./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.01.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_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.01.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/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 05602efd0716c9bc46b30aae12cb2e2448644d24 ................................................................................................................................................................................................................................................................................................................................................. 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 10:17:10,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:17:10,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:17:10,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:17:10,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:17:10,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:17:10,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:17:10,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:17:10,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:17:10,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:17:10,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:17:10,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:17:10,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:17:10,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:17:10,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:17:10,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:17:10,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:17:10,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:17:10,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:17:10,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:17:10,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:17:10,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:17:10,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:17:10,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:17:10,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:17:10,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:17:10,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:17:10,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:17:10,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:17:10,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:17:10,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:17:10,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:17:10,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:17:10,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:17:10,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:17:10,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:17:10,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:17:10,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:17:10,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:17:10,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:17:10,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:17:10,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-20 10:17:10,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:17:10,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:17:10,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:17:10,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:17:10,647 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:17:10,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:17:10,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:17:10,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:17:10,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:17:10,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:17:10,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:17:10,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:17:10,649 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 10:17:10,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:17:10,649 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:17:10,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:17:10,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:17:10,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:17:10,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:17:10,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:17:10,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:17:10,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:17:10,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:17:10,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:17:10,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:17:10,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:17:10,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:17:10,652 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_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/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 -> 05602efd0716c9bc46b30aae12cb2e2448644d24 [2019-11-20 10:17:10,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:17:10,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:17:10,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:17:10,803 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:17:10,804 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:17:10,804 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.01.c [2019-11-20 10:17:10,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/bin/uautomizer/data/c237073c9/4b90707dcd734bedbcfe41b4475478cd/FLAG5fa80f26b [2019-11-20 10:17:11,280 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:17:11,281 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.01.c [2019-11-20 10:17:11,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/bin/uautomizer/data/c237073c9/4b90707dcd734bedbcfe41b4475478cd/FLAG5fa80f26b [2019-11-20 10:17:11,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/bin/uautomizer/data/c237073c9/4b90707dcd734bedbcfe41b4475478cd [2019-11-20 10:17:11,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:17:11,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:17:11,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:17:11,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:17:11,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:17:11,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:17:11" (1/1) ... [2019-11-20 10:17:11,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca737a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11, skipping insertion in model container [2019-11-20 10:17:11,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:17:11" (1/1) ... [2019-11-20 10:17:11,331 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:17:11,349 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:17:11,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:17:11,515 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:17:11,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:17:11,606 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:17:11,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11 WrapperNode [2019-11-20 10:17:11,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:17:11,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:17:11,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:17:11,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:17:11,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11" (1/1) ... [2019-11-20 10:17:11,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11" (1/1) ... [2019-11-20 10:17:11,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:17:11,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:17:11,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:17:11,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:17:11,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11" (1/1) ... [2019-11-20 10:17:11,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11" (1/1) ... [2019-11-20 10:17:11,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11" (1/1) ... [2019-11-20 10:17:11,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11" (1/1) ... [2019-11-20 10:17:11,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11" (1/1) ... [2019-11-20 10:17:11,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11" (1/1) ... [2019-11-20 10:17:11,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11" (1/1) ... [2019-11-20 10:17:11,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:17:11,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:17:11,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:17:11,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:17:11,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/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 10:17:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:17:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:17:11,840 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:17:11,841 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 10:17:11,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:17:11 BoogieIcfgContainer [2019-11-20 10:17:11,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:17:11,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:17:11,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:17:11,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:17:11,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:17:11" (1/3) ... [2019-11-20 10:17:11,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af70f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:17:11, skipping insertion in model container [2019-11-20 10:17:11,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:17:11" (2/3) ... [2019-11-20 10:17:11,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af70f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:17:11, skipping insertion in model container [2019-11-20 10:17:11,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:17:11" (3/3) ... [2019-11-20 10:17:11,848 INFO L109 eAbstractionObserver]: Analyzing ICFG ChenFlurMukhopadhyay-SAS2012-Ex3.01.c [2019-11-20 10:17:11,855 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:17:11,860 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-20 10:17:11,870 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-20 10:17:11,888 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:17:11,888 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:17:11,888 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:17:11,889 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:17:11,889 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:17:11,889 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:17:11,889 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:17:11,889 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:17:11,900 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-20 10:17:11,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 10:17:11,905 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:17:11,905 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 10:17:11,906 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:17:11,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:17:11,911 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-11-20 10:17:11,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:17:11,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506304734] [2019-11-20 10:17:11,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:17:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:12,051 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 10:17:12,051 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506304734] [2019-11-20 10:17:12,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:17:12,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:17:12,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944436767] [2019-11-20 10:17:12,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:17:12,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:17:12,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:17:12,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:17:12,078 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 4 states. [2019-11-20 10:17:12,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:17:12,157 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-11-20 10:17:12,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:17:12,159 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-11-20 10:17:12,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:17:12,166 INFO L225 Difference]: With dead ends: 23 [2019-11-20 10:17:12,166 INFO L226 Difference]: Without dead ends: 10 [2019-11-20 10:17:12,169 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:17:12,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-20 10:17:12,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. [2019-11-20 10:17:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 10:17:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-11-20 10:17:12,193 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 3 [2019-11-20 10:17:12,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:17:12,194 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-11-20 10:17:12,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:17:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-11-20 10:17:12,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 10:17:12,194 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:17:12,194 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 10:17:12,195 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:17:12,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:17:12,195 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2019-11-20 10:17:12,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:17:12,196 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889855883] [2019-11-20 10:17:12,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:17:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:12,224 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 10:17:12,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889855883] [2019-11-20 10:17:12,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:17:12,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 10:17:12,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149538055] [2019-11-20 10:17:12,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:17:12,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:17:12,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:17:12,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:17:12,227 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 3 states. [2019-11-20 10:17:12,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:17:12,250 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-11-20 10:17:12,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:17:12,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-20 10:17:12,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:17:12,252 INFO L225 Difference]: With dead ends: 8 [2019-11-20 10:17:12,252 INFO L226 Difference]: Without dead ends: 7 [2019-11-20 10:17:12,253 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 10:17:12,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-11-20 10:17:12,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-20 10:17:12,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 10:17:12,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-20 10:17:12,255 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-11-20 10:17:12,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:17:12,256 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-11-20 10:17:12,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:17:12,256 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-20 10:17:12,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 10:17:12,256 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:17:12,256 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-11-20 10:17:12,257 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:17:12,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:17:12,257 INFO L82 PathProgramCache]: Analyzing trace with hash 925739309, now seen corresponding path program 1 times [2019-11-20 10:17:12,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:17:12,258 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254318374] [2019-11-20 10:17:12,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:17:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:12,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:17:12,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254318374] [2019-11-20 10:17:12,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916401146] [2019-11-20 10:17:12,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/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 10:17:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:17:12,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 10:17:12,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:17:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:17:12,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:17:12,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-20 10:17:12,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104200575] [2019-11-20 10:17:12,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:17:12,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:17:12,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:17:12,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:17:12,369 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 5 states. [2019-11-20 10:17:12,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:17:12,401 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-11-20 10:17:12,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:17:12,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-11-20 10:17:12,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:17:12,402 INFO L225 Difference]: With dead ends: 7 [2019-11-20 10:17:12,402 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:17:12,403 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 10:17:12,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:17:12,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:17:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:17:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:17:12,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-11-20 10:17:12,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:17:12,404 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:17:12,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:17:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:17:12,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:17:12,605 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:17:12,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:17:12,628 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2019-11-20 10:17:12,628 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:17:12,629 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2019-11-20 10:17:12,629 INFO L447 ceAbstractionStarter]: At program point L31(lines 22 32) the Hoare annotation is: true [2019-11-20 10:17:12,629 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:17:12,629 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:17:12,629 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-20 10:17:12,629 INFO L444 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2019-11-20 10:17:12,630 INFO L440 ceAbstractionStarter]: At program point L27-2(lines 27 30) the Hoare annotation is: (and (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)) (<= ULTIMATE.start_main_~z~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2019-11-20 10:17:12,630 INFO L444 ceAbstractionStarter]: For program point L27-3(lines 27 30) no Hoare annotation was computed. [2019-11-20 10:17:12,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:17:12 BoogieIcfgContainer [2019-11-20 10:17:12,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:17:12,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:17:12,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:17:12,644 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:17:12,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:17:11" (3/4) ... [2019-11-20 10:17:12,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:17:12,659 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 10:17:12,660 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:17:12,694 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c5bfa7a3-7a58-4033-a8b6-378710b5ef63/bin/uautomizer/witness.graphml [2019-11-20 10:17:12,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:17:12,696 INFO L168 Benchmark]: Toolchain (without parser) took 1387.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.8 MB in the beginning and 1.0 GB in the end (delta: -99.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:12,697 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:17:12,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:12,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:17:12,698 INFO L168 Benchmark]: Boogie Preprocessor took 17.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:17:12,699 INFO L168 Benchmark]: RCFGBuilder took 179.64 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:12,699 INFO L168 Benchmark]: TraceAbstraction took 801.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:17:12,700 INFO L168 Benchmark]: Witness Printer took 50.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:17:12,702 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 179.64 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 801.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. * Witness Printer took 50.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: 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: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (0 <= x + 2147483648 && z <= 2147483647) && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 2 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 14 SDslu, 8 SDs, 0 SdLazy, 23 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 13 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 2 NumberOfNonLiveVariables, 23 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/4 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...