./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/gcd_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_2cac8d29-9345-4a5d-acbf-6f4451b84f80/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/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 32bit --witnessprinter.graph.data.programhash ca12b384c8180063e3f1c5738f7063e9219b0df5 ................................................................................................................................................................................................................................................................................................................................................................................................ 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 04:56:43,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:56:43,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:56:43,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:56:43,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:56:43,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:56:43,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:56:43,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:56:43,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:56:43,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:56:43,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:56:43,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:56:43,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:56:43,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:56:43,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:56:43,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:56:43,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:56:43,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:56:43,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:56:43,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:56:43,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:56:43,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:56:43,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:56:43,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:56:43,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:56:43,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:56:43,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:56:43,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:56:43,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:56:43,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:56:43,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:56:43,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:56:43,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:56:43,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:56:43,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:56:43,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:56:43,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:56:43,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:56:43,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:56:43,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:56:43,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:56:43,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-20 04:56:43,214 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:56:43,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:56:43,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:56:43,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:56:43,215 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:56:43,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:56:43,216 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:56:43,216 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 04:56:43,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:56:43,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:56:43,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:56:43,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:56:43,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:56:43,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:56:43,217 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 04:56:43,217 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:56:43,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:56:43,217 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:56:43,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:56:43,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:56:43,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:56:43,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:56:43,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:56:43,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:56:43,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:56:43,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:56:43,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:56:43,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:56:43,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:56:43,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:56:43,220 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_2cac8d29-9345-4a5d-acbf-6f4451b84f80/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca12b384c8180063e3f1c5738f7063e9219b0df5 [2019-11-20 04:56:43,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:56:43,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:56:43,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:56:43,370 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:56:43,370 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:56:43,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/bin/uautomizer/../../sv-benchmarks/c/bitvector/gcd_2.c [2019-11-20 04:56:43,423 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/bin/uautomizer/data/fb077e505/8e38e2df97e4463db8123d3c0912a0d1/FLAG6c9c2212a [2019-11-20 04:56:43,768 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:56:43,768 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/sv-benchmarks/c/bitvector/gcd_2.c [2019-11-20 04:56:43,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/bin/uautomizer/data/fb077e505/8e38e2df97e4463db8123d3c0912a0d1/FLAG6c9c2212a [2019-11-20 04:56:44,160 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/bin/uautomizer/data/fb077e505/8e38e2df97e4463db8123d3c0912a0d1 [2019-11-20 04:56:44,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:56:44,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:56:44,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:56:44,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:56:44,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:56:44,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:56:44" (1/1) ... [2019-11-20 04:56:44,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f15a616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44, skipping insertion in model container [2019-11-20 04:56:44,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:56:44" (1/1) ... [2019-11-20 04:56:44,178 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:56:44,193 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:56:44,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:56:44,351 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:56:44,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:56:44,440 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:56:44,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44 WrapperNode [2019-11-20 04:56:44,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:56:44,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:56:44,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:56:44,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:56:44,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44" (1/1) ... [2019-11-20 04:56:44,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44" (1/1) ... [2019-11-20 04:56:44,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:56:44,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:56:44,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:56:44,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:56:44,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44" (1/1) ... [2019-11-20 04:56:44,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44" (1/1) ... [2019-11-20 04:56:44,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44" (1/1) ... [2019-11-20 04:56:44,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44" (1/1) ... [2019-11-20 04:56:44,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44" (1/1) ... [2019-11-20 04:56:44,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44" (1/1) ... [2019-11-20 04:56:44,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44" (1/1) ... [2019-11-20 04:56:44,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:56:44,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:56:44,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:56:44,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:56:44,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/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 04:56:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:56:44,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:56:44,743 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:56:44,743 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 04:56:44,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:44 BoogieIcfgContainer [2019-11-20 04:56:44,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:56:44,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:56:44,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:56:44,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:56:44,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:56:44" (1/3) ... [2019-11-20 04:56:44,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c81e2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:56:44, skipping insertion in model container [2019-11-20 04:56:44,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:44" (2/3) ... [2019-11-20 04:56:44,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c81e2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:56:44, skipping insertion in model container [2019-11-20 04:56:44,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:44" (3/3) ... [2019-11-20 04:56:44,750 INFO L109 eAbstractionObserver]: Analyzing ICFG gcd_2.c [2019-11-20 04:56:44,757 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:56:44,761 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-20 04:56:44,769 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-20 04:56:44,788 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:56:44,789 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:56:44,789 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:56:44,789 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:56:44,789 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:56:44,789 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:56:44,789 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:56:44,790 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:56:44,801 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-11-20 04:56:44,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 04:56:44,805 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:56:44,806 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 04:56:44,806 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 04:56:44,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:56:44,812 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-20 04:56:44,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:56:44,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319813874] [2019-11-20 04:56:44,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:56:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:56:44,935 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 04:56:44,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319813874] [2019-11-20 04:56:44,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:56:44,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 04:56:44,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653910154] [2019-11-20 04:56:44,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:56:44,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:56:44,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:56:44,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:56:44,953 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-11-20 04:56:45,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:56:45,002 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2019-11-20 04:56:45,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:56:45,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-11-20 04:56:45,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:56:45,014 INFO L225 Difference]: With dead ends: 40 [2019-11-20 04:56:45,014 INFO L226 Difference]: Without dead ends: 10 [2019-11-20 04:56:45,017 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 04:56:45,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-20 04:56:45,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-20 04:56:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-20 04:56:45,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-11-20 04:56:45,074 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 3 [2019-11-20 04:56:45,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:56:45,074 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-11-20 04:56:45,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:56:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-11-20 04:56:45,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 04:56:45,090 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:56:45,090 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 04:56:45,090 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 04:56:45,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:56:45,091 INFO L82 PathProgramCache]: Analyzing trace with hash 957349, now seen corresponding path program 1 times [2019-11-20 04:56:45,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:56:45,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565210627] [2019-11-20 04:56:45,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:56:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:56:45,110 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 04:56:45,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565210627] [2019-11-20 04:56:45,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:56:45,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:56:45,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74417254] [2019-11-20 04:56:45,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:56:45,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:56:45,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:56:45,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:56:45,113 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 3 states. [2019-11-20 04:56:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:56:45,123 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-11-20 04:56:45,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:56:45,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-20 04:56:45,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:56:45,125 INFO L225 Difference]: With dead ends: 10 [2019-11-20 04:56:45,125 INFO L226 Difference]: Without dead ends: 9 [2019-11-20 04:56:45,126 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:56:45,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-20 04:56:45,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-20 04:56:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 04:56:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-20 04:56:45,128 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 4 [2019-11-20 04:56:45,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:56:45,129 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-20 04:56:45,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:56:45,129 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-20 04:56:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 04:56:45,130 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:56:45,130 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 04:56:45,130 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 04:56:45,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:56:45,131 INFO L82 PathProgramCache]: Analyzing trace with hash 963371, now seen corresponding path program 1 times [2019-11-20 04:56:45,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:56:45,131 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523760486] [2019-11-20 04:56:45,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:56:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:56:45,168 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 04:56:45,168 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523760486] [2019-11-20 04:56:45,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:56:45,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 04:56:45,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618770322] [2019-11-20 04:56:45,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:56:45,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:56:45,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:56:45,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:56:45,170 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 3 states. [2019-11-20 04:56:45,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:56:45,187 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2019-11-20 04:56:45,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:56:45,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-20 04:56:45,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:56:45,188 INFO L225 Difference]: With dead ends: 9 [2019-11-20 04:56:45,189 INFO L226 Difference]: Without dead ends: 8 [2019-11-20 04:56:45,189 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 04:56:45,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-11-20 04:56:45,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-20 04:56:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 04:56:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-11-20 04:56:45,190 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2019-11-20 04:56:45,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:56:45,191 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-11-20 04:56:45,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:56:45,191 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-11-20 04:56:45,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 04:56:45,191 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:56:45,191 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 04:56:45,191 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 04:56:45,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:56:45,192 INFO L82 PathProgramCache]: Analyzing trace with hash 29864549, now seen corresponding path program 1 times [2019-11-20 04:56:45,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:56:45,192 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025751531] [2019-11-20 04:56:45,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:56:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:56:45,215 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 04:56:45,215 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025751531] [2019-11-20 04:56:45,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:56:45,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:56:45,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247422746] [2019-11-20 04:56:45,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:56:45,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:56:45,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:56:45,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:56:45,217 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 3 states. [2019-11-20 04:56:45,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:56:45,222 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-11-20 04:56:45,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:56:45,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-20 04:56:45,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:56:45,223 INFO L225 Difference]: With dead ends: 8 [2019-11-20 04:56:45,223 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 04:56:45,223 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:56:45,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 04:56:45,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 04:56:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 04:56:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 04:56:45,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-20 04:56:45,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:56:45,224 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:56:45,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:56:45,225 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:56:45,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:56:45,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 04:56:45,241 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2019-11-20 04:56:45,241 INFO L444 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-11-20 04:56:45,241 INFO L444 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2019-11-20 04:56:45,241 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2019-11-20 04:56:45,241 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 04:56:45,241 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 04:56:45,242 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2019-11-20 04:56:45,242 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 04:56:45,242 INFO L444 ceAbstractionStarter]: For program point L17-1(lines 11 23) no Hoare annotation was computed. [2019-11-20 04:56:45,242 INFO L444 ceAbstractionStarter]: For program point L17-2(lines 17 21) no Hoare annotation was computed. [2019-11-20 04:56:45,242 INFO L447 ceAbstractionStarter]: At program point L38(lines 26 39) the Hoare annotation is: true [2019-11-20 04:56:45,242 INFO L444 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-11-20 04:56:45,242 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2019-11-20 04:56:45,243 INFO L447 ceAbstractionStarter]: At program point L34-1(lines 34 36) the Hoare annotation is: true [2019-11-20 04:56:45,243 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2019-11-20 04:56:45,243 INFO L447 ceAbstractionStarter]: At program point L22(lines 10 23) the Hoare annotation is: true [2019-11-20 04:56:45,243 INFO L444 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2019-11-20 04:56:45,243 INFO L444 ceAbstractionStarter]: For program point L14-1(line 14) no Hoare annotation was computed. [2019-11-20 04:56:45,243 INFO L444 ceAbstractionStarter]: For program point L14-2(line 14) no Hoare annotation was computed. [2019-11-20 04:56:45,243 INFO L444 ceAbstractionStarter]: For program point L14-4(lines 11 23) no Hoare annotation was computed. [2019-11-20 04:56:45,244 INFO L444 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-20 04:56:45,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:56:45 BoogieIcfgContainer [2019-11-20 04:56:45,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 04:56:45,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:56:45,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:56:45,251 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:56:45,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:44" (3/4) ... [2019-11-20 04:56:45,255 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:56:45,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 04:56:45,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 04:56:45,304 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2cac8d29-9345-4a5d-acbf-6f4451b84f80/bin/uautomizer/witness.graphml [2019-11-20 04:56:45,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:56:45,306 INFO L168 Benchmark]: Toolchain (without parser) took 1142.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -108.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:56:45,307 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:56:45,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:56:45,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.15 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 04:56:45,308 INFO L168 Benchmark]: Boogie Preprocessor took 22.98 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:56:45,309 INFO L168 Benchmark]: RCFGBuilder took 252.30 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 04:56:45,310 INFO L168 Benchmark]: TraceAbstraction took 505.68 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: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:56:45,310 INFO L168 Benchmark]: Witness Printer took 53.38 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 04:56:45,313 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.15 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 22.98 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 252.30 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 505.68 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: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Witness Printer took 53.38 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 4 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 24 SDslu, 17 SDs, 0 SdLazy, 19 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 9 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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...