./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i -s /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 836105bf2d2cb5db07e9d2fc670fa9e989ff3845 ................................................................................................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 15:21:27,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:21:27,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:21:27,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:21:27,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:21:27,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:21:27,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:21:27,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:21:27,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:21:27,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:21:27,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:21:27,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:21:27,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:21:27,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:21:27,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:21:27,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:21:27,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:21:27,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:21:27,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:21:27,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:21:27,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:21:27,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:21:27,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:21:27,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:21:27,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:21:27,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:21:27,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:21:27,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:21:27,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:21:27,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:21:27,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:21:27,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:21:27,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:21:27,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:21:27,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:21:27,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:21:27,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:21:27,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:21:27,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:21:27,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:21:27,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:21:27,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-12-01 15:21:27,518 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:21:27,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:21:27,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:21:27,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:21:27,521 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:21:27,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:21:27,521 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:21:27,521 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:21:27,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:21:27,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:21:27,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:21:27,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:21:27,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:21:27,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:21:27,523 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 15:21:27,523 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:21:27,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:21:27,524 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:21:27,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:21:27,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:21:27,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:21:27,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:21:27,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:21:27,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:21:27,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:21:27,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:21:27,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:21:27,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:21:27,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:21:27,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:21:27,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:21:27,527 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_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836105bf2d2cb5db07e9d2fc670fa9e989ff3845 [2020-12-01 15:21:27,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:21:27,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:21:27,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:21:27,863 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:21:27,864 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:21:27,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer/../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2020-12-01 15:21:27,945 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer/data/7b873350d/a1c3a06623be4a759e91ce177f7e9a2d/FLAGd66ee2f98 [2020-12-01 15:21:28,420 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:21:28,421 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2020-12-01 15:21:28,427 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer/data/7b873350d/a1c3a06623be4a759e91ce177f7e9a2d/FLAGd66ee2f98 [2020-12-01 15:21:28,814 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer/data/7b873350d/a1c3a06623be4a759e91ce177f7e9a2d [2020-12-01 15:21:28,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:21:28,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:21:28,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:21:28,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:21:28,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:21:28,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:21:28" (1/1) ... [2020-12-01 15:21:28,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6753585f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:28, skipping insertion in model container [2020-12-01 15:21:28,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:21:28" (1/1) ... [2020-12-01 15:21:28,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:21:28,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:21:29,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:21:29,104 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:21:29,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:21:29,137 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:21:29,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:29 WrapperNode [2020-12-01 15:21:29,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:21:29,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:21:29,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:21:29,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:21:29,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:29" (1/1) ... [2020-12-01 15:21:29,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:29" (1/1) ... [2020-12-01 15:21:29,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:21:29,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:21:29,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:21:29,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:21:29,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:29" (1/1) ... [2020-12-01 15:21:29,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:29" (1/1) ... [2020-12-01 15:21:29,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:29" (1/1) ... [2020-12-01 15:21:29,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:29" (1/1) ... [2020-12-01 15:21:29,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:29" (1/1) ... [2020-12-01 15:21:29,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:29" (1/1) ... [2020-12-01 15:21:29,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:29" (1/1) ... [2020-12-01 15:21:29,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:21:29,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:21:29,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:21:29,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:21:29,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/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 [2020-12-01 15:21:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:21:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:21:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:21:29,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:21:29,547 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:21:29,548 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:21:29,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:21:29 BoogieIcfgContainer [2020-12-01 15:21:29,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:21:29,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:21:29,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:21:29,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:21:29,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:21:28" (1/3) ... [2020-12-01 15:21:29,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5860555f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:21:29, skipping insertion in model container [2020-12-01 15:21:29,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:29" (2/3) ... [2020-12-01 15:21:29,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5860555f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:21:29, skipping insertion in model container [2020-12-01 15:21:29,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:21:29" (3/3) ... [2020-12-01 15:21:29,571 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark44_disjunctive.i [2020-12-01 15:21:29,596 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:21:29,599 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2020-12-01 15:21:29,609 INFO L253 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-12-01 15:21:29,636 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:21:29,636 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:21:29,636 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:21:29,636 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:21:29,636 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:21:29,637 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:21:29,637 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:21:29,637 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:21:29,656 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-12-01 15:21:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 15:21:29,661 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:29,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:21:29,663 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:21:29,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:29,669 INFO L82 PathProgramCache]: Analyzing trace with hash 889575245, now seen corresponding path program 1 times [2020-12-01 15:21:29,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:29,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378117166] [2020-12-01 15:21:29,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:21:29,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378117166] [2020-12-01 15:21:29,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:29,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:21:29,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148044358] [2020-12-01 15:21:29,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:29,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:29,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:29,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:29,841 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 3 states. [2020-12-01 15:21:29,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:29,928 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2020-12-01 15:21:29,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:29,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-01 15:21:29,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:29,939 INFO L225 Difference]: With dead ends: 56 [2020-12-01 15:21:29,939 INFO L226 Difference]: Without dead ends: 34 [2020-12-01 15:21:29,942 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 [2020-12-01 15:21:29,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-01 15:21:29,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-12-01 15:21:29,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-12-01 15:21:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2020-12-01 15:21:29,973 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 6 [2020-12-01 15:21:29,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:29,974 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2020-12-01 15:21:29,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2020-12-01 15:21:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 15:21:29,975 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:29,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:21:29,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:21:29,976 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:21:29,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:29,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1807028872, now seen corresponding path program 1 times [2020-12-01 15:21:29,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:29,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934682596] [2020-12-01 15:21:29,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:30,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:21:30,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934682596] [2020-12-01 15:21:30,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:30,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:21:30,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464069012] [2020-12-01 15:21:30,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:30,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:30,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:30,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:30,023 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 3 states. [2020-12-01 15:21:30,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:30,062 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2020-12-01 15:21:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:30,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-01 15:21:30,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:30,064 INFO L225 Difference]: With dead ends: 34 [2020-12-01 15:21:30,064 INFO L226 Difference]: Without dead ends: 31 [2020-12-01 15:21:30,065 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 [2020-12-01 15:21:30,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-01 15:21:30,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-01 15:21:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-01 15:21:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2020-12-01 15:21:30,072 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 7 [2020-12-01 15:21:30,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:30,072 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2020-12-01 15:21:30,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:30,072 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-12-01 15:21:30,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 15:21:30,073 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:30,073 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:21:30,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:21:30,074 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-01 15:21:30,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:30,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1807039186, now seen corresponding path program 1 times [2020-12-01 15:21:30,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:30,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356328708] [2020-12-01 15:21:30,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:21:30,096 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:21:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:21:30,114 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:21:30,131 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:21:30,132 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:21:30,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:21:30,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:21:30 BoogieIcfgContainer [2020-12-01 15:21:30,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:21:30,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:21:30,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:21:30,155 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:21:30,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:21:29" (3/4) ... [2020-12-01 15:21:30,157 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 15:21:30,189 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_46ccf052-ca10-475e-9f77-b5d2ff2cc33e/bin/uautomizer/witness.graphml [2020-12-01 15:21:30,189 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:21:30,191 INFO L168 Benchmark]: Toolchain (without parser) took 1370.11 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 60.3 MB in the beginning and 71.9 MB in the end (delta: -11.5 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:21:30,192 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 50.0 MB in the beginning and 50.0 MB in the end (delta: 34.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:21:30,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.36 ms. Allocated memory is still 92.3 MB. Free memory was 60.2 MB in the beginning and 69.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:21:30,194 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.45 ms. Allocated memory is still 92.3 MB. Free memory was 69.3 MB in the beginning and 67.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:21:30,194 INFO L168 Benchmark]: Boogie Preprocessor took 21.05 ms. Allocated memory is still 92.3 MB. Free memory was 67.5 MB in the beginning and 66.7 MB in the end (delta: 823.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:21:30,195 INFO L168 Benchmark]: RCFGBuilder took 355.10 ms. Allocated memory is still 92.3 MB. Free memory was 66.7 MB in the beginning and 51.8 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:21:30,196 INFO L168 Benchmark]: TraceAbstraction took 602.07 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.5 MB in the beginning and 74.0 MB in the end (delta: -22.5 MB). Peak memory consumption was 9.6 kB. Max. memory is 16.1 GB. [2020-12-01 15:21:30,196 INFO L168 Benchmark]: Witness Printer took 35.50 ms. Allocated memory is still 111.1 MB. Free memory was 74.0 MB in the beginning and 71.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:21:30,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 50.0 MB in the beginning and 50.0 MB in the end (delta: 34.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 315.36 ms. Allocated memory is still 92.3 MB. Free memory was 60.2 MB in the beginning and 69.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.45 ms. Allocated memory is still 92.3 MB. Free memory was 69.3 MB in the beginning and 67.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.05 ms. Allocated memory is still 92.3 MB. Free memory was 67.5 MB in the beginning and 66.7 MB in the end (delta: 823.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 355.10 ms. Allocated memory is still 92.3 MB. Free memory was 66.7 MB in the beginning and 51.8 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 602.07 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.5 MB in the beginning and 74.0 MB in the end (delta: -22.5 MB). Peak memory consumption was 9.6 kB. Max. memory is 16.1 GB. * Witness Printer took 35.50 ms. Allocated memory is still 111.1 MB. Free memory was 74.0 MB in the beginning and 71.9 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: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x=0)) [L30] x+10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 14 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 SDtfs, 28 SDslu, 25 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...