./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/gcd_1.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_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/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 d5d419a3a7f083f15010050e5cf28b10f30a132d ............................................................................................................................................................................................................................................................................................................................................................................................ 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 05:13:36,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:13:36,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:13:36,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:13:36,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:13:36,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:13:36,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:13:36,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:13:36,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:13:36,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:13:36,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:13:36,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:13:36,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:13:36,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:13:36,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:13:36,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:13:36,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:13:36,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:13:36,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:13:36,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:13:36,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:13:36,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:13:36,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:13:36,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:13:36,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:13:36,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:13:36,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:13:36,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:13:36,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:13:36,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:13:36,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:13:36,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:13:36,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:13:36,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:13:36,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:13:36,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:13:36,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:13:36,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:13:36,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:13:36,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:13:36,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:13:36,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-20 05:13:36,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:13:36,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:13:36,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:13:36,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:13:36,635 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:13:36,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:13:36,636 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:13:36,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:13:36,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:13:36,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:13:36,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:13:36,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:13:36,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:13:36,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:13:36,638 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 05:13:36,638 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:13:36,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:13:36,639 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:13:36,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:13:36,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:13:36,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:13:36,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:13:36,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:13:36,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:13:36,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:13:36,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:13:36,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:13:36,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:13:36,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:13:36,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:13:36,642 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_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/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 -> d5d419a3a7f083f15010050e5cf28b10f30a132d [2019-11-20 05:13:36,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:13:36,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:13:36,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:13:36,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:13:36,882 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:13:36,883 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/../../sv-benchmarks/c/bitvector/gcd_1.c [2019-11-20 05:13:36,954 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/data/ebaeccaf1/3b3f7e7c46114b7481801c1d8081def9/FLAG6c660f2b1 [2019-11-20 05:13:37,462 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:13:37,463 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/sv-benchmarks/c/bitvector/gcd_1.c [2019-11-20 05:13:37,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/data/ebaeccaf1/3b3f7e7c46114b7481801c1d8081def9/FLAG6c660f2b1 [2019-11-20 05:13:37,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/data/ebaeccaf1/3b3f7e7c46114b7481801c1d8081def9 [2019-11-20 05:13:37,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:13:37,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:13:37,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:13:37,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:13:37,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:13:37,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:13:37" (1/1) ... [2019-11-20 05:13:37,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650f98dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:37, skipping insertion in model container [2019-11-20 05:13:37,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:13:37" (1/1) ... [2019-11-20 05:13:37,895 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:13:37,918 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:13:38,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:13:38,244 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:13:38,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:13:38,295 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:13:38,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:38 WrapperNode [2019-11-20 05:13:38,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:13:38,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:13:38,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:13:38,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:13:38,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:38" (1/1) ... [2019-11-20 05:13:38,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:38" (1/1) ... [2019-11-20 05:13:38,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:13:38,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:13:38,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:13:38,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:13:38,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:38" (1/1) ... [2019-11-20 05:13:38,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:38" (1/1) ... [2019-11-20 05:13:38,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:38" (1/1) ... [2019-11-20 05:13:38,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:38" (1/1) ... [2019-11-20 05:13:38,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:38" (1/1) ... [2019-11-20 05:13:38,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:38" (1/1) ... [2019-11-20 05:13:38,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:38" (1/1) ... [2019-11-20 05:13:38,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:13:38,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:13:38,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:13:38,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:13:38,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/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 05:13:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:13:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:13:38,709 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:13:38,710 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 05:13:38,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:38 BoogieIcfgContainer [2019-11-20 05:13:38,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:13:38,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:13:38,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:13:38,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:13:38,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:13:37" (1/3) ... [2019-11-20 05:13:38,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54452f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:13:38, skipping insertion in model container [2019-11-20 05:13:38,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:38" (2/3) ... [2019-11-20 05:13:38,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54452f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:13:38, skipping insertion in model container [2019-11-20 05:13:38,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:38" (3/3) ... [2019-11-20 05:13:38,720 INFO L109 eAbstractionObserver]: Analyzing ICFG gcd_1.c [2019-11-20 05:13:38,730 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:13:38,737 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-20 05:13:38,749 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-20 05:13:38,774 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:13:38,774 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:13:38,774 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:13:38,774 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:13:38,775 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:13:38,775 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:13:38,775 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:13:38,775 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:13:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-11-20 05:13:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 05:13:38,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:13:38,798 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 05:13:38,799 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 05:13:38,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:13:38,806 INFO L82 PathProgramCache]: Analyzing trace with hash 957381, now seen corresponding path program 1 times [2019-11-20 05:13:38,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:13:38,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937930805] [2019-11-20 05:13:38,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:13:38,908 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:13:38,908 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1496352501] [2019-11-20 05:13:38,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:13:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:13:38,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:13:38,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:13:39,016 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 05:13:39,016 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937930805] [2019-11-20 05:13:39,017 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:13:39,017 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496352501] [2019-11-20 05:13:39,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:13:39,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:13:39,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734056512] [2019-11-20 05:13:39,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:13:39,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:13:39,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:13:39,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:13:39,044 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2019-11-20 05:13:39,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:13:39,149 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2019-11-20 05:13:39,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:13:39,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-20 05:13:39,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:13:39,161 INFO L225 Difference]: With dead ends: 38 [2019-11-20 05:13:39,161 INFO L226 Difference]: Without dead ends: 11 [2019-11-20 05:13:39,164 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 05:13:39,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-20 05:13:39,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-20 05:13:39,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 05:13:39,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-11-20 05:13:39,197 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 4 [2019-11-20 05:13:39,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:13:39,198 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-11-20 05:13:39,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:13:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-11-20 05:13:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 05:13:39,199 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:13:39,199 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 05:13:39,412 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:13:39,412 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 05:13:39,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:13:39,413 INFO L82 PathProgramCache]: Analyzing trace with hash 29678852, now seen corresponding path program 1 times [2019-11-20 05:13:39,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:13:39,414 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516106034] [2019-11-20 05:13:39,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:13:39,419 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:13:39,419 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1691893344] [2019-11-20 05:13:39,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:13:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:13:39,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:13:39,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:13:39,489 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 05:13:39,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516106034] [2019-11-20 05:13:39,490 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:13:39,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691893344] [2019-11-20 05:13:39,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:13:39,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:13:39,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029550035] [2019-11-20 05:13:39,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:13:39,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:13:39,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:13:39,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:13:39,494 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 3 states. [2019-11-20 05:13:39,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:13:39,515 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-11-20 05:13:39,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:13:39,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-20 05:13:39,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:13:39,517 INFO L225 Difference]: With dead ends: 11 [2019-11-20 05:13:39,517 INFO L226 Difference]: Without dead ends: 10 [2019-11-20 05:13:39,518 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 05:13:39,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-20 05:13:39,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-20 05:13:39,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-20 05:13:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-11-20 05:13:39,521 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2019-11-20 05:13:39,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:13:39,521 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-11-20 05:13:39,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:13:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-11-20 05:13:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 05:13:39,522 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:13:39,522 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 05:13:39,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:13:39,723 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 05:13:39,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:13:39,724 INFO L82 PathProgramCache]: Analyzing trace with hash 29684874, now seen corresponding path program 1 times [2019-11-20 05:13:39,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:13:39,724 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337666368] [2019-11-20 05:13:39,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:13:39,729 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:13:39,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209099669] [2019-11-20 05:13:39,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:13:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:13:39,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:13:39,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:13:39,783 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 05:13:39,783 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337666368] [2019-11-20 05:13:39,784 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:13:39,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209099669] [2019-11-20 05:13:39,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:13:39,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:13:39,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064320036] [2019-11-20 05:13:39,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:13:39,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:13:39,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:13:39,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:13:39,786 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 3 states. [2019-11-20 05:13:39,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:13:39,787 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-11-20 05:13:39,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:13:39,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-20 05:13:39,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:13:39,788 INFO L225 Difference]: With dead ends: 10 [2019-11-20 05:13:39,788 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:13:39,791 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 05:13:39,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:13:39,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:13:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:13:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:13:39,793 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-20 05:13:39,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:13:39,794 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:13:39,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:13:39,794 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:13:39,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:13:39,995 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:13:40,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:13:40,030 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2019-11-20 05:13:40,030 INFO L444 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-11-20 05:13:40,030 INFO L444 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2019-11-20 05:13:40,030 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 36) no Hoare annotation was computed. [2019-11-20 05:13:40,031 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2019-11-20 05:13:40,031 INFO L440 ceAbstractionStarter]: At program point L32-1(lines 32 36) the Hoare annotation is: (<= 0 (+ ULTIMATE.start_main_~x~0 128)) [2019-11-20 05:13:40,031 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:13:40,031 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:13:40,031 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2019-11-20 05:13:40,031 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:13:40,031 INFO L444 ceAbstractionStarter]: For program point L17-1(lines 11 23) no Hoare annotation was computed. [2019-11-20 05:13:40,031 INFO L444 ceAbstractionStarter]: For program point L17-2(lines 17 21) no Hoare annotation was computed. [2019-11-20 05:13:40,032 INFO L440 ceAbstractionStarter]: At program point L38(lines 26 39) the Hoare annotation is: (<= 0 (+ ULTIMATE.start_main_~x~0 128)) [2019-11-20 05:13:40,032 INFO L444 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-11-20 05:13:40,032 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2019-11-20 05:13:40,032 INFO L440 ceAbstractionStarter]: At program point L22(lines 10 23) the Hoare annotation is: (<= 0 (+ ULTIMATE.start_main_~x~0 128)) [2019-11-20 05:13:40,032 INFO L444 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2019-11-20 05:13:40,032 INFO L444 ceAbstractionStarter]: For program point L14-1(line 14) no Hoare annotation was computed. [2019-11-20 05:13:40,032 INFO L444 ceAbstractionStarter]: For program point L14-2(line 14) no Hoare annotation was computed. [2019-11-20 05:13:40,032 INFO L444 ceAbstractionStarter]: For program point L14-4(lines 11 23) no Hoare annotation was computed. [2019-11-20 05:13:40,033 INFO L444 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-20 05:13:40,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:13:40 BoogieIcfgContainer [2019-11-20 05:13:40,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:13:40,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:13:40,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:13:40,049 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:13:40,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:38" (3/4) ... [2019-11-20 05:13:40,053 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:13:40,066 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 05:13:40,067 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 05:13:40,121 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c8ab5ecf-dab7-4f47-b8f8-479cf9e223a5/bin/uautomizer/witness.graphml [2019-11-20 05:13:40,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:13:40,123 INFO L168 Benchmark]: Toolchain (without parser) took 2260.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -83.8 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:13:40,124 INFO L168 Benchmark]: CDTParser took 0.33 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 05:13:40,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:13:40,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.41 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 05:13:40,125 INFO L168 Benchmark]: Boogie Preprocessor took 26.06 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 05:13:40,126 INFO L168 Benchmark]: RCFGBuilder took 344.67 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:13:40,127 INFO L168 Benchmark]: TraceAbstraction took 1336.15 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:13:40,127 INFO L168 Benchmark]: Witness Printer took 72.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:13:40,130 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 434.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.41 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 26.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 344.67 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1336.15 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * Witness Printer took 72.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 32]: Loop Invariant Derived loop invariant: 0 <= x + 128 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 <= x + 128 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 0 <= x + 128 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 4 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 31 SDtfs, 46 SDslu, 14 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 9 NumberOfFragments, 15 HoareAnnotationTreeSize, 3 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 109 SizeOfPredicates, 5 NumberOfNonLiveVariables, 71 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...