./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9f16087843ad8a83da47d6a6a4e9d674fa79150d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:06:52,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:06:52,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:06:52,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:06:52,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:06:52,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:06:52,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:06:52,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:06:52,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:06:52,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:06:52,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:06:52,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:06:52,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:06:52,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:06:52,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:06:52,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:06:52,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:06:52,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:06:52,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:06:52,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:06:52,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:06:52,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:06:52,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:06:52,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:06:52,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:06:52,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:06:52,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:06:52,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:06:52,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:06:52,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:06:52,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:06:52,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:06:52,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:06:52,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:06:52,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:06:52,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:06:52,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:06:52,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:06:52,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:06:52,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:06:52,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:06:52,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-20 05:06:52,981 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:06:52,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:06:52,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:06:52,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:06:52,993 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:06:52,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:06:52,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:06:52,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:06:52,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:06:52,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:06:52,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:06:52,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:06:52,994 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 05:06:52,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:06:52,995 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:06:52,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:06:52,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:06:52,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:06:52,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:06:52,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:06:52,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:06:52,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:06:52,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:06:52,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:06:52,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:06:52,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:06:52,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:06:52,998 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_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f16087843ad8a83da47d6a6a4e9d674fa79150d [2019-11-20 05:06:53,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:06:53,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:06:53,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:06:53,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:06:53,153 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:06:53,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2019-11-20 05:06:53,204 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer/data/78a0de0f6/f75df6da681c41569c30a06afda37239/FLAG3ea52157c [2019-11-20 05:06:53,629 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:06:53,629 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2019-11-20 05:06:53,635 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer/data/78a0de0f6/f75df6da681c41569c30a06afda37239/FLAG3ea52157c [2019-11-20 05:06:53,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer/data/78a0de0f6/f75df6da681c41569c30a06afda37239 [2019-11-20 05:06:53,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:06:53,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:06:53,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:06:53,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:06:53,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:06:53,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:06:53" (1/1) ... [2019-11-20 05:06:53,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8d5db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53, skipping insertion in model container [2019-11-20 05:06:53,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:06:53" (1/1) ... [2019-11-20 05:06:53,677 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:06:53,693 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:06:53,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:06:53,937 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:06:53,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:06:53,968 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:06:53,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53 WrapperNode [2019-11-20 05:06:53,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:06:53,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:06:53,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:06:53,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:06:53,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53" (1/1) ... [2019-11-20 05:06:53,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53" (1/1) ... [2019-11-20 05:06:54,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:06:54,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:06:54,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:06:54,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:06:54,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53" (1/1) ... [2019-11-20 05:06:54,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53" (1/1) ... [2019-11-20 05:06:54,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53" (1/1) ... [2019-11-20 05:06:54,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53" (1/1) ... [2019-11-20 05:06:54,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53" (1/1) ... [2019-11-20 05:06:54,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53" (1/1) ... [2019-11-20 05:06:54,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53" (1/1) ... [2019-11-20 05:06:54,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:06:54,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:06:54,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:06:54,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:06:54,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:06:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:06:54,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:06:54,330 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:06:54,330 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 05:06:54,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:54 BoogieIcfgContainer [2019-11-20 05:06:54,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:06:54,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:06:54,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:06:54,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:06:54,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:06:53" (1/3) ... [2019-11-20 05:06:54,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c228639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:06:54, skipping insertion in model container [2019-11-20 05:06:54,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:53" (2/3) ... [2019-11-20 05:06:54,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c228639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:06:54, skipping insertion in model container [2019-11-20 05:06:54,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:54" (3/3) ... [2019-11-20 05:06:54,362 INFO L109 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-complex.c [2019-11-20 05:06:54,374 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:06:54,396 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2019-11-20 05:06:54,426 INFO L249 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2019-11-20 05:06:54,464 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:06:54,464 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:06:54,465 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:06:54,465 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:06:54,465 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:06:54,466 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:06:54,466 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:06:54,466 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:06:54,491 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-20 05:06:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 05:06:54,496 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:06:54,497 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 05:06:54,498 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 05:06:54,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:54,505 INFO L82 PathProgramCache]: Analyzing trace with hash 964492, now seen corresponding path program 1 times [2019-11-20 05:06:54,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:54,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649037732] [2019-11-20 05:06:54,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:06:54,640 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649037732] [2019-11-20 05:06:54,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:06:54,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:06:54,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627926948] [2019-11-20 05:06:54,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 05:06:54,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:06:54,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:06:54,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:06:54,662 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-20 05:06:54,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:06:54,680 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2019-11-20 05:06:54,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:06:54,681 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2019-11-20 05:06:54,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:06:54,693 INFO L225 Difference]: With dead ends: 65 [2019-11-20 05:06:54,693 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 05:06:54,696 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:06:54,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 05:06:54,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-20 05:06:54,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 05:06:54,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2019-11-20 05:06:54,727 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 4 [2019-11-20 05:06:54,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:06:54,727 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2019-11-20 05:06:54,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 05:06:54,728 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2019-11-20 05:06:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 05:06:54,728 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:06:54,728 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 05:06:54,729 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 05:06:54,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:54,729 INFO L82 PathProgramCache]: Analyzing trace with hash 963500, now seen corresponding path program 1 times [2019-11-20 05:06:54,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:54,730 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526621911] [2019-11-20 05:06:54,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:06:54,765 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526621911] [2019-11-20 05:06:54,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:06:54,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:06:54,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044529176] [2019-11-20 05:06:54,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:06:54,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:06:54,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:06:54,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:06:54,769 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 3 states. [2019-11-20 05:06:54,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:06:54,854 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2019-11-20 05:06:54,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:06:54,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-20 05:06:54,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:06:54,857 INFO L225 Difference]: With dead ends: 49 [2019-11-20 05:06:54,858 INFO L226 Difference]: Without dead ends: 46 [2019-11-20 05:06:54,858 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 05:06:54,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-20 05:06:54,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39. [2019-11-20 05:06:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-20 05:06:54,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2019-11-20 05:06:54,867 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 4 [2019-11-20 05:06:54,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:06:54,867 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2019-11-20 05:06:54,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:06:54,868 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2019-11-20 05:06:54,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 05:06:54,868 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:06:54,868 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 05:06:54,869 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 05:06:54,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:54,869 INFO L82 PathProgramCache]: Analyzing trace with hash 29868584, now seen corresponding path program 1 times [2019-11-20 05:06:54,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:54,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973551077] [2019-11-20 05:06:54,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:06:54,895 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973551077] [2019-11-20 05:06:54,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:06:54,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 05:06:54,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705743767] [2019-11-20 05:06:54,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:06:54,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:06:54,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:06:54,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:06:54,897 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand 3 states. [2019-11-20 05:06:54,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:06:54,944 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2019-11-20 05:06:54,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:06:54,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-20 05:06:54,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:06:54,945 INFO L225 Difference]: With dead ends: 39 [2019-11-20 05:06:54,945 INFO L226 Difference]: Without dead ends: 36 [2019-11-20 05:06:54,946 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:06:54,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-20 05:06:54,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-20 05:06:54,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-20 05:06:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2019-11-20 05:06:54,952 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 46 transitions. Word has length 5 [2019-11-20 05:06:54,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:06:54,952 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 46 transitions. [2019-11-20 05:06:54,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:06:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2019-11-20 05:06:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 05:06:54,953 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:06:54,953 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 05:06:54,953 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 05:06:54,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:54,954 INFO L82 PathProgramCache]: Analyzing trace with hash 29869546, now seen corresponding path program 1 times [2019-11-20 05:06:54,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:54,954 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321588447] [2019-11-20 05:06:54,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:54,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:06:54,987 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321588447] [2019-11-20 05:06:54,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:06:54,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:06:54,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396375632] [2019-11-20 05:06:54,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:06:54,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:06:54,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:06:54,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:06:54,989 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. Second operand 4 states. [2019-11-20 05:06:55,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:06:55,194 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2019-11-20 05:06:55,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:06:55,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-11-20 05:06:55,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:06:55,196 INFO L225 Difference]: With dead ends: 55 [2019-11-20 05:06:55,196 INFO L226 Difference]: Without dead ends: 51 [2019-11-20 05:06:55,197 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:06:55,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-20 05:06:55,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2019-11-20 05:06:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-20 05:06:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2019-11-20 05:06:55,204 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 5 [2019-11-20 05:06:55,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:06:55,204 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2019-11-20 05:06:55,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:06:55,205 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2019-11-20 05:06:55,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 05:06:55,205 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:06:55,208 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 05:06:55,210 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 05:06:55,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:55,211 INFO L82 PathProgramCache]: Analyzing trace with hash 925926190, now seen corresponding path program 1 times [2019-11-20 05:06:55,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:55,211 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080111983] [2019-11-20 05:06:55,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:06:55,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080111983] [2019-11-20 05:06:55,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:06:55,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 05:06:55,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990438791] [2019-11-20 05:06:55,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:06:55,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:06:55,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:06:55,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:06:55,243 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 3 states. [2019-11-20 05:06:55,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:06:55,294 INFO L93 Difference]: Finished difference Result 53 states and 68 transitions. [2019-11-20 05:06:55,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:06:55,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-20 05:06:55,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:06:55,296 INFO L225 Difference]: With dead ends: 53 [2019-11-20 05:06:55,296 INFO L226 Difference]: Without dead ends: 52 [2019-11-20 05:06:55,296 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:06:55,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-20 05:06:55,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2019-11-20 05:06:55,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-20 05:06:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2019-11-20 05:06:55,303 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 6 [2019-11-20 05:06:55,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:06:55,304 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2019-11-20 05:06:55,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:06:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2019-11-20 05:06:55,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 05:06:55,304 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:06:55,304 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 05:06:55,305 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 05:06:55,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:55,305 INFO L82 PathProgramCache]: Analyzing trace with hash 925955982, now seen corresponding path program 1 times [2019-11-20 05:06:55,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:55,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384615167] [2019-11-20 05:06:55,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:55,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:06:55,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384615167] [2019-11-20 05:06:55,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:06:55,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:06:55,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166494932] [2019-11-20 05:06:55,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:06:55,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:06:55,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:06:55,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:06:55,325 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 3 states. [2019-11-20 05:06:55,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:06:55,373 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2019-11-20 05:06:55,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:06:55,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-20 05:06:55,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:06:55,374 INFO L225 Difference]: With dead ends: 103 [2019-11-20 05:06:55,374 INFO L226 Difference]: Without dead ends: 60 [2019-11-20 05:06:55,375 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 05:06:55,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-20 05:06:55,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2019-11-20 05:06:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-11-20 05:06:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2019-11-20 05:06:55,383 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 6 [2019-11-20 05:06:55,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:06:55,383 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2019-11-20 05:06:55,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:06:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2019-11-20 05:06:55,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 05:06:55,384 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:06:55,384 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 05:06:55,384 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 05:06:55,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:55,385 INFO L82 PathProgramCache]: Analyzing trace with hash 925961940, now seen corresponding path program 1 times [2019-11-20 05:06:55,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:55,385 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695313507] [2019-11-20 05:06:55,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:06:55,420 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695313507] [2019-11-20 05:06:55,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:06:55,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 05:06:55,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133994151] [2019-11-20 05:06:55,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:06:55,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:06:55,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:06:55,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:06:55,422 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand 3 states. [2019-11-20 05:06:55,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:06:55,462 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2019-11-20 05:06:55,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:06:55,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-20 05:06:55,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:06:55,464 INFO L225 Difference]: With dead ends: 58 [2019-11-20 05:06:55,464 INFO L226 Difference]: Without dead ends: 57 [2019-11-20 05:06:55,464 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:06:55,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-20 05:06:55,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-20 05:06:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-20 05:06:55,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2019-11-20 05:06:55,471 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 6 [2019-11-20 05:06:55,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:06:55,472 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2019-11-20 05:06:55,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:06:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2019-11-20 05:06:55,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 05:06:55,472 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:06:55,473 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:06:55,473 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 05:06:55,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:06:55,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1361059094, now seen corresponding path program 1 times [2019-11-20 05:06:55,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:06:55,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27572280] [2019-11-20 05:06:55,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:06:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:06:55,507 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:06:55,507 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 05:06:55,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:06:55 BoogieIcfgContainer [2019-11-20 05:06:55,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:06:55,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:06:55,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:06:55,526 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:06:55,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:54" (3/4) ... [2019-11-20 05:06:55,528 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 05:06:55,566 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f8d6664d-fd2c-4ecd-b45b-bf22fda57d93/bin/uautomizer/witness.graphml [2019-11-20 05:06:55,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:06:55,568 INFO L168 Benchmark]: Toolchain (without parser) took 1913.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -105.6 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:06:55,569 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:06:55,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -221.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:06:55,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:06:55,571 INFO L168 Benchmark]: Boogie Preprocessor took 18.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:06:55,572 INFO L168 Benchmark]: RCFGBuilder took 313.68 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:06:55,572 INFO L168 Benchmark]: TraceAbstraction took 1191.72 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: 88.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:06:55,573 INFO L168 Benchmark]: Witness Printer took 41.14 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:06:55,577 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -221.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 313.68 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1191.72 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: 88.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. * Witness Printer took 41.14 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 [L17] COND FALSE !(b < a) [L29] EXPR a + 2 [L29] a = a + 2 [L30] b - 10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 12 error locations. Result: UNSAFE, OverallTime: 1.0s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 136 SDtfs, 119 SDslu, 40 SDs, 0 SdLazy, 161 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 395 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...