./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-1.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_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/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 747981090a474d9d2269aea1ffd03eef2ddc8848 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:19:12,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:19:12,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:19:12,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:19:12,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:19:12,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:19:12,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:19:12,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:19:12,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:19:12,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:19:12,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:19:12,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:19:12,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:19:12,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:19:12,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:19:12,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:19:12,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:19:12,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:19:12,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:19:12,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:19:12,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:19:12,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:19:12,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:19:12,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:19:12,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:19:12,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:19:12,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:19:12,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:19:12,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:19:12,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:19:12,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:19:12,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:19:12,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:19:12,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:19:12,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:19:12,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:19:12,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:19:12,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:19:12,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:19:12,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:19:12,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:19:12,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-20 10:19:12,915 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:19:12,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:19:12,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:19:12,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:19:12,916 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:19:12,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:19:12,917 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:19:12,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:19:12,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:19:12,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:19:12,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:19:12,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:19:12,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:19:12,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:19:12,918 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 10:19:12,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:19:12,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:19:12,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:19:12,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:19:12,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:19:12,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:19:12,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:19:12,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:19:12,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:19:12,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:19:12,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:19:12,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:19:12,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:19:12,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:19:12,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:19:12,921 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_c3b0e959-f61a-486e-9a55-c297569f2212/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 -> 747981090a474d9d2269aea1ffd03eef2ddc8848 [2019-11-20 10:19:13,093 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:19:13,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:19:13,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:19:13,111 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:19:13,111 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:19:13,112 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/../../sv-benchmarks/c/psyco/psyco_abp_1-1.c [2019-11-20 10:19:13,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/data/858e4f725/94b6298606f84ddbaefa9352d1dddd1a/FLAGdc58675d0 [2019-11-20 10:19:13,613 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:19:13,618 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/sv-benchmarks/c/psyco/psyco_abp_1-1.c [2019-11-20 10:19:13,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/data/858e4f725/94b6298606f84ddbaefa9352d1dddd1a/FLAGdc58675d0 [2019-11-20 10:19:13,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/data/858e4f725/94b6298606f84ddbaefa9352d1dddd1a [2019-11-20 10:19:13,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:19:13,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:19:13,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:19:13,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:19:13,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:19:13,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:19:13" (1/1) ... [2019-11-20 10:19:13,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195b4e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:13, skipping insertion in model container [2019-11-20 10:19:13,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:19:13" (1/1) ... [2019-11-20 10:19:13,987 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:19:14,019 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:19:14,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:19:14,330 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:19:14,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:19:14,440 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:19:14,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:14 WrapperNode [2019-11-20 10:19:14,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:19:14,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:19:14,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:19:14,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:19:14,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:14" (1/1) ... [2019-11-20 10:19:14,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:14" (1/1) ... [2019-11-20 10:19:14,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:19:14,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:19:14,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:19:14,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:19:14,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:14" (1/1) ... [2019-11-20 10:19:14,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:14" (1/1) ... [2019-11-20 10:19:14,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:14" (1/1) ... [2019-11-20 10:19:14,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:14" (1/1) ... [2019-11-20 10:19:14,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:14" (1/1) ... [2019-11-20 10:19:14,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:14" (1/1) ... [2019-11-20 10:19:14,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:14" (1/1) ... [2019-11-20 10:19:14,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:19:14,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:19:14,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:19:14,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:19:14,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:19:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:19:14,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:19:15,603 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:19:15,603 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 10:19:15,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:19:15 BoogieIcfgContainer [2019-11-20 10:19:15,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:19:15,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:19:15,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:19:15,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:19:15,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:19:13" (1/3) ... [2019-11-20 10:19:15,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339f372f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:19:15, skipping insertion in model container [2019-11-20 10:19:15,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:19:14" (2/3) ... [2019-11-20 10:19:15,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339f372f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:19:15, skipping insertion in model container [2019-11-20 10:19:15,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:19:15" (3/3) ... [2019-11-20 10:19:15,616 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-1.c [2019-11-20 10:19:15,624 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:19:15,633 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 42 error locations. [2019-11-20 10:19:15,643 INFO L249 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2019-11-20 10:19:15,667 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:19:15,667 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:19:15,667 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:19:15,667 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:19:15,668 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:19:15,668 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:19:15,668 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:19:15,668 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:19:15,698 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2019-11-20 10:19:15,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:19:15,703 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:19:15,704 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:19:15,705 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:19:15,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:19:15,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1915241167, now seen corresponding path program 1 times [2019-11-20 10:19:15,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:19:15,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327465861] [2019-11-20 10:19:15,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:19:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:19:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:19:15,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327465861] [2019-11-20 10:19:15,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:19:15,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:19:15,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263268243] [2019-11-20 10:19:15,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:19:15,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:19:15,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:19:15,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:19:15,883 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 3 states. [2019-11-20 10:19:16,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:19:16,085 INFO L93 Difference]: Finished difference Result 392 states and 602 transitions. [2019-11-20 10:19:16,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:19:16,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-20 10:19:16,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:19:16,100 INFO L225 Difference]: With dead ends: 392 [2019-11-20 10:19:16,102 INFO L226 Difference]: Without dead ends: 168 [2019-11-20 10:19:16,108 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:19:16,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-20 10:19:16,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2019-11-20 10:19:16,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-11-20 10:19:16,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 213 transitions. [2019-11-20 10:19:16,171 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 213 transitions. Word has length 11 [2019-11-20 10:19:16,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:19:16,172 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 213 transitions. [2019-11-20 10:19:16,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:19:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 213 transitions. [2019-11-20 10:19:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:19:16,174 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:19:16,174 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:19:16,175 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:19:16,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:19:16,175 INFO L82 PathProgramCache]: Analyzing trace with hash 101136252, now seen corresponding path program 1 times [2019-11-20 10:19:16,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:19:16,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322280748] [2019-11-20 10:19:16,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:19:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:19:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:19:16,263 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322280748] [2019-11-20 10:19:16,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:19:16,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:19:16,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219376355] [2019-11-20 10:19:16,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:19:16,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:19:16,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:19:16,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:19:16,266 INFO L87 Difference]: Start difference. First operand 168 states and 213 transitions. Second operand 3 states. [2019-11-20 10:19:16,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:19:16,460 INFO L93 Difference]: Finished difference Result 456 states and 625 transitions. [2019-11-20 10:19:16,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:19:16,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 10:19:16,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:19:16,463 INFO L225 Difference]: With dead ends: 456 [2019-11-20 10:19:16,464 INFO L226 Difference]: Without dead ends: 291 [2019-11-20 10:19:16,465 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 10:19:16,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2019-11-20 10:19:16,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 270. [2019-11-20 10:19:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-11-20 10:19:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 377 transitions. [2019-11-20 10:19:16,488 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 377 transitions. Word has length 17 [2019-11-20 10:19:16,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:19:16,489 INFO L462 AbstractCegarLoop]: Abstraction has 270 states and 377 transitions. [2019-11-20 10:19:16,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:19:16,493 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 377 transitions. [2019-11-20 10:19:16,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:19:16,494 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:19:16,494 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:19:16,494 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:19:16,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:19:16,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1159743379, now seen corresponding path program 1 times [2019-11-20 10:19:16,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:19:16,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095126674] [2019-11-20 10:19:16,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:19:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:19:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:19:16,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095126674] [2019-11-20 10:19:16,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:19:16,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:19:16,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064598125] [2019-11-20 10:19:16,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:19:16,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:19:16,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:19:16,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:19:16,568 INFO L87 Difference]: Start difference. First operand 270 states and 377 transitions. Second operand 3 states. [2019-11-20 10:19:16,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:19:16,761 INFO L93 Difference]: Finished difference Result 520 states and 751 transitions. [2019-11-20 10:19:16,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:19:16,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-11-20 10:19:16,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:19:16,766 INFO L225 Difference]: With dead ends: 520 [2019-11-20 10:19:16,766 INFO L226 Difference]: Without dead ends: 477 [2019-11-20 10:19:16,767 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 10:19:16,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2019-11-20 10:19:16,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 459. [2019-11-20 10:19:16,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2019-11-20 10:19:16,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 680 transitions. [2019-11-20 10:19:16,809 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 680 transitions. Word has length 18 [2019-11-20 10:19:16,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:19:16,816 INFO L462 AbstractCegarLoop]: Abstraction has 459 states and 680 transitions. [2019-11-20 10:19:16,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:19:16,823 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 680 transitions. [2019-11-20 10:19:16,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:19:16,824 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:19:16,824 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:19:16,824 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:19:16,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:19:16,825 INFO L82 PathProgramCache]: Analyzing trace with hash 2081470014, now seen corresponding path program 1 times [2019-11-20 10:19:16,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:19:16,825 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368326819] [2019-11-20 10:19:16,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:19:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:19:16,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:19:16,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368326819] [2019-11-20 10:19:16,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:19:16,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:19:16,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516443265] [2019-11-20 10:19:16,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:19:16,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:19:16,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:19:16,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:19:16,925 INFO L87 Difference]: Start difference. First operand 459 states and 680 transitions. Second operand 4 states. [2019-11-20 10:19:17,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:19:17,040 INFO L93 Difference]: Finished difference Result 564 states and 828 transitions. [2019-11-20 10:19:17,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:19:17,041 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-11-20 10:19:17,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:19:17,044 INFO L225 Difference]: With dead ends: 564 [2019-11-20 10:19:17,044 INFO L226 Difference]: Without dead ends: 556 [2019-11-20 10:19:17,045 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:19:17,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2019-11-20 10:19:17,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 550. [2019-11-20 10:19:17,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2019-11-20 10:19:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 813 transitions. [2019-11-20 10:19:17,063 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 813 transitions. Word has length 19 [2019-11-20 10:19:17,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:19:17,064 INFO L462 AbstractCegarLoop]: Abstraction has 550 states and 813 transitions. [2019-11-20 10:19:17,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:19:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 813 transitions. [2019-11-20 10:19:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 10:19:17,067 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:19:17,067 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:19:17,067 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:19:17,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:19:17,068 INFO L82 PathProgramCache]: Analyzing trace with hash 851576329, now seen corresponding path program 1 times [2019-11-20 10:19:17,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:19:17,068 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564426129] [2019-11-20 10:19:17,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:19:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:19:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:19:17,140 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564426129] [2019-11-20 10:19:17,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:19:17,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:19:17,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646937180] [2019-11-20 10:19:17,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:19:17,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:19:17,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:19:17,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:19:17,142 INFO L87 Difference]: Start difference. First operand 550 states and 813 transitions. Second operand 3 states. [2019-11-20 10:19:17,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:19:17,201 INFO L93 Difference]: Finished difference Result 1142 states and 1700 transitions. [2019-11-20 10:19:17,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:19:17,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-20 10:19:17,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:19:17,208 INFO L225 Difference]: With dead ends: 1142 [2019-11-20 10:19:17,208 INFO L226 Difference]: Without dead ends: 595 [2019-11-20 10:19:17,212 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:19:17,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2019-11-20 10:19:17,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2019-11-20 10:19:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2019-11-20 10:19:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 875 transitions. [2019-11-20 10:19:17,231 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 875 transitions. Word has length 28 [2019-11-20 10:19:17,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:19:17,232 INFO L462 AbstractCegarLoop]: Abstraction has 595 states and 875 transitions. [2019-11-20 10:19:17,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:19:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 875 transitions. [2019-11-20 10:19:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 10:19:17,237 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:19:17,237 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:19:17,238 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:19:17,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:19:17,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1974679586, now seen corresponding path program 1 times [2019-11-20 10:19:17,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:19:17,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67513284] [2019-11-20 10:19:17,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:19:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:19:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:19:17,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67513284] [2019-11-20 10:19:17,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:19:17,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:19:17,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265512875] [2019-11-20 10:19:17,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:19:17,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:19:17,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:19:17,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:19:17,315 INFO L87 Difference]: Start difference. First operand 595 states and 875 transitions. Second operand 3 states. [2019-11-20 10:19:17,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:19:17,413 INFO L93 Difference]: Finished difference Result 1174 states and 1753 transitions. [2019-11-20 10:19:17,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:19:17,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-11-20 10:19:17,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:19:17,417 INFO L225 Difference]: With dead ends: 1174 [2019-11-20 10:19:17,417 INFO L226 Difference]: Without dead ends: 569 [2019-11-20 10:19:17,418 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 10:19:17,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2019-11-20 10:19:17,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 364. [2019-11-20 10:19:17,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2019-11-20 10:19:17,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 510 transitions. [2019-11-20 10:19:17,434 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 510 transitions. Word has length 31 [2019-11-20 10:19:17,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:19:17,434 INFO L462 AbstractCegarLoop]: Abstraction has 364 states and 510 transitions. [2019-11-20 10:19:17,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:19:17,435 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 510 transitions. [2019-11-20 10:19:17,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 10:19:17,436 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:19:17,436 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:19:17,437 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:19:17,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:19:17,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1085523680, now seen corresponding path program 1 times [2019-11-20 10:19:17,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:19:17,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687517748] [2019-11-20 10:19:17,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:19:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:19:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:19:17,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687517748] [2019-11-20 10:19:17,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127033182] [2019-11-20 10:19:17,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:19:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:19:17,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 10:19:17,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:19:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:19:17,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 10:19:17,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-20 10:19:17,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667834124] [2019-11-20 10:19:17,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:19:17,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:19:17,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:19:17,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-20 10:19:17,621 INFO L87 Difference]: Start difference. First operand 364 states and 510 transitions. Second operand 3 states. [2019-11-20 10:19:17,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:19:17,636 INFO L93 Difference]: Finished difference Result 728 states and 1020 transitions. [2019-11-20 10:19:17,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:19:17,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-11-20 10:19:17,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:19:17,639 INFO L225 Difference]: With dead ends: 728 [2019-11-20 10:19:17,639 INFO L226 Difference]: Without dead ends: 364 [2019-11-20 10:19:17,640 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-20 10:19:17,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-11-20 10:19:17,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2019-11-20 10:19:17,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2019-11-20 10:19:17,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 507 transitions. [2019-11-20 10:19:17,649 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 507 transitions. Word has length 32 [2019-11-20 10:19:17,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:19:17,650 INFO L462 AbstractCegarLoop]: Abstraction has 364 states and 507 transitions. [2019-11-20 10:19:17,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:19:17,650 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 507 transitions. [2019-11-20 10:19:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 10:19:17,651 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:19:17,651 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:19:17,855 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:19:17,856 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:19:17,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:19:17,856 INFO L82 PathProgramCache]: Analyzing trace with hash 384460768, now seen corresponding path program 1 times [2019-11-20 10:19:17,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:19:17,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416379472] [2019-11-20 10:19:17,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:19:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:19:17,903 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:19:17,904 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416379472] [2019-11-20 10:19:17,904 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304680776] [2019-11-20 10:19:17,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/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 10:19:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:19:17,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 10:19:17,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:19:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:19:17,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 10:19:17,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2019-11-20 10:19:17,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77989342] [2019-11-20 10:19:17,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:19:17,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:19:17,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:19:17,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:19:17,997 INFO L87 Difference]: Start difference. First operand 364 states and 507 transitions. Second operand 3 states. [2019-11-20 10:19:18,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:19:18,065 INFO L93 Difference]: Finished difference Result 364 states and 507 transitions. [2019-11-20 10:19:18,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:19:18,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-11-20 10:19:18,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:19:18,068 INFO L225 Difference]: With dead ends: 364 [2019-11-20 10:19:18,068 INFO L226 Difference]: Without dead ends: 321 [2019-11-20 10:19:18,068 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:19:18,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2019-11-20 10:19:18,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 219. [2019-11-20 10:19:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-11-20 10:19:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 309 transitions. [2019-11-20 10:19:18,075 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 309 transitions. Word has length 32 [2019-11-20 10:19:18,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:19:18,076 INFO L462 AbstractCegarLoop]: Abstraction has 219 states and 309 transitions. [2019-11-20 10:19:18,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:19:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 309 transitions. [2019-11-20 10:19:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 10:19:18,077 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:19:18,077 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:19:18,279 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:19:18,280 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:19:18,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:19:18,280 INFO L82 PathProgramCache]: Analyzing trace with hash -487184860, now seen corresponding path program 1 times [2019-11-20 10:19:18,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:19:18,281 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970370005] [2019-11-20 10:19:18,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:19:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:19:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:19:18,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970370005] [2019-11-20 10:19:18,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423073540] [2019-11-20 10:19:18,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/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 10:19:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:19:18,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 10:19:18,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:19:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:19:18,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:19:18,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 4 [2019-11-20 10:19:18,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608904245] [2019-11-20 10:19:18,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:19:18,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:19:18,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:19:18,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:19:18,407 INFO L87 Difference]: Start difference. First operand 219 states and 309 transitions. Second operand 5 states. [2019-11-20 10:19:18,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:19:18,482 INFO L93 Difference]: Finished difference Result 225 states and 316 transitions. [2019-11-20 10:19:18,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:19:18,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-20 10:19:18,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:19:18,482 INFO L225 Difference]: With dead ends: 225 [2019-11-20 10:19:18,482 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:19:18,483 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:19:18,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:19:18,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:19:18,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:19:18,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:19:18,484 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-20 10:19:18,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:19:18,484 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:19:18,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:19:18,484 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:19:18,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:19:18,685 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:19:18,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:19:18,789 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2019-11-20 10:19:18,789 INFO L444 ceAbstractionStarter]: For program point L498(lines 498 509) no Hoare annotation was computed. [2019-11-20 10:19:18,789 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 250) no Hoare annotation was computed. [2019-11-20 10:19:18,789 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 377) no Hoare annotation was computed. [2019-11-20 10:19:18,789 INFO L444 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-11-20 10:19:18,790 INFO L444 ceAbstractionStarter]: For program point L234-1(line 234) no Hoare annotation was computed. [2019-11-20 10:19:18,790 INFO L444 ceAbstractionStarter]: For program point L234-2(lines 234 236) no Hoare annotation was computed. [2019-11-20 10:19:18,790 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 104) no Hoare annotation was computed. [2019-11-20 10:19:18,790 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 386) no Hoare annotation was computed. [2019-11-20 10:19:18,790 INFO L444 ceAbstractionStarter]: For program point L466(lines 466 477) no Hoare annotation was computed. [2019-11-20 10:19:18,790 INFO L444 ceAbstractionStarter]: For program point L334(line 334) no Hoare annotation was computed. [2019-11-20 10:19:18,790 INFO L444 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2019-11-20 10:19:18,790 INFO L444 ceAbstractionStarter]: For program point L334-2(lines 334 336) no Hoare annotation was computed. [2019-11-20 10:19:18,790 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 534) no Hoare annotation was computed. [2019-11-20 10:19:18,790 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 204) no Hoare annotation was computed. [2019-11-20 10:19:18,790 INFO L444 ceAbstractionStarter]: For program point L70(lines 70 72) no Hoare annotation was computed. [2019-11-20 10:19:18,791 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 386) no Hoare annotation was computed. [2019-11-20 10:19:18,791 INFO L444 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-20 10:19:18,791 INFO L444 ceAbstractionStarter]: For program point L434-1(line 434) no Hoare annotation was computed. [2019-11-20 10:19:18,791 INFO L444 ceAbstractionStarter]: For program point L434-2(lines 434 436) no Hoare annotation was computed. [2019-11-20 10:19:18,791 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 486) no Hoare annotation was computed. [2019-11-20 10:19:18,791 INFO L444 ceAbstractionStarter]: For program point L302(lines 302 304) no Hoare annotation was computed. [2019-11-20 10:19:18,791 INFO L444 ceAbstractionStarter]: For program point L170(lines 170 172) no Hoare annotation was computed. [2019-11-20 10:19:18,791 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 40) no Hoare annotation was computed. [2019-11-20 10:19:18,791 INFO L444 ceAbstractionStarter]: For program point L38-2(lines 24 565) no Hoare annotation was computed. [2019-11-20 10:19:18,791 INFO L444 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-11-20 10:19:18,791 INFO L444 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-11-20 10:19:18,792 INFO L444 ceAbstractionStarter]: For program point L534-2(lines 534 536) no Hoare annotation was computed. [2019-11-20 10:19:18,792 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 404) no Hoare annotation was computed. [2019-11-20 10:19:18,792 INFO L444 ceAbstractionStarter]: For program point L270(lines 270 272) no Hoare annotation was computed. [2019-11-20 10:19:18,792 INFO L444 ceAbstractionStarter]: For program point L502(lines 502 504) no Hoare annotation was computed. [2019-11-20 10:19:18,792 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 372) no Hoare annotation was computed. [2019-11-20 10:19:18,792 INFO L444 ceAbstractionStarter]: For program point L470(lines 470 472) no Hoare annotation was computed. [2019-11-20 10:19:18,792 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 234) no Hoare annotation was computed. [2019-11-20 10:19:18,792 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 234) no Hoare annotation was computed. [2019-11-20 10:19:18,792 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 350) no Hoare annotation was computed. [2019-11-20 10:19:18,792 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2019-11-20 10:19:18,792 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 486) no Hoare annotation was computed. [2019-11-20 10:19:18,792 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-20 10:19:18,793 INFO L444 ceAbstractionStarter]: For program point L76-1(line 76) no Hoare annotation was computed. [2019-11-20 10:19:18,793 INFO L444 ceAbstractionStarter]: For program point L76-2(line 76) no Hoare annotation was computed. [2019-11-20 10:19:18,793 INFO L444 ceAbstractionStarter]: For program point L76-3(line 76) no Hoare annotation was computed. [2019-11-20 10:19:18,793 INFO L444 ceAbstractionStarter]: For program point L44(lines 44 59) no Hoare annotation was computed. [2019-11-20 10:19:18,793 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 134) no Hoare annotation was computed. [2019-11-20 10:19:18,793 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 286) no Hoare annotation was computed. [2019-11-20 10:19:18,793 INFO L444 ceAbstractionStarter]: For program point L144(lines 144 159) no Hoare annotation was computed. [2019-11-20 10:19:18,793 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 286) no Hoare annotation was computed. [2019-11-20 10:19:18,793 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 259) no Hoare annotation was computed. [2019-11-20 10:19:18,793 INFO L444 ceAbstractionStarter]: For program point L112(lines 112 127) no Hoare annotation was computed. [2019-11-20 10:19:18,793 INFO L444 ceAbstractionStarter]: For program point L46(lines 46 57) no Hoare annotation was computed. [2019-11-20 10:19:18,794 INFO L444 ceAbstractionStarter]: For program point L344(lines 344 359) no Hoare annotation was computed. [2019-11-20 10:19:18,794 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 227) no Hoare annotation was computed. [2019-11-20 10:19:18,794 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 424) no Hoare annotation was computed. [2019-11-20 10:19:18,794 INFO L444 ceAbstractionStarter]: For program point L146(lines 146 157) no Hoare annotation was computed. [2019-11-20 10:19:18,794 INFO L444 ceAbstractionStarter]: For program point L80(lines 80 95) no Hoare annotation was computed. [2019-11-20 10:19:18,794 INFO L447 ceAbstractionStarter]: At program point L14(lines 14 570) the Hoare annotation is: true [2019-11-20 10:19:18,794 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 550) no Hoare annotation was computed. [2019-11-20 10:19:18,794 INFO L444 ceAbstractionStarter]: For program point L444(lines 444 459) no Hoare annotation was computed. [2019-11-20 10:19:18,794 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 327) no Hoare annotation was computed. [2019-11-20 10:19:18,795 INFO L444 ceAbstractionStarter]: For program point L246(lines 246 257) no Hoare annotation was computed. [2019-11-20 10:19:18,795 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 424) no Hoare annotation was computed. [2019-11-20 10:19:18,795 INFO L444 ceAbstractionStarter]: For program point L180(lines 180 195) no Hoare annotation was computed. [2019-11-20 10:19:18,795 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 125) no Hoare annotation was computed. [2019-11-20 10:19:18,795 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 534) no Hoare annotation was computed. [2019-11-20 10:19:18,795 INFO L444 ceAbstractionStarter]: For program point L544(lines 544 559) no Hoare annotation was computed. [2019-11-20 10:19:18,795 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 86) no Hoare annotation was computed. [2019-11-20 10:19:18,795 INFO L444 ceAbstractionStarter]: For program point L412(lines 412 427) no Hoare annotation was computed. [2019-11-20 10:19:18,795 INFO L444 ceAbstractionStarter]: For program point L346(lines 346 357) no Hoare annotation was computed. [2019-11-20 10:19:18,795 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 295) no Hoare annotation was computed. [2019-11-20 10:19:18,795 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 225) no Hoare annotation was computed. [2019-11-20 10:19:18,795 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 93) no Hoare annotation was computed. [2019-11-20 10:19:18,796 INFO L444 ceAbstractionStarter]: For program point L512(lines 512 527) no Hoare annotation was computed. [2019-11-20 10:19:18,796 INFO L444 ceAbstractionStarter]: For program point L446(lines 446 457) no Hoare annotation was computed. [2019-11-20 10:19:18,796 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 86) no Hoare annotation was computed. [2019-11-20 10:19:18,796 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 395) no Hoare annotation was computed. [2019-11-20 10:19:18,796 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 325) no Hoare annotation was computed. [2019-11-20 10:19:18,796 INFO L444 ceAbstractionStarter]: For program point L182(lines 182 193) no Hoare annotation was computed. [2019-11-20 10:19:18,796 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 52) no Hoare annotation was computed. [2019-11-20 10:19:18,796 INFO L444 ceAbstractionStarter]: For program point L546(lines 546 557) no Hoare annotation was computed. [2019-11-20 10:19:18,796 INFO L444 ceAbstractionStarter]: For program point L480(lines 480 495) no Hoare annotation was computed. [2019-11-20 10:19:18,796 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 425) no Hoare annotation was computed. [2019-11-20 10:19:18,796 INFO L444 ceAbstractionStarter]: For program point L282(lines 282 293) no Hoare annotation was computed. [2019-11-20 10:19:18,796 INFO L444 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2019-11-20 10:19:18,797 INFO L444 ceAbstractionStarter]: For program point L150-1(line 150) no Hoare annotation was computed. [2019-11-20 10:19:18,797 INFO L444 ceAbstractionStarter]: For program point L150-2(lines 150 152) no Hoare annotation was computed. [2019-11-20 10:19:18,797 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 250) no Hoare annotation was computed. [2019-11-20 10:19:18,797 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 525) no Hoare annotation was computed. [2019-11-20 10:19:18,797 INFO L444 ceAbstractionStarter]: For program point L382(lines 382 393) no Hoare annotation was computed. [2019-11-20 10:19:18,797 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2019-11-20 10:19:18,797 INFO L444 ceAbstractionStarter]: For program point L250(line 250) no Hoare annotation was computed. [2019-11-20 10:19:18,797 INFO L444 ceAbstractionStarter]: For program point L250-1(line 250) no Hoare annotation was computed. [2019-11-20 10:19:18,797 INFO L444 ceAbstractionStarter]: For program point L250-2(lines 250 252) no Hoare annotation was computed. [2019-11-20 10:19:18,797 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 434) no Hoare annotation was computed. [2019-11-20 10:19:18,797 INFO L444 ceAbstractionStarter]: For program point L118(lines 118 120) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point L482(lines 482 493) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point L350(line 350) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point L350-2(lines 350 352) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 220) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point L86-2(lines 86 88) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 150) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-11-20 10:19:18,798 INFO L444 ceAbstractionStarter]: For program point L450-2(lines 450 452) no Hoare annotation was computed. [2019-11-20 10:19:18,799 INFO L444 ceAbstractionStarter]: For program point L318(lines 318 320) no Hoare annotation was computed. [2019-11-20 10:19:18,799 INFO L444 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-11-20 10:19:18,799 INFO L444 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2019-11-20 10:19:18,799 INFO L444 ceAbstractionStarter]: For program point L186-2(lines 186 188) no Hoare annotation was computed. [2019-11-20 10:19:18,799 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 150) no Hoare annotation was computed. [2019-11-20 10:19:18,799 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-20 10:19:18,799 INFO L444 ceAbstractionStarter]: For program point L550-2(line 550) no Hoare annotation was computed. [2019-11-20 10:19:18,799 INFO L444 ceAbstractionStarter]: For program point L550-3(line 550) no Hoare annotation was computed. [2019-11-20 10:19:18,799 INFO L444 ceAbstractionStarter]: For program point L418(lines 418 420) no Hoare annotation was computed. [2019-11-20 10:19:18,799 INFO L444 ceAbstractionStarter]: For program point L550-4(lines 550 552) no Hoare annotation was computed. [2019-11-20 10:19:18,799 INFO L444 ceAbstractionStarter]: For program point L286(line 286) no Hoare annotation was computed. [2019-11-20 10:19:18,800 INFO L444 ceAbstractionStarter]: For program point L286-2(line 286) no Hoare annotation was computed. [2019-11-20 10:19:18,800 INFO L444 ceAbstractionStarter]: For program point L286-3(line 286) no Hoare annotation was computed. [2019-11-20 10:19:18,800 INFO L444 ceAbstractionStarter]: For program point L286-4(lines 286 288) no Hoare annotation was computed. [2019-11-20 10:19:18,800 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 292) no Hoare annotation was computed. [2019-11-20 10:19:18,800 INFO L447 ceAbstractionStarter]: At program point L551(lines 14 570) the Hoare annotation is: true [2019-11-20 10:19:18,800 INFO L444 ceAbstractionStarter]: For program point L518(lines 518 520) no Hoare annotation was computed. [2019-11-20 10:19:18,800 INFO L444 ceAbstractionStarter]: For program point L386(line 386) no Hoare annotation was computed. [2019-11-20 10:19:18,800 INFO L444 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-11-20 10:19:18,800 INFO L444 ceAbstractionStarter]: For program point L386-2(lines 386 388) no Hoare annotation was computed. [2019-11-20 10:19:18,800 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 292) no Hoare annotation was computed. [2019-11-20 10:19:18,801 INFO L444 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-11-20 10:19:18,801 INFO L444 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2019-11-20 10:19:18,801 INFO L444 ceAbstractionStarter]: For program point L486-2(lines 486 488) no Hoare annotation was computed. [2019-11-20 10:19:18,801 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 424) no Hoare annotation was computed. [2019-11-20 10:19:18,801 INFO L440 ceAbstractionStarter]: At program point L24-2(lines 24 565) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~this_buffer_empty~0) (<= ULTIMATE.start_main_~this_buffer_empty~0 1) (<= ULTIMATE.start_main_~this_expect~0 16) (<= 0 (+ ULTIMATE.start_main_~this_expect~0 16))) [2019-11-20 10:19:18,801 INFO L444 ceAbstractionStarter]: For program point L24-3(lines 24 565) no Hoare annotation was computed. [2019-11-20 10:19:18,801 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2019-11-20 10:19:18,801 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:19:18,802 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 424) no Hoare annotation was computed. [2019-11-20 10:19:18,802 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 550) no Hoare annotation was computed. [2019-11-20 10:19:18,802 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 134) no Hoare annotation was computed. [2019-11-20 10:19:18,802 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 350) no Hoare annotation was computed. [2019-11-20 10:19:18,802 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 450) no Hoare annotation was computed. [2019-11-20 10:19:18,802 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-20 10:19:18,802 INFO L444 ceAbstractionStarter]: For program point L556-1(line 556) no Hoare annotation was computed. [2019-11-20 10:19:18,802 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-20 10:19:18,802 INFO L444 ceAbstractionStarter]: For program point L424-1(line 424) no Hoare annotation was computed. [2019-11-20 10:19:18,802 INFO L444 ceAbstractionStarter]: For program point L424-2(line 424) no Hoare annotation was computed. [2019-11-20 10:19:18,803 INFO L444 ceAbstractionStarter]: For program point L424-3(line 424) no Hoare annotation was computed. [2019-11-20 10:19:18,803 INFO L444 ceAbstractionStarter]: For program point L292(line 292) no Hoare annotation was computed. [2019-11-20 10:19:18,803 INFO L444 ceAbstractionStarter]: For program point L292-1(line 292) no Hoare annotation was computed. [2019-11-20 10:19:18,803 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2019-11-20 10:19:18,803 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:19:18,803 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2019-11-20 10:19:18,803 INFO L444 ceAbstractionStarter]: For program point L128(lines 128 143) no Hoare annotation was computed. [2019-11-20 10:19:18,803 INFO L444 ceAbstractionStarter]: For program point L228(lines 228 243) no Hoare annotation was computed. [2019-11-20 10:19:18,803 INFO L444 ceAbstractionStarter]: For program point L96(lines 96 111) no Hoare annotation was computed. [2019-11-20 10:19:18,803 INFO L444 ceAbstractionStarter]: For program point L63(lines 63 162) no Hoare annotation was computed. [2019-11-20 10:19:18,804 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 186) no Hoare annotation was computed. [2019-11-20 10:19:18,804 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 343) no Hoare annotation was computed. [2019-11-20 10:19:18,804 INFO L444 ceAbstractionStarter]: For program point L196(lines 196 211) no Hoare annotation was computed. [2019-11-20 10:19:18,804 INFO L444 ceAbstractionStarter]: For program point L163(lines 163 262) no Hoare annotation was computed. [2019-11-20 10:19:18,804 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 141) no Hoare annotation was computed. [2019-11-20 10:19:18,804 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 79) no Hoare annotation was computed. [2019-11-20 10:19:18,804 INFO L444 ceAbstractionStarter]: For program point L428(lines 428 443) no Hoare annotation was computed. [2019-11-20 10:19:18,804 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 186) no Hoare annotation was computed. [2019-11-20 10:19:18,804 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 311) no Hoare annotation was computed. [2019-11-20 10:19:18,804 INFO L444 ceAbstractionStarter]: For program point L263(lines 263 362) no Hoare annotation was computed. [2019-11-20 10:19:18,804 INFO L444 ceAbstractionStarter]: For program point L230(lines 230 241) no Hoare annotation was computed. [2019-11-20 10:19:18,805 INFO L444 ceAbstractionStarter]: For program point L164(lines 164 179) no Hoare annotation was computed. [2019-11-20 10:19:18,805 INFO L444 ceAbstractionStarter]: For program point L98(lines 98 109) no Hoare annotation was computed. [2019-11-20 10:19:18,805 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:19:18,805 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 334) no Hoare annotation was computed. [2019-11-20 10:19:18,805 INFO L440 ceAbstractionStarter]: At program point L561(lines 24 565) the Hoare annotation is: (let ((.cse0 (<= 0 ULTIMATE.start_main_~this_buffer_empty~0)) (.cse1 (<= ULTIMATE.start_main_~this_buffer_empty~0 1)) (.cse2 (<= 0 (+ ULTIMATE.start_main_~this_expect~0 16)))) (or (and .cse0 .cse1 (<= ULTIMATE.start_main_~this_expect~0 16) .cse2) (and .cse0 .cse1 .cse2 (<= 3 ULTIMATE.start_main_~q~0)))) [2019-11-20 10:19:18,805 INFO L444 ceAbstractionStarter]: For program point L528(lines 528 543) no Hoare annotation was computed. [2019-11-20 10:19:18,805 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 450) no Hoare annotation was computed. [2019-11-20 10:19:18,805 INFO L444 ceAbstractionStarter]: For program point L396(lines 396 411) no Hoare annotation was computed. [2019-11-20 10:19:18,805 INFO L444 ceAbstractionStarter]: For program point L363(lines 363 462) no Hoare annotation was computed. [2019-11-20 10:19:18,805 INFO L444 ceAbstractionStarter]: For program point L330(lines 330 341) no Hoare annotation was computed. [2019-11-20 10:19:18,805 INFO L444 ceAbstractionStarter]: For program point L264(lines 264 279) no Hoare annotation was computed. [2019-11-20 10:19:18,805 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 209) no Hoare annotation was computed. [2019-11-20 10:19:18,806 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 77) no Hoare annotation was computed. [2019-11-20 10:19:18,806 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 334) no Hoare annotation was computed. [2019-11-20 10:19:18,806 INFO L444 ceAbstractionStarter]: For program point L496(lines 496 511) no Hoare annotation was computed. [2019-11-20 10:19:18,806 INFO L444 ceAbstractionStarter]: For program point L463(lines 463 562) no Hoare annotation was computed. [2019-11-20 10:19:18,806 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 441) no Hoare annotation was computed. [2019-11-20 10:19:18,806 INFO L444 ceAbstractionStarter]: For program point L364(lines 364 379) no Hoare annotation was computed. [2019-11-20 10:19:18,806 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-11-20 10:19:18,806 INFO L444 ceAbstractionStarter]: For program point L166(lines 166 177) no Hoare annotation was computed. [2019-11-20 10:19:18,806 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 434) no Hoare annotation was computed. [2019-11-20 10:19:18,806 INFO L444 ceAbstractionStarter]: For program point L530(lines 530 541) no Hoare annotation was computed. [2019-11-20 10:19:18,807 INFO L444 ceAbstractionStarter]: For program point L464(lines 464 479) no Hoare annotation was computed. [2019-11-20 10:19:18,807 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 409) no Hoare annotation was computed. [2019-11-20 10:19:18,807 INFO L444 ceAbstractionStarter]: For program point L266(lines 266 277) no Hoare annotation was computed. [2019-11-20 10:19:18,807 INFO L444 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-11-20 10:19:18,807 INFO L444 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2019-11-20 10:19:18,807 INFO L444 ceAbstractionStarter]: For program point L134-2(lines 134 136) no Hoare annotation was computed. [2019-11-20 10:19:18,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:19:18 BoogieIcfgContainer [2019-11-20 10:19:18,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:19:18,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:19:18,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:19:18,822 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:19:18,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:19:15" (3/4) ... [2019-11-20 10:19:18,826 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:19:18,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 10:19:18,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:19:18,889 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c3b0e959-f61a-486e-9a55-c297569f2212/bin/uautomizer/witness.graphml [2019-11-20 10:19:18,889 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:19:18,891 INFO L168 Benchmark]: Toolchain (without parser) took 4917.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 952.8 MB in the beginning and 1.0 GB in the end (delta: -61.7 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:19:18,892 INFO L168 Benchmark]: CDTParser took 0.20 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 10:19:18,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 947.4 MB in the beginning and 1.2 GB in the end (delta: -202.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:19:18,893 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:19:18,893 INFO L168 Benchmark]: Boogie Preprocessor took 62.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:19:18,894 INFO L168 Benchmark]: RCFGBuilder took 1019.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:19:18,894 INFO L168 Benchmark]: TraceAbstraction took 3216.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:19:18,899 INFO L168 Benchmark]: Witness Printer took 67.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:19:18,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 467.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 947.4 MB in the beginning and 1.2 GB in the end (delta: -202.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1019.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3216.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. * Witness Printer took 67.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 292]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 386]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 186]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 450]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 486]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 424]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 434]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 150]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 334]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 534]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 134]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 234]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 250]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 350]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 286]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 292]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 424]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 450]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 386]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 234]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 434]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 424]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 150]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 186]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 134]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 424]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 350]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 486]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 250]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 286]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 334]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 534]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((0 <= this_buffer_empty && this_buffer_empty <= 1) && this_expect <= 16) && 0 <= this_expect + 16 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((0 <= this_buffer_empty && this_buffer_empty <= 1) && this_expect <= 16) && 0 <= this_expect + 16) || (((0 <= this_buffer_empty && this_buffer_empty <= 1) && 0 <= this_expect + 16) && 3 <= q) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 195 locations, 42 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 1652 SDtfs, 1517 SDslu, 1297 SDs, 0 SdLazy, 400 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=595occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 352 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 18 NumberOfFragments, 48 HoareAnnotationTreeSize, 4 FomulaSimplifications, 394 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 52 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 17211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 580 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 76/90 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...