./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/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 1b43ce72b37c8e17b4dbab62d6d09279867a7da3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:26:36,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:26:36,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:26:36,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:26:36,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:26:36,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:26:36,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:26:36,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:26:36,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:26:36,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:26:36,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:26:36,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:26:36,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:26:36,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:26:36,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:26:36,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:26:36,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:26:36,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:26:36,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:26:36,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:26:36,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:26:36,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:26:36,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:26:36,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:26:36,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:26:36,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:26:36,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:26:36,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:26:36,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:26:36,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:26:36,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:26:36,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:26:36,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:26:36,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:26:36,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:26:36,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:26:36,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:26:36,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:26:36,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:26:36,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:26:36,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:26:36,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-15 21:26:36,895 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:26:36,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:26:36,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:26:36,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:26:36,897 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:26:36,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:26:36,897 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:26:36,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:26:36,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:26:36,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:26:36,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:26:36,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:26:36,899 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-15 21:26:36,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:26:36,899 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:26:36,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:26:36,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:26:36,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:26:36,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:26:36,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:26:36,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:26:36,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:26:36,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:26:36,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:26:36,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:26:36,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:26:36,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:26:36,902 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_a82224a7-dca7-4406-b397-9dc095c3ff74/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 -> 1b43ce72b37c8e17b4dbab62d6d09279867a7da3 [2019-11-15 21:26:36,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:26:36,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:26:36,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:26:36,945 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:26:36,945 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:26:36,946 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c [2019-11-15 21:26:37,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/bin/uautomizer/data/47ea82fdb/2524eb13d5e94bceb8ba0965ca8266d3/FLAG68c6061dc [2019-11-15 21:26:37,393 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:26:37,393 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c [2019-11-15 21:26:37,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/bin/uautomizer/data/47ea82fdb/2524eb13d5e94bceb8ba0965ca8266d3/FLAG68c6061dc [2019-11-15 21:26:37,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/bin/uautomizer/data/47ea82fdb/2524eb13d5e94bceb8ba0965ca8266d3 [2019-11-15 21:26:37,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:26:37,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:26:37,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:26:37,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:26:37,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:26:37,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:26:37" (1/1) ... [2019-11-15 21:26:37,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff8676e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:37, skipping insertion in model container [2019-11-15 21:26:37,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:26:37" (1/1) ... [2019-11-15 21:26:37,829 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:26:37,842 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:26:37,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:26:37,973 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:26:38,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:26:38,055 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:26:38,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38 WrapperNode [2019-11-15 21:26:38,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:26:38,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:26:38,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:26:38,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:26:38,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38" (1/1) ... [2019-11-15 21:26:38,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38" (1/1) ... [2019-11-15 21:26:38,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:26:38,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:26:38,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:26:38,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:26:38,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38" (1/1) ... [2019-11-15 21:26:38,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38" (1/1) ... [2019-11-15 21:26:38,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38" (1/1) ... [2019-11-15 21:26:38,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38" (1/1) ... [2019-11-15 21:26:38,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38" (1/1) ... [2019-11-15 21:26:38,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38" (1/1) ... [2019-11-15 21:26:38,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38" (1/1) ... [2019-11-15 21:26:38,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:26:38,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:26:38,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:26:38,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:26:38,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/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 [2019-11-15 21:26:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:26:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:26:38,451 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:26:38,451 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 21:26:38,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:26:38 BoogieIcfgContainer [2019-11-15 21:26:38,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:26:38,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:26:38,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:26:38,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:26:38,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:26:37" (1/3) ... [2019-11-15 21:26:38,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cbbf2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:26:38, skipping insertion in model container [2019-11-15 21:26:38,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:38" (2/3) ... [2019-11-15 21:26:38,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cbbf2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:26:38, skipping insertion in model container [2019-11-15 21:26:38,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:26:38" (3/3) ... [2019-11-15 21:26:38,459 INFO L109 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-loops.c [2019-11-15 21:26:38,467 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:26:38,473 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-15 21:26:38,482 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-15 21:26:38,510 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:26:38,513 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:26:38,513 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:26:38,514 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:26:38,514 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:26:38,514 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:26:38,514 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:26:38,514 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:26:38,530 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-11-15 21:26:38,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-15 21:26:38,535 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:38,536 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-15 21:26:38,538 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 21:26:38,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:38,546 INFO L82 PathProgramCache]: Analyzing trace with hash 29685419, now seen corresponding path program 1 times [2019-11-15 21:26:38,553 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:38,553 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114706334] [2019-11-15 21:26:38,554 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:38,554 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:38,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:38,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:26:38,665 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114706334] [2019-11-15 21:26:38,665 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:38,666 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 21:26:38,667 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688141648] [2019-11-15 21:26:38,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:26:38,671 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:38,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:26:38,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:26:38,683 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2019-11-15 21:26:38,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:38,747 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2019-11-15 21:26:38,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:26:38,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-15 21:26:38,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:38,754 INFO L225 Difference]: With dead ends: 35 [2019-11-15 21:26:38,754 INFO L226 Difference]: Without dead ends: 12 [2019-11-15 21:26:38,756 INFO L600 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 [2019-11-15 21:26:38,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-15 21:26:38,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-15 21:26:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-15 21:26:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-11-15 21:26:38,782 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 5 [2019-11-15 21:26:38,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:38,783 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-11-15 21:26:38,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:26:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-15 21:26:38,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-15 21:26:38,783 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:38,784 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-15 21:26:38,784 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 21:26:38,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:38,784 INFO L82 PathProgramCache]: Analyzing trace with hash 920230376, now seen corresponding path program 1 times [2019-11-15 21:26:38,785 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:38,785 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888535410] [2019-11-15 21:26:38,785 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:38,785 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:38,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:38,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:26:38,805 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888535410] [2019-11-15 21:26:38,806 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:38,806 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 21:26:38,806 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387116505] [2019-11-15 21:26:38,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:26:38,807 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:38,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:26:38,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:26:38,808 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 3 states. [2019-11-15 21:26:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:38,837 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2019-11-15 21:26:38,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:26:38,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-15 21:26:38,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:38,839 INFO L225 Difference]: With dead ends: 20 [2019-11-15 21:26:38,839 INFO L226 Difference]: Without dead ends: 19 [2019-11-15 21:26:38,839 INFO L600 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 [2019-11-15 21:26:38,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-15 21:26:38,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 14. [2019-11-15 21:26:38,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-15 21:26:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2019-11-15 21:26:38,843 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 6 [2019-11-15 21:26:38,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:38,843 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-11-15 21:26:38,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:26:38,844 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-11-15 21:26:38,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-15 21:26:38,844 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:38,844 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-15 21:26:38,845 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 21:26:38,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:38,845 INFO L82 PathProgramCache]: Analyzing trace with hash 920248058, now seen corresponding path program 1 times [2019-11-15 21:26:38,845 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:38,845 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11825609] [2019-11-15 21:26:38,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:38,846 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:38,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:38,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:26:38,866 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11825609] [2019-11-15 21:26:38,866 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:38,866 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 21:26:38,867 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947382262] [2019-11-15 21:26:38,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:26:38,867 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:38,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:26:38,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:26:38,868 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand 3 states. [2019-11-15 21:26:38,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:38,904 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-11-15 21:26:38,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:26:38,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-15 21:26:38,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:38,906 INFO L225 Difference]: With dead ends: 15 [2019-11-15 21:26:38,906 INFO L226 Difference]: Without dead ends: 14 [2019-11-15 21:26:38,906 INFO L600 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 [2019-11-15 21:26:38,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-15 21:26:38,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-11-15 21:26:38,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-15 21:26:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-15 21:26:38,909 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 6 [2019-11-15 21:26:38,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:38,909 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-15 21:26:38,909 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:26:38,909 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-11-15 21:26:38,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-15 21:26:38,909 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:38,910 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:26:38,910 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 21:26:38,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:38,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1537629357, now seen corresponding path program 1 times [2019-11-15 21:26:38,910 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:38,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711679395] [2019-11-15 21:26:38,911 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:38,911 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:38,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:38,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:26:38,931 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711679395] [2019-11-15 21:26:38,932 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:38,932 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 21:26:38,932 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000131773] [2019-11-15 21:26:38,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:26:38,933 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:38,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:26:38,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:26:38,933 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 3 states. [2019-11-15 21:26:38,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:38,957 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2019-11-15 21:26:38,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:26:38,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-15 21:26:38,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:38,958 INFO L225 Difference]: With dead ends: 14 [2019-11-15 21:26:38,958 INFO L226 Difference]: Without dead ends: 13 [2019-11-15 21:26:38,958 INFO L600 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 [2019-11-15 21:26:38,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-15 21:26:38,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-11-15 21:26:38,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-15 21:26:38,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-15 21:26:38,962 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 7 [2019-11-15 21:26:38,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:38,962 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-15 21:26:38,962 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:26:38,962 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-15 21:26:38,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 21:26:38,963 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:38,963 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:26:38,963 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 21:26:38,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:38,963 INFO L82 PathProgramCache]: Analyzing trace with hash -193060491, now seen corresponding path program 1 times [2019-11-15 21:26:38,963 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:38,964 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607238377] [2019-11-15 21:26:38,964 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:38,964 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:38,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:26:39,024 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607238377] [2019-11-15 21:26:39,025 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603107862] [2019-11-15 21:26:39,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/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 [2019-11-15 21:26:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:39,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 21:26:39,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:26:39,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:26:39,086 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:26:39,086 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-15 21:26:39,086 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208684248] [2019-11-15 21:26:39,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:26:39,086 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:39,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:26:39,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:26:39,087 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. Second operand 4 states. [2019-11-15 21:26:39,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:39,126 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2019-11-15 21:26:39,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:26:39,128 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-15 21:26:39,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:39,128 INFO L225 Difference]: With dead ends: 23 [2019-11-15 21:26:39,128 INFO L226 Difference]: Without dead ends: 22 [2019-11-15 21:26:39,129 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:26:39,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-15 21:26:39,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2019-11-15 21:26:39,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-15 21:26:39,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2019-11-15 21:26:39,133 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 9 [2019-11-15 21:26:39,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:39,133 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-15 21:26:39,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:26:39,133 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2019-11-15 21:26:39,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-15 21:26:39,134 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:39,134 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1] [2019-11-15 21:26:39,336 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:26:39,337 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-15 21:26:39,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:39,337 INFO L82 PathProgramCache]: Analyzing trace with hash -503819576, now seen corresponding path program 2 times [2019-11-15 21:26:39,337 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:39,338 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67682815] [2019-11-15 21:26:39,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:39,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:39,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:39,383 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-15 21:26:39,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67682815] [2019-11-15 21:26:39,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313068414] [2019-11-15 21:26:39,384 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:26:39,416 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-15 21:26:39,416 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:26:39,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 21:26:39,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:26:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-15 21:26:39,421 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:26:39,422 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-15 21:26:39,422 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528367367] [2019-11-15 21:26:39,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:26:39,422 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:39,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:26:39,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:26:39,423 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. Second operand 4 states. [2019-11-15 21:26:39,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:39,481 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2019-11-15 21:26:39,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:26:39,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-15 21:26:39,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:39,482 INFO L225 Difference]: With dead ends: 18 [2019-11-15 21:26:39,482 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 21:26:39,482 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 21:26:39,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 21:26:39,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 21:26:39,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 21:26:39,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:26:39,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-15 21:26:39,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:39,483 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:26:39,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:26:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:26:39,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 21:26:39,684 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:26:39,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 21:26:39,732 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 21:26:39,733 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-11-15 21:26:39,733 INFO L446 ceAbstractionStarter]: At program point L29(lines 13 30) the Hoare annotation is: true [2019-11-15 21:26:39,733 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2019-11-15 21:26:39,733 INFO L443 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-11-15 21:26:39,733 INFO L443 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-11-15 21:26:39,733 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2019-11-15 21:26:39,733 INFO L443 ceAbstractionStarter]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2019-11-15 21:26:39,733 INFO L439 ceAbstractionStarter]: At program point L19-2(lines 19 27) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 1073741823) [2019-11-15 21:26:39,733 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 21:26:39,733 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 21:26:39,734 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-11-15 21:26:39,734 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2019-11-15 21:26:39,734 INFO L443 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2019-11-15 21:26:39,734 INFO L439 ceAbstractionStarter]: At program point L22-2(lines 22 24) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (<= ULTIMATE.start_main_~x~0 1073741823) (<= 0 ULTIMATE.start_main_~x~0)) [2019-11-15 21:26:39,734 INFO L443 ceAbstractionStarter]: For program point L18(lines 18 28) no Hoare annotation was computed. [2019-11-15 21:26:39,734 INFO L443 ceAbstractionStarter]: For program point L18-1(lines 18 28) no Hoare annotation was computed. [2019-11-15 21:26:39,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:26:39 BoogieIcfgContainer [2019-11-15 21:26:39,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:26:39,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:26:39,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:26:39,745 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:26:39,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:26:38" (3/4) ... [2019-11-15 21:26:39,749 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 21:26:39,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 21:26:39,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 21:26:39,797 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a82224a7-dca7-4406-b397-9dc095c3ff74/bin/uautomizer/witness.graphml [2019-11-15 21:26:39,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:26:39,800 INFO L168 Benchmark]: Toolchain (without parser) took 1984.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -97.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:26:39,800 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:26:39,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:26:39,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.20 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. [2019-11-15 21:26:39,802 INFO L168 Benchmark]: Boogie Preprocessor took 13.62 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:26:39,802 INFO L168 Benchmark]: RCFGBuilder took 351.14 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:26:39,803 INFO L168 Benchmark]: TraceAbstraction took 1291.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.9 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:26:39,803 INFO L168 Benchmark]: Witness Printer took 52.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:26:39,806 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.20 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. * Boogie Preprocessor took 13.62 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 351.14 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1291.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.9 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. * Witness Printer took 52.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x <= 1073741823 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (1 <= y && x <= 1073741823) && 0 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 4 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 52 SDslu, 15 SDs, 0 SdLazy, 75 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 10 NumberOfFragments, 14 HoareAnnotationTreeSize, 3 FomulaSimplifications, 391 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 66 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246 SizeOfPredicates, 1 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 10/18 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...