./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_f4358f48-6f75-4b6d-8574-d5850c6e2055/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 950698bc17a751834ff482c414f89d89b98af415 ............................................................................................................................................................................................................................................................................................................................................ 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 04:37:41,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:37:41,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:37:41,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:37:41,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:37:41,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:37:41,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:37:41,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:37:41,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:37:41,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:37:41,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:37:41,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:37:41,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:37:41,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:37:41,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:37:41,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:37:41,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:37:41,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:37:41,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:37:41,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:37:41,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:37:41,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:37:41,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:37:41,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:37:41,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:37:41,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:37:41,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:37:41,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:37:41,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:37:41,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:37:41,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:37:41,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:37:41,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:37:41,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:37:41,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:37:41,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:37:41,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:37:41,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:37:41,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:37:41,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:37:41,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:37:41,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 04:37:41,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:37:41,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:37:41,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:37:41,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:37:41,251 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:37:41,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:37:41,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:37:41,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:37:41,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:37:41,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:37:41,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:37:41,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:37:41,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:37:41,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:37:41,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:37:41,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:37:41,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:37:41,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:37:41,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:37:41,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:37:41,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:37:41,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:37:41,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:37:41,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:37:41,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:37:41,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:37:41,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:37:41,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:37:41,260 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_f4358f48-6f75-4b6d-8574-d5850c6e2055/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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 950698bc17a751834ff482c414f89d89b98af415 [2019-11-20 04:37:41,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:37:41,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:37:41,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:37:41,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:37:41,425 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:37:41,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/bin/uautomizer/../../sv-benchmarks/c/loop-industry-pattern/mod3.c [2019-11-20 04:37:41,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/bin/uautomizer/data/226760154/31ef3b4205c84fc385677c4b1171e972/FLAGc07701ef3 [2019-11-20 04:37:41,861 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:37:41,862 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/sv-benchmarks/c/loop-industry-pattern/mod3.c [2019-11-20 04:37:41,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/bin/uautomizer/data/226760154/31ef3b4205c84fc385677c4b1171e972/FLAGc07701ef3 [2019-11-20 04:37:42,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/bin/uautomizer/data/226760154/31ef3b4205c84fc385677c4b1171e972 [2019-11-20 04:37:42,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:37:42,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:37:42,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:37:42,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:37:42,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:37:42,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:37:42" (1/1) ... [2019-11-20 04:37:42,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0b7031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42, skipping insertion in model container [2019-11-20 04:37:42,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:37:42" (1/1) ... [2019-11-20 04:37:42,284 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:37:42,297 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:37:42,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:37:42,439 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:37:42,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:37:42,539 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:37:42,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42 WrapperNode [2019-11-20 04:37:42,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:37:42,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:37:42,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:37:42,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:37:42,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42" (1/1) ... [2019-11-20 04:37:42,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42" (1/1) ... [2019-11-20 04:37:42,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:37:42,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:37:42,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:37:42,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:37:42,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42" (1/1) ... [2019-11-20 04:37:42,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42" (1/1) ... [2019-11-20 04:37:42,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42" (1/1) ... [2019-11-20 04:37:42,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42" (1/1) ... [2019-11-20 04:37:42,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42" (1/1) ... [2019-11-20 04:37:42,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42" (1/1) ... [2019-11-20 04:37:42,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42" (1/1) ... [2019-11-20 04:37:42,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:37:42,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:37:42,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:37:42,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:37:42,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/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 04:37:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:37:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:37:42,877 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:37:42,878 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 04:37:42,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:37:42 BoogieIcfgContainer [2019-11-20 04:37:42,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:37:42,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:37:42,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:37:42,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:37:42,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:37:42" (1/3) ... [2019-11-20 04:37:42,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e70f34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:37:42, skipping insertion in model container [2019-11-20 04:37:42,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:42" (2/3) ... [2019-11-20 04:37:42,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e70f34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:37:42, skipping insertion in model container [2019-11-20 04:37:42,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:37:42" (3/3) ... [2019-11-20 04:37:42,895 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c [2019-11-20 04:37:42,905 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:37:42,914 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 04:37:42,926 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 04:37:42,952 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:37:42,952 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:37:42,953 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:37:42,953 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:37:42,953 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:37:42,953 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:37:42,953 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:37:42,954 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:37:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-20 04:37:42,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 04:37:42,973 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:37:42,974 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 04:37:42,975 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:37:42,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:37:42,986 INFO L82 PathProgramCache]: Analyzing trace with hash 30449478, now seen corresponding path program 1 times [2019-11-20 04:37:42,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:37:42,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645052811] [2019-11-20 04:37:42,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:37:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:37:43,090 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 04:37:43,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645052811] [2019-11-20 04:37:43,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:37:43,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:37:43,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772022032] [2019-11-20 04:37:43,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 04:37:43,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:37:43,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 04:37:43,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 04:37:43,110 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-20 04:37:43,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:37:43,123 INFO L93 Difference]: Finished difference Result 22 states and 29 transitions. [2019-11-20 04:37:43,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 04:37:43,125 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-11-20 04:37:43,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:37:43,135 INFO L225 Difference]: With dead ends: 22 [2019-11-20 04:37:43,135 INFO L226 Difference]: Without dead ends: 10 [2019-11-20 04:37:43,138 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 04:37:43,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-20 04:37:43,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-20 04:37:43,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-20 04:37:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-11-20 04:37:43,168 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 13 transitions. Word has length 5 [2019-11-20 04:37:43,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:37:43,169 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-20 04:37:43,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 04:37:43,169 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-11-20 04:37:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 04:37:43,169 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:37:43,169 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 04:37:43,170 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:37:43,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:37:43,170 INFO L82 PathProgramCache]: Analyzing trace with hash 921974944, now seen corresponding path program 1 times [2019-11-20 04:37:43,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:37:43,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314632342] [2019-11-20 04:37:43,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:37:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:37:43,276 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 04:37:43,276 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314632342] [2019-11-20 04:37:43,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:37:43,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:37:43,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219694409] [2019-11-20 04:37:43,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:37:43,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:37:43,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:37:43,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:37:43,283 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. Second operand 3 states. [2019-11-20 04:37:43,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:37:43,313 INFO L93 Difference]: Finished difference Result 19 states and 25 transitions. [2019-11-20 04:37:43,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:37:43,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-20 04:37:43,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:37:43,314 INFO L225 Difference]: With dead ends: 19 [2019-11-20 04:37:43,314 INFO L226 Difference]: Without dead ends: 15 [2019-11-20 04:37:43,315 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 04:37:43,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-20 04:37:43,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2019-11-20 04:37:43,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-20 04:37:43,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-20 04:37:43,319 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 6 [2019-11-20 04:37:43,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:37:43,319 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-20 04:37:43,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:37:43,320 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-20 04:37:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 04:37:43,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:37:43,320 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:37:43,321 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:37:43,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:37:43,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1442215575, now seen corresponding path program 1 times [2019-11-20 04:37:43,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:37:43,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075596727] [2019-11-20 04:37:43,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:37:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:37:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:37:43,547 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075596727] [2019-11-20 04:37:43,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:37:43,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:37:43,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598030044] [2019-11-20 04:37:43,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:37:43,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:37:43,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:37:43,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:37:43,549 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. Second operand 4 states. [2019-11-20 04:37:43,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:37:43,712 INFO L93 Difference]: Finished difference Result 24 states and 34 transitions. [2019-11-20 04:37:43,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:37:43,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-20 04:37:43,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:37:43,714 INFO L225 Difference]: With dead ends: 24 [2019-11-20 04:37:43,714 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 04:37:43,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:37:43,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 04:37:43,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 04:37:43,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 04:37:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 04:37:43,715 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-11-20 04:37:43,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:37:43,716 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:37:43,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:37:43,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:37:43,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:37:43,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 04:37:43,753 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 04:37:43,753 INFO L444 ceAbstractionStarter]: For program point L23(lines 23 26) no Hoare annotation was computed. [2019-11-20 04:37:43,754 INFO L440 ceAbstractionStarter]: At program point L23-2(lines 16 29) the Hoare annotation is: (or (and (<= (div ULTIMATE.start_main_~y~0 4294967296) 0) (<= 1 ULTIMATE.start_main_~y~0)) (<= (* 2863311531 ULTIMATE.start_main_~x~0) (let ((.cse0 (div ULTIMATE.start_main_~x~0 4294967296))) (+ (* 8589934592 (div (+ (* .cse0 (- 4294967296)) ULTIMATE.start_main_~x~0) 3)) (* 12297829383904690176 .cse0) 1431655765)))) [2019-11-20 04:37:43,754 INFO L444 ceAbstractionStarter]: For program point L17(lines 17 28) no Hoare annotation was computed. [2019-11-20 04:37:43,754 INFO L444 ceAbstractionStarter]: For program point L7(lines 7 8) no Hoare annotation was computed. [2019-11-20 04:37:43,754 INFO L447 ceAbstractionStarter]: At program point L32(lines 12 33) the Hoare annotation is: true [2019-11-20 04:37:43,755 INFO L447 ceAbstractionStarter]: At program point L30(lines 30 31) the Hoare annotation is: true [2019-11-20 04:37:43,755 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 04:37:43,755 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 04:37:43,755 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-11-20 04:37:43,755 INFO L444 ceAbstractionStarter]: For program point L20(lines 20 27) no Hoare annotation was computed. [2019-11-20 04:37:43,755 INFO L444 ceAbstractionStarter]: For program point L16-1(lines 16 29) no Hoare annotation was computed. [2019-11-20 04:37:43,755 INFO L444 ceAbstractionStarter]: For program point L16-3(lines 12 33) no Hoare annotation was computed. [2019-11-20 04:37:43,756 INFO L444 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-11-20 04:37:43,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:37:43 BoogieIcfgContainer [2019-11-20 04:37:43,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 04:37:43,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:37:43,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:37:43,774 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:37:43,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:37:42" (3/4) ... [2019-11-20 04:37:43,779 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:37:43,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 04:37:43,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 04:37:43,837 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f4358f48-6f75-4b6d-8574-d5850c6e2055/bin/uautomizer/witness.graphml [2019-11-20 04:37:43,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:37:43,840 INFO L168 Benchmark]: Toolchain (without parser) took 1569.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -88.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:37:43,840 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-20 04:37:43,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:37:43,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.29 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 04:37:43,842 INFO L168 Benchmark]: Boogie Preprocessor took 23.02 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:37:43,843 INFO L168 Benchmark]: RCFGBuilder took 276.44 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:37:43,843 INFO L168 Benchmark]: TraceAbstraction took 893.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:37:43,844 INFO L168 Benchmark]: Witness Printer took 64.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:37:43,847 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 269.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.29 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 23.02 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 276.44 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 893.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. * Witness Printer took 64.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: (y / 4294967296 <= 0 && 1 <= y) || 2863311531 * x <= 8589934592 * ((x / 4294967296 * -4294967296 + x) / 3) + 12297829383904690176 * (x / 4294967296) + 1431655765 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 7 SDslu, 21 SDs, 0 SdLazy, 19 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 7 NumberOfFragments, 34 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 753 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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...