./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/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 0.2.0-a4ecdab [2020-11-30 00:31:26,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:31:26,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:31:26,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:31:26,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:31:26,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:31:26,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:31:26,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:31:26,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:31:26,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:31:26,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:31:26,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:31:26,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:31:26,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:31:26,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:31:26,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:31:26,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:31:26,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:31:26,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:31:26,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:31:26,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:31:26,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:31:26,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:31:26,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:31:26,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:31:26,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:31:26,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:31:26,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:31:26,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:31:26,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:31:26,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:31:26,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:31:26,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:31:26,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:31:26,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:31:26,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:31:26,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:31:26,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:31:26,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:31:26,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:31:26,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:31:26,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-11-30 00:31:26,626 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:31:26,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:31:26,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:31:26,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:31:26,628 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:31:26,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:31:26,629 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:31:26,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:31:26,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:31:26,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:31:26,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:31:26,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:31:26,630 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 00:31:26,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:31:26,631 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:31:26,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:31:26,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:31:26,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:31:26,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:31:26,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:31:26,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:31:26,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:31:26,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:31:26,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:31:26,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:31:26,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:31:26,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:31:26,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:31:26,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f16087843ad8a83da47d6a6a4e9d674fa79150d [2020-11-30 00:31:26,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:31:26,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:31:26,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:31:26,956 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:31:26,959 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:31:26,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-11-30 00:31:27,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer/data/9aefdd0a6/727da420a5ee41e1b595d274b368becc/FLAG6c4ffe699 [2020-11-30 00:31:27,469 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:31:27,470 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-11-30 00:31:27,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer/data/9aefdd0a6/727da420a5ee41e1b595d274b368becc/FLAG6c4ffe699 [2020-11-30 00:31:27,872 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer/data/9aefdd0a6/727da420a5ee41e1b595d274b368becc [2020-11-30 00:31:27,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:31:27,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:31:27,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:27,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:31:27,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:31:27,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:27" (1/1) ... [2020-11-30 00:31:27,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51398c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:27, skipping insertion in model container [2020-11-30 00:31:27,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:27" (1/1) ... [2020-11-30 00:31:27,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:31:27,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:31:28,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:28,041 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:31:28,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:28,072 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:31:28,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28 WrapperNode [2020-11-30 00:31:28,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:28,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:31:28,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:31:28,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:31:28,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:31:28,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:31:28,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:31:28,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:31:28,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:31:28,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:31:28,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:31:28,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:31:28,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/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 [2020-11-30 00:31:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:31:28,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:31:28,474 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:31:28,484 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 00:31:28,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:28 BoogieIcfgContainer [2020-11-30 00:31:28,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:31:28,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:31:28,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:31:28,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:31:28,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:31:27" (1/3) ... [2020-11-30 00:31:28,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d05e949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:31:28, skipping insertion in model container [2020-11-30 00:31:28,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (2/3) ... [2020-11-30 00:31:28,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d05e949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:31:28, skipping insertion in model container [2020-11-30 00:31:28,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:28" (3/3) ... [2020-11-30 00:31:28,506 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-11-30 00:31:28,519 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:31:28,539 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2020-11-30 00:31:28,565 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-11-30 00:31:28,588 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:31:28,589 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:31:28,589 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:31:28,589 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:31:28,589 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:31:28,589 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:31:28,589 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:31:28,590 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:31:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-11-30 00:31:28,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 00:31:28,608 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:28,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 00:31:28,610 INFO L429 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]=== [2020-11-30 00:31:28,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:28,616 INFO L82 PathProgramCache]: Analyzing trace with hash 964492, now seen corresponding path program 1 times [2020-11-30 00:31:28,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:28,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86659207] [2020-11-30 00:31:28,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:28,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86659207] [2020-11-30 00:31:28,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:28,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:31:28,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187201115] [2020-11-30 00:31:28,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:31:28,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:28,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:31:28,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:31:28,748 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-11-30 00:31:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:28,766 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2020-11-30 00:31:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:31:28,768 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-11-30 00:31:28,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:28,776 INFO L225 Difference]: With dead ends: 65 [2020-11-30 00:31:28,776 INFO L226 Difference]: Without dead ends: 29 [2020-11-30 00:31:28,779 INFO L677 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 [2020-11-30 00:31:28,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-30 00:31:28,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-30 00:31:28,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 00:31:28,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2020-11-30 00:31:28,810 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 4 [2020-11-30 00:31:28,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:28,810 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2020-11-30 00:31:28,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:31:28,811 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-11-30 00:31:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 00:31:28,811 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:28,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 00:31:28,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:31:28,812 INFO L429 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]=== [2020-11-30 00:31:28,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:28,813 INFO L82 PathProgramCache]: Analyzing trace with hash 963500, now seen corresponding path program 1 times [2020-11-30 00:31:28,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:28,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618596249] [2020-11-30 00:31:28,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:28,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618596249] [2020-11-30 00:31:28,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:28,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:31:28,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186506659] [2020-11-30 00:31:28,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:28,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:28,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:28,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:28,856 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 3 states. [2020-11-30 00:31:28,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:28,980 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2020-11-30 00:31:28,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:28,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-30 00:31:28,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:28,983 INFO L225 Difference]: With dead ends: 49 [2020-11-30 00:31:28,983 INFO L226 Difference]: Without dead ends: 46 [2020-11-30 00:31:28,984 INFO L677 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 [2020-11-30 00:31:28,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-30 00:31:28,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39. [2020-11-30 00:31:28,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-30 00:31:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2020-11-30 00:31:28,993 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 4 [2020-11-30 00:31:28,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:28,993 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2020-11-30 00:31:28,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:28,993 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2020-11-30 00:31:28,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 00:31:28,994 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:28,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-30 00:31:28,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:31:28,995 INFO L429 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]=== [2020-11-30 00:31:28,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:28,996 INFO L82 PathProgramCache]: Analyzing trace with hash 29868584, now seen corresponding path program 1 times [2020-11-30 00:31:28,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:28,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17285427] [2020-11-30 00:31:28,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:29,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17285427] [2020-11-30 00:31:29,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:29,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-30 00:31:29,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164329133] [2020-11-30 00:31:29,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:29,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:29,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:29,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:29,035 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand 3 states. [2020-11-30 00:31:29,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:29,084 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2020-11-30 00:31:29,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:29,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-30 00:31:29,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:29,086 INFO L225 Difference]: With dead ends: 39 [2020-11-30 00:31:29,086 INFO L226 Difference]: Without dead ends: 36 [2020-11-30 00:31:29,087 INFO L677 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 [2020-11-30 00:31:29,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-11-30 00:31:29,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-11-30 00:31:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-30 00:31:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2020-11-30 00:31:29,094 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 46 transitions. Word has length 5 [2020-11-30 00:31:29,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:29,094 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 46 transitions. [2020-11-30 00:31:29,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:29,095 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2020-11-30 00:31:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 00:31:29,095 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:29,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-30 00:31:29,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:31:29,096 INFO L429 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]=== [2020-11-30 00:31:29,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:29,097 INFO L82 PathProgramCache]: Analyzing trace with hash 29869546, now seen corresponding path program 1 times [2020-11-30 00:31:29,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:29,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351117117] [2020-11-30 00:31:29,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:29,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351117117] [2020-11-30 00:31:29,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:29,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:31:29,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782231477] [2020-11-30 00:31:29,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:31:29,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:29,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:31:29,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:31:29,125 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. Second operand 4 states. [2020-11-30 00:31:29,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:29,303 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2020-11-30 00:31:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:31:29,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-11-30 00:31:29,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:29,305 INFO L225 Difference]: With dead ends: 55 [2020-11-30 00:31:29,305 INFO L226 Difference]: Without dead ends: 51 [2020-11-30 00:31:29,306 INFO L677 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 [2020-11-30 00:31:29,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-30 00:31:29,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2020-11-30 00:31:29,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-30 00:31:29,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2020-11-30 00:31:29,334 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 5 [2020-11-30 00:31:29,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:29,335 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2020-11-30 00:31:29,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:31:29,335 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2020-11-30 00:31:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 00:31:29,335 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:29,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:31:29,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:31:29,336 INFO L429 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]=== [2020-11-30 00:31:29,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:29,337 INFO L82 PathProgramCache]: Analyzing trace with hash 925926190, now seen corresponding path program 1 times [2020-11-30 00:31:29,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:29,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635867715] [2020-11-30 00:31:29,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:29,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635867715] [2020-11-30 00:31:29,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:29,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-30 00:31:29,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146294766] [2020-11-30 00:31:29,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:29,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:29,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:29,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:29,408 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 3 states. [2020-11-30 00:31:29,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:29,466 INFO L93 Difference]: Finished difference Result 53 states and 68 transitions. [2020-11-30 00:31:29,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:29,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-30 00:31:29,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:29,468 INFO L225 Difference]: With dead ends: 53 [2020-11-30 00:31:29,468 INFO L226 Difference]: Without dead ends: 52 [2020-11-30 00:31:29,468 INFO L677 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 [2020-11-30 00:31:29,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-30 00:31:29,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2020-11-30 00:31:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-30 00:31:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2020-11-30 00:31:29,475 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 6 [2020-11-30 00:31:29,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:29,476 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2020-11-30 00:31:29,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2020-11-30 00:31:29,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 00:31:29,476 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:29,476 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:31:29,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:31:29,477 INFO L429 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]=== [2020-11-30 00:31:29,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:29,477 INFO L82 PathProgramCache]: Analyzing trace with hash 925955982, now seen corresponding path program 1 times [2020-11-30 00:31:29,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:29,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051278152] [2020-11-30 00:31:29,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:29,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:29,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051278152] [2020-11-30 00:31:29,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:29,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:31:29,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427902721] [2020-11-30 00:31:29,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:29,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:29,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:29,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:29,529 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 3 states. [2020-11-30 00:31:29,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:29,586 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2020-11-30 00:31:29,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:29,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-30 00:31:29,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:29,587 INFO L225 Difference]: With dead ends: 103 [2020-11-30 00:31:29,587 INFO L226 Difference]: Without dead ends: 60 [2020-11-30 00:31:29,588 INFO L677 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 [2020-11-30 00:31:29,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-30 00:31:29,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2020-11-30 00:31:29,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-11-30 00:31:29,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2020-11-30 00:31:29,596 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 6 [2020-11-30 00:31:29,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:29,596 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2020-11-30 00:31:29,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2020-11-30 00:31:29,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 00:31:29,596 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:29,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:31:29,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:31:29,597 INFO L429 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]=== [2020-11-30 00:31:29,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:29,598 INFO L82 PathProgramCache]: Analyzing trace with hash 925961940, now seen corresponding path program 1 times [2020-11-30 00:31:29,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:29,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431307356] [2020-11-30 00:31:29,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:29,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:29,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431307356] [2020-11-30 00:31:29,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:29,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-30 00:31:29,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321605973] [2020-11-30 00:31:29,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:29,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:29,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:29,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:29,641 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand 3 states. [2020-11-30 00:31:29,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:29,675 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2020-11-30 00:31:29,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:29,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-30 00:31:29,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:29,678 INFO L225 Difference]: With dead ends: 58 [2020-11-30 00:31:29,678 INFO L226 Difference]: Without dead ends: 57 [2020-11-30 00:31:29,679 INFO L677 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 [2020-11-30 00:31:29,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-30 00:31:29,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-30 00:31:29,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-30 00:31:29,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2020-11-30 00:31:29,693 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 6 [2020-11-30 00:31:29,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:29,693 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2020-11-30 00:31:29,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:29,694 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2020-11-30 00:31:29,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 00:31:29,694 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:29,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:29,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:31:29,695 INFO L429 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]=== [2020-11-30 00:31:29,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:29,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1361059094, now seen corresponding path program 1 times [2020-11-30 00:31:29,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:29,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957182861] [2020-11-30 00:31:29,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:29,711 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:31:29,718 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:31:29,732 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:31:29,733 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:31:29,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:31:29,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:31:29 BoogieIcfgContainer [2020-11-30 00:31:29,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:31:29,749 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:31:29,749 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:31:29,749 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:31:29,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:28" (3/4) ... [2020-11-30 00:31:29,751 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:31:29,780 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4a276acd-f8e9-461c-8788-b9007d8c3d82/bin/uautomizer/witness.graphml [2020-11-30 00:31:29,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:31:29,782 INFO L168 Benchmark]: Toolchain (without parser) took 1903.97 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 74.1 MB in the beginning and 80.1 MB in the end (delta: -6.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:29,782 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 98.6 MB. Free memory is still 56.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:31:29,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.99 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 73.8 MB in the beginning and 109.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:29,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.74 ms. Allocated memory is still 130.0 MB. Free memory was 109.2 MB in the beginning and 107.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:29,784 INFO L168 Benchmark]: Boogie Preprocessor took 19.60 ms. Allocated memory is still 130.0 MB. Free memory was 107.8 MB in the beginning and 107.0 MB in the end (delta: 874.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:31:29,785 INFO L168 Benchmark]: RCFGBuilder took 331.83 ms. Allocated memory is still 130.0 MB. Free memory was 106.9 MB in the beginning and 95.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:29,785 INFO L168 Benchmark]: TraceAbstraction took 1260.15 ms. Allocated memory is still 130.0 MB. Free memory was 94.6 MB in the beginning and 82.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:29,786 INFO L168 Benchmark]: Witness Printer took 31.04 ms. Allocated memory is still 130.0 MB. Free memory was 82.2 MB in the beginning and 80.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:29,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 98.6 MB. Free memory is still 56.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 194.99 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 73.8 MB in the beginning and 109.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.74 ms. Allocated memory is still 130.0 MB. Free memory was 109.2 MB in the beginning and 107.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.60 ms. Allocated memory is still 130.0 MB. Free memory was 107.8 MB in the beginning and 107.0 MB in the end (delta: 874.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 331.83 ms. Allocated memory is still 130.0 MB. Free memory was 106.9 MB in the beginning and 95.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1260.15 ms. Allocated memory is still 130.0 MB. Free memory was 94.6 MB in the beginning and 82.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * Witness Printer took 31.04 ms. Allocated memory is still 130.0 MB. Free memory was 82.2 MB in the beginning and 80.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, 0.1s 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, 0.2s 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...