./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9f16087843ad8a83da47d6a6a4e9d674fa79150d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:55:50,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:55:50,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:55:51,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:55:51,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:55:51,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:55:51,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:55:51,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:55:51,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:55:51,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:55:51,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:55:51,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:55:51,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:55:51,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:55:51,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:55:51,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:55:51,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:55:51,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:55:51,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:55:51,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:55:51,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:55:51,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:55:51,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:55:51,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:55:51,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:55:51,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:55:51,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:55:51,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:55:51,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:55:51,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:55:51,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:55:51,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:55:51,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:55:51,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:55:51,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:55:51,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:55:51,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:55:51,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:55:51,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:55:51,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:55:51,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:55:51,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-11-30 01:55:51,203 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:55:51,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:55:51,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:55:51,206 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:55:51,206 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:55:51,206 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:55:51,207 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:55:51,207 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:55:51,207 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:55:51,208 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:55:51,209 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:55:51,209 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:55:51,210 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:55:51,210 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:55:51,210 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:55:51,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:55:51,212 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:55:51,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:55:51,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:55:51,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:55:51,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:55:51,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:55:51,213 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 01:55:51,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:55:51,214 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:55:51,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:55:51,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:55:51,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:55:51,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:55:51,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:55:51,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:55:51,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:55:51,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:55:51,219 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:55:51,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:55:51,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:55:51,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:55:51,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:55:51,221 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f16087843ad8a83da47d6a6a4e9d674fa79150d [2020-11-30 01:55:51,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:55:51,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:55:51,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:55:51,621 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:55:51,624 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:55:51,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-11-30 01:55:51,712 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/data/b026ba660/a43312f693ec490d8ebbe24cebedc749/FLAGa3e0dc5e3 [2020-11-30 01:55:52,292 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:55:52,293 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-11-30 01:55:52,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/data/b026ba660/a43312f693ec490d8ebbe24cebedc749/FLAGa3e0dc5e3 [2020-11-30 01:55:52,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/data/b026ba660/a43312f693ec490d8ebbe24cebedc749 [2020-11-30 01:55:52,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:55:52,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:55:52,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:55:52,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:55:52,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:55:52,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:55:52" (1/1) ... [2020-11-30 01:55:52,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bffbad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52, skipping insertion in model container [2020-11-30 01:55:52,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:55:52" (1/1) ... [2020-11-30 01:55:52,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:55:52,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:55:52,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:55:52,877 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:55:52,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:55:52,940 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:55:52,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52 WrapperNode [2020-11-30 01:55:52,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:55:52,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:55:52,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:55:52,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:55:52,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52" (1/1) ... [2020-11-30 01:55:52,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52" (1/1) ... [2020-11-30 01:55:52,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:55:52,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:55:52,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:55:52,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:55:52,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52" (1/1) ... [2020-11-30 01:55:52,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52" (1/1) ... [2020-11-30 01:55:52,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52" (1/1) ... [2020-11-30 01:55:52,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52" (1/1) ... [2020-11-30 01:55:52,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52" (1/1) ... [2020-11-30 01:55:53,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52" (1/1) ... [2020-11-30 01:55:53,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52" (1/1) ... [2020-11-30 01:55:53,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:55:53,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:55:53,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:55:53,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:55:53,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:55:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:55:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:55:53,436 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:55:53,436 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 01:55:53,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:55:53 BoogieIcfgContainer [2020-11-30 01:55:53,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:55:53,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:55:53,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:55:53,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:55:53,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:55:52" (1/3) ... [2020-11-30 01:55:53,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6a8e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:55:53, skipping insertion in model container [2020-11-30 01:55:53,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:55:52" (2/3) ... [2020-11-30 01:55:53,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6a8e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:55:53, skipping insertion in model container [2020-11-30 01:55:53,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:55:53" (3/3) ... [2020-11-30 01:55:53,473 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-11-30 01:55:53,487 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:55:53,492 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2020-11-30 01:55:53,508 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-11-30 01:55:53,549 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:55:53,550 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:55:53,550 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:55:53,550 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:55:53,551 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:55:53,551 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:55:53,551 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:55:53,551 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:55:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-11-30 01:55:53,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 01:55:53,574 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:55:53,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 01:55:53,575 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:55:53,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:55:53,583 INFO L82 PathProgramCache]: Analyzing trace with hash 965081, now seen corresponding path program 1 times [2020-11-30 01:55:53,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:55:53,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508864631] [2020-11-30 01:55:53,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:55:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:55:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:55:53,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508864631] [2020-11-30 01:55:53,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:55:53,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:55:53,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193029395] [2020-11-30 01:55:53,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:55:53,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:55:53,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:55:53,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:55:53,788 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2020-11-30 01:55:53,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:55:53,939 INFO L93 Difference]: Finished difference Result 50 states and 59 transitions. [2020-11-30 01:55:53,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:55:53,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-30 01:55:53,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:55:53,954 INFO L225 Difference]: With dead ends: 50 [2020-11-30 01:55:53,954 INFO L226 Difference]: Without dead ends: 46 [2020-11-30 01:55:53,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:55:53,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-30 01:55:54,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39. [2020-11-30 01:55:54,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-30 01:55:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2020-11-30 01:55:54,024 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 4 [2020-11-30 01:55:54,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:55:54,025 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2020-11-30 01:55:54,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:55:54,025 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2020-11-30 01:55:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 01:55:54,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:55:54,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-30 01:55:54,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:55:54,027 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:55:54,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:55:54,028 INFO L82 PathProgramCache]: Analyzing trace with hash 29869546, now seen corresponding path program 1 times [2020-11-30 01:55:54,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:55:54,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232518531] [2020-11-30 01:55:54,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:55:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:55:54,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:55:54,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232518531] [2020-11-30 01:55:54,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:55:54,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:55:54,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286229446] [2020-11-30 01:55:54,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:55:54,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:55:54,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:55:54,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:55:54,087 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand 4 states. [2020-11-30 01:55:54,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:55:54,384 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2020-11-30 01:55:54,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:55:54,385 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-11-30 01:55:54,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:55:54,387 INFO L225 Difference]: With dead ends: 59 [2020-11-30 01:55:54,387 INFO L226 Difference]: Without dead ends: 55 [2020-11-30 01:55:54,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:55:54,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-30 01:55:54,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 47. [2020-11-30 01:55:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-30 01:55:54,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2020-11-30 01:55:54,399 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 60 transitions. Word has length 5 [2020-11-30 01:55:54,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:55:54,400 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 60 transitions. [2020-11-30 01:55:54,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:55:54,400 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-11-30 01:55:54,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 01:55:54,401 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:55:54,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-30 01:55:54,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:55:54,402 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:55:54,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:55:54,403 INFO L82 PathProgramCache]: Analyzing trace with hash 29917595, now seen corresponding path program 1 times [2020-11-30 01:55:54,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:55:54,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029847964] [2020-11-30 01:55:54,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:55:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:55:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:55:54,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029847964] [2020-11-30 01:55:54,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:55:54,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-30 01:55:54,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635834757] [2020-11-30 01:55:54,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:55:54,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:55:54,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:55:54,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:55:54,449 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. Second operand 3 states. [2020-11-30 01:55:54,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:55:54,504 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2020-11-30 01:55:54,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:55:54,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-30 01:55:54,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:55:54,506 INFO L225 Difference]: With dead ends: 47 [2020-11-30 01:55:54,506 INFO L226 Difference]: Without dead ends: 44 [2020-11-30 01:55:54,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:55:54,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-11-30 01:55:54,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-11-30 01:55:54,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-30 01:55:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2020-11-30 01:55:54,517 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 5 [2020-11-30 01:55:54,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:55:54,518 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2020-11-30 01:55:54,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:55:54,518 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2020-11-30 01:55:54,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 01:55:54,519 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:55:54,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:55:54,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:55:54,519 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:55:54,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:55:54,520 INFO L82 PathProgramCache]: Analyzing trace with hash 925955982, now seen corresponding path program 1 times [2020-11-30 01:55:54,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:55:54,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144973903] [2020-11-30 01:55:54,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:55:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:55:54,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:55:54,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144973903] [2020-11-30 01:55:54,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:55:54,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:55:54,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507501852] [2020-11-30 01:55:54,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:55:54,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:55:54,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:55:54,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:55:54,569 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 3 states. [2020-11-30 01:55:54,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:55:54,631 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2020-11-30 01:55:54,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:55:54,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-30 01:55:54,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:55:54,633 INFO L225 Difference]: With dead ends: 103 [2020-11-30 01:55:54,633 INFO L226 Difference]: Without dead ends: 60 [2020-11-30 01:55:54,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:55:54,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-30 01:55:54,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2020-11-30 01:55:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-11-30 01:55:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2020-11-30 01:55:54,645 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 6 [2020-11-30 01:55:54,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:55:54,646 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2020-11-30 01:55:54,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:55:54,646 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2020-11-30 01:55:54,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 01:55:54,651 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:55:54,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:55:54,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:55:54,652 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:55:54,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:55:54,653 INFO L82 PathProgramCache]: Analyzing trace with hash 925961940, now seen corresponding path program 1 times [2020-11-30 01:55:54,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:55:54,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555211973] [2020-11-30 01:55:54,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:55:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:55:54,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:55:54,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555211973] [2020-11-30 01:55:54,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:55:54,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-30 01:55:54,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267437857] [2020-11-30 01:55:54,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:55:54,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:55:54,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:55:54,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:55:54,732 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand 3 states. [2020-11-30 01:55:54,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:55:54,782 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2020-11-30 01:55:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:55:54,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-30 01:55:54,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:55:54,784 INFO L225 Difference]: With dead ends: 58 [2020-11-30 01:55:54,784 INFO L226 Difference]: Without dead ends: 57 [2020-11-30 01:55:54,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:55:54,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-30 01:55:54,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-30 01:55:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-30 01:55:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2020-11-30 01:55:54,810 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 6 [2020-11-30 01:55:54,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:55:54,811 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2020-11-30 01:55:54,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:55:54,812 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2020-11-30 01:55:54,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 01:55:54,812 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:55:54,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:55:54,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:55:54,814 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:55:54,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:55:54,816 INFO L82 PathProgramCache]: Analyzing trace with hash 927445531, now seen corresponding path program 1 times [2020-11-30 01:55:54,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:55:54,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871341417] [2020-11-30 01:55:54,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:55:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:55:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:55:54,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871341417] [2020-11-30 01:55:54,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:55:54,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-30 01:55:54,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928785532] [2020-11-30 01:55:54,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:55:54,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:55:54,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:55:54,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:55:54,845 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand 3 states. [2020-11-30 01:55:54,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:55:54,933 INFO L93 Difference]: Finished difference Result 66 states and 84 transitions. [2020-11-30 01:55:54,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:55:54,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-30 01:55:54,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:55:54,939 INFO L225 Difference]: With dead ends: 66 [2020-11-30 01:55:54,939 INFO L226 Difference]: Without dead ends: 65 [2020-11-30 01:55:54,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:55:54,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-11-30 01:55:54,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57. [2020-11-30 01:55:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-30 01:55:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2020-11-30 01:55:54,962 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 6 [2020-11-30 01:55:54,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:55:54,962 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2020-11-30 01:55:54,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:55:54,963 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2020-11-30 01:55:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:55:54,963 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:55:54,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:55:54,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:55:54,964 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:55:54,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:55:54,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1313959523, now seen corresponding path program 1 times [2020-11-30 01:55:54,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:55:54,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589995512] [2020-11-30 01:55:54,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:55:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:55:55,001 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:55:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:55:55,016 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:55:55,036 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-30 01:55:55,037 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:55:55,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:55:55,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:55:55 BoogieIcfgContainer [2020-11-30 01:55:55,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:55:55,060 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:55:55,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:55:55,061 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:55:55,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:55:53" (3/4) ... [2020-11-30 01:55:55,064 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 01:55:55,118 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a96d0641-6d50-41a7-8e0c-1f60bb09b6e5/bin/utaipan/witness.graphml [2020-11-30 01:55:55,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:55:55,123 INFO L168 Benchmark]: Toolchain (without parser) took 2496.33 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 63.0 MB in the beginning and 94.7 MB in the end (delta: -31.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:55:55,124 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory is still 78.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:55:55,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.77 ms. Allocated memory is still 98.6 MB. Free memory was 62.8 MB in the beginning and 76.0 MB in the end (delta: -13.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:55:55,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.22 ms. Allocated memory is still 98.6 MB. Free memory was 76.0 MB in the beginning and 74.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:55:55,127 INFO L168 Benchmark]: Boogie Preprocessor took 21.02 ms. Allocated memory is still 98.6 MB. Free memory was 74.6 MB in the beginning and 73.7 MB in the end (delta: 864.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:55:55,129 INFO L168 Benchmark]: RCFGBuilder took 432.68 ms. Allocated memory is still 98.6 MB. Free memory was 73.7 MB in the beginning and 60.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:55:55,129 INFO L168 Benchmark]: TraceAbstraction took 1618.06 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 60.3 MB in the beginning and 96.8 MB in the end (delta: -36.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:55:55,130 INFO L168 Benchmark]: Witness Printer took 60.72 ms. Allocated memory is still 123.7 MB. Free memory was 96.8 MB in the beginning and 94.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:55:55,139 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 98.6 MB. Free memory is still 78.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 313.77 ms. Allocated memory is still 98.6 MB. Free memory was 62.8 MB in the beginning and 76.0 MB in the end (delta: -13.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.22 ms. Allocated memory is still 98.6 MB. Free memory was 76.0 MB in the beginning and 74.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.02 ms. Allocated memory is still 98.6 MB. Free memory was 74.6 MB in the beginning and 73.7 MB in the end (delta: 864.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 432.68 ms. Allocated memory is still 98.6 MB. Free memory was 73.7 MB in the beginning and 60.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1618.06 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 60.3 MB in the beginning and 96.8 MB in the end (delta: -36.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 60.72 ms. Allocated memory is still 123.7 MB. Free memory was 96.8 MB in the beginning and 94.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 [L17] COND FALSE !(b < a) [L29] EXPR a + 2 [L29] a = a + 2 [L30] b - 10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.4s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 101 SDtfs, 121 SDslu, 40 SDs, 0 SdLazy, 166 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 25 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...