./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.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_4f259e2c-cbb6-44de-a2a0-2a822048d633/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/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 775ea6e0a1296fd7b29dfc5da5a4c77d3361f4a8 .................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:59:34,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:34,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:34,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:34,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:34,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:34,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:34,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:34,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:34,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:34,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:34,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:34,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:34,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:34,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:34,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:34,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:34,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:34,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:34,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:34,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:34,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:34,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:34,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:34,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:34,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:34,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:34,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:34,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:34,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:34,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:34,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:34,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:34,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:34,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:34,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:34,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:34,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:34,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:34,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:34,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:34,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-11-28 02:59:34,592 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:34,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:34,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:34,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:34,595 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:34,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:34,595 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:59:34,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:59:34,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:34,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:59:34,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:34,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:59:34,598 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 02:59:34,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:59:34,598 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:34,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:59:34,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:34,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:34,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:34,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:34,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:34,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:34,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:34,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:59:34,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:59:34,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:59:34,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:59:34,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:34,602 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_4f259e2c-cbb6-44de-a2a0-2a822048d633/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 775ea6e0a1296fd7b29dfc5da5a4c77d3361f4a8 [2020-11-28 02:59:34,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:34,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:34,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:34,941 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:34,942 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:34,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2020-11-28 02:59:35,018 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/bin/uautomizer/data/6bc42fb9d/101c78b35f85448bbbc8cb5473ad13ef/FLAG61811f577 [2020-11-28 02:59:35,434 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:35,434 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2020-11-28 02:59:35,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/bin/uautomizer/data/6bc42fb9d/101c78b35f85448bbbc8cb5473ad13ef/FLAG61811f577 [2020-11-28 02:59:35,839 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/bin/uautomizer/data/6bc42fb9d/101c78b35f85448bbbc8cb5473ad13ef [2020-11-28 02:59:35,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:35,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:59:35,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:35,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:35,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:35,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:35" (1/1) ... [2020-11-28 02:59:35,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55746b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35, skipping insertion in model container [2020-11-28 02:59:35,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:35" (1/1) ... [2020-11-28 02:59:35,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:35,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:36,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:36,038 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:59:36,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:36,075 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:59:36,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:36 WrapperNode [2020-11-28 02:59:36,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:36,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:36,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:59:36,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:59:36,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:36" (1/1) ... [2020-11-28 02:59:36,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:36" (1/1) ... [2020-11-28 02:59:36,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:36,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:59:36,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:59:36,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:59:36,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:36" (1/1) ... [2020-11-28 02:59:36,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:36" (1/1) ... [2020-11-28 02:59:36,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:36" (1/1) ... [2020-11-28 02:59:36,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:36" (1/1) ... [2020-11-28 02:59:36,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:36" (1/1) ... [2020-11-28 02:59:36,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:36" (1/1) ... [2020-11-28 02:59:36,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:36" (1/1) ... [2020-11-28 02:59:36,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:59:36,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:59:36,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:59:36,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:59:36,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/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 [2020-11-28 02:59:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:59:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:59:36,376 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:59:36,376 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 02:59:36,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:36 BoogieIcfgContainer [2020-11-28 02:59:36,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:59:36,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:59:36,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:59:36,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:59:36,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:59:35" (1/3) ... [2020-11-28 02:59:36,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d624e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:36, skipping insertion in model container [2020-11-28 02:59:36,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:36" (2/3) ... [2020-11-28 02:59:36,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d624e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:36, skipping insertion in model container [2020-11-28 02:59:36,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:36" (3/3) ... [2020-11-28 02:59:36,389 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-while2.c [2020-11-28 02:59:36,400 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:59:36,405 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-28 02:59:36,421 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-28 02:59:36,458 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:59:36,462 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:59:36,463 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:59:36,463 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:59:36,463 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:59:36,463 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:59:36,468 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:59:36,468 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:59:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-11-28 02:59:36,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 02:59:36,484 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:36,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 02:59:36,485 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:59:36,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:36,491 INFO L82 PathProgramCache]: Analyzing trace with hash 963476, now seen corresponding path program 1 times [2020-11-28 02:59:36,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:36,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447458091] [2020-11-28 02:59:36,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:36,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:36,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447458091] [2020-11-28 02:59:36,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:36,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 02:59:36,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462871813] [2020-11-28 02:59:36,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:36,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:36,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:36,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:36,748 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2020-11-28 02:59:36,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:36,831 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2020-11-28 02:59:36,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:36,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-28 02:59:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:36,843 INFO L225 Difference]: With dead ends: 28 [2020-11-28 02:59:36,843 INFO L226 Difference]: Without dead ends: 10 [2020-11-28 02:59:36,847 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 [2020-11-28 02:59:36,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-11-28 02:59:36,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-11-28 02:59:36,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-28 02:59:36,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2020-11-28 02:59:36,886 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 4 [2020-11-28 02:59:36,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:36,887 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2020-11-28 02:59:36,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:36,888 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2020-11-28 02:59:36,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 02:59:36,888 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:36,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 02:59:36,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:59:36,891 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:59:36,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:36,895 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2020-11-28 02:59:36,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:36,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369554077] [2020-11-28 02:59:36,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:36,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369554077] [2020-11-28 02:59:36,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:36,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:36,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739842323] [2020-11-28 02:59:36,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:59:36,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:36,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:59:36,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:59:36,969 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 4 states. [2020-11-28 02:59:37,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:37,025 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2020-11-28 02:59:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:59:37,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-11-28 02:59:37,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:37,029 INFO L225 Difference]: With dead ends: 11 [2020-11-28 02:59:37,029 INFO L226 Difference]: Without dead ends: 10 [2020-11-28 02:59:37,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:37,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-11-28 02:59:37,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2020-11-28 02:59:37,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-28 02:59:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2020-11-28 02:59:37,032 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2020-11-28 02:59:37,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:37,033 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2020-11-28 02:59:37,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:59:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2020-11-28 02:59:37,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 02:59:37,033 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:37,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-28 02:59:37,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:59:37,034 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:59:37,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:37,034 INFO L82 PathProgramCache]: Analyzing trace with hash 29867816, now seen corresponding path program 1 times [2020-11-28 02:59:37,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:37,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416321315] [2020-11-28 02:59:37,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:37,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416321315] [2020-11-28 02:59:37,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:37,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:37,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286811853] [2020-11-28 02:59:37,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:37,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:37,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:37,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:37,069 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 3 states. [2020-11-28 02:59:37,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:37,090 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2020-11-28 02:59:37,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:37,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-28 02:59:37,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:37,093 INFO L225 Difference]: With dead ends: 9 [2020-11-28 02:59:37,093 INFO L226 Difference]: Without dead ends: 8 [2020-11-28 02:59:37,093 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 [2020-11-28 02:59:37,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-11-28 02:59:37,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-11-28 02:59:37,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 02:59:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2020-11-28 02:59:37,096 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2020-11-28 02:59:37,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:37,096 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2020-11-28 02:59:37,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2020-11-28 02:59:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 02:59:37,097 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:37,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-28 02:59:37,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:59:37,098 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:59:37,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:37,098 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2020-11-28 02:59:37,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:37,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115921033] [2020-11-28 02:59:37,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:37,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115921033] [2020-11-28 02:59:37,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:37,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:37,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485706779] [2020-11-28 02:59:37,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:37,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:37,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:37,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:37,140 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2020-11-28 02:59:37,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:37,160 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2020-11-28 02:59:37,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:37,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-28 02:59:37,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:37,161 INFO L225 Difference]: With dead ends: 8 [2020-11-28 02:59:37,161 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:59:37,162 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 [2020-11-28 02:59:37,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:59:37,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:59:37,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:59:37,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:59:37,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2020-11-28 02:59:37,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:37,162 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:59:37,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:37,163 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:59:37,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:59:37,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:59:37,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:59:37,219 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2020-11-28 02:59:37,219 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:59:37,219 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-11-28 02:59:37,220 INFO L270 CegarLoopResult]: At program point L19-2(lines 19 21) the Hoare annotation is: (and (<= ULTIMATE.start_main_~i~0 2147483647) (<= ULTIMATE.start_main_~N~0 2147483647) (<= 1 ULTIMATE.start_main_~i~0) (<= ULTIMATE.start_main_~j~0 2147483647)) [2020-11-28 02:59:37,220 INFO L274 CegarLoopResult]: For program point L19-3(lines 19 21) no Hoare annotation was computed. [2020-11-28 02:59:37,220 INFO L270 CegarLoopResult]: At program point L17-2(lines 17 23) the Hoare annotation is: (and (<= ULTIMATE.start_main_~i~0 2147483647) (<= ULTIMATE.start_main_~N~0 2147483647)) [2020-11-28 02:59:37,220 INFO L274 CegarLoopResult]: For program point L17-3(lines 17 23) no Hoare annotation was computed. [2020-11-28 02:59:37,220 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2020-11-28 02:59:37,221 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-11-28 02:59:37,221 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:59:37,221 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:59:37,221 INFO L270 CegarLoopResult]: At program point L24(lines 13 25) the Hoare annotation is: (<= ULTIMATE.start_main_~i~0 2147483647) [2020-11-28 02:59:37,221 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-11-28 02:59:37,221 INFO L274 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-11-28 02:59:37,221 INFO L274 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-11-28 02:59:37,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:59:37 BoogieIcfgContainer [2020-11-28 02:59:37,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:59:37,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:59:37,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:59:37,242 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:59:37,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:36" (3/4) ... [2020-11-28 02:59:37,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:59:37,255 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-28 02:59:37,255 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:59:37,305 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4f259e2c-cbb6-44de-a2a0-2a822048d633/bin/uautomizer/witness.graphml [2020-11-28 02:59:37,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:59:37,309 INFO L168 Benchmark]: Toolchain (without parser) took 1465.04 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.7 MB in the beginning and 51.9 MB in the end (delta: -7.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:37,309 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 79.7 MB. Free memory is still 60.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:37,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.71 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 74.6 MB in the end (delta: -30.1 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:37,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.52 ms. Allocated memory is still 96.5 MB. Free memory was 74.6 MB in the beginning and 73.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:37,312 INFO L168 Benchmark]: Boogie Preprocessor took 17.29 ms. Allocated memory is still 96.5 MB. Free memory was 73.2 MB in the beginning and 72.5 MB in the end (delta: 727.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:37,312 INFO L168 Benchmark]: RCFGBuilder took 242.11 ms. Allocated memory is still 96.5 MB. Free memory was 72.3 MB in the beginning and 63.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:37,313 INFO L168 Benchmark]: TraceAbstraction took 860.30 ms. Allocated memory is still 96.5 MB. Free memory was 63.2 MB in the beginning and 54.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:37,314 INFO L168 Benchmark]: Witness Printer took 65.83 ms. Allocated memory is still 96.5 MB. Free memory was 54.3 MB in the beginning and 51.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:37,321 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 79.7 MB. Free memory is still 60.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 231.71 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 74.6 MB in the end (delta: -30.1 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.52 ms. Allocated memory is still 96.5 MB. Free memory was 74.6 MB in the beginning and 73.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.29 ms. Allocated memory is still 96.5 MB. Free memory was 73.2 MB in the beginning and 72.5 MB in the end (delta: 727.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 242.11 ms. Allocated memory is still 96.5 MB. Free memory was 72.3 MB in the beginning and 63.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 860.30 ms. Allocated memory is still 96.5 MB. Free memory was 63.2 MB in the beginning and 54.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Witness Printer took 65.83 ms. Allocated memory is still 96.5 MB. Free memory was 54.3 MB in the beginning and 51.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: i <= 2147483647 && N <= 2147483647 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((i <= 2147483647 && N <= 2147483647) && 1 <= i) && j <= 2147483647 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: i <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 29 SDslu, 2 SDs, 0 SdLazy, 23 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 23 HoareAnnotationTreeSize, 3 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 correct! Received shutdown request...