./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/jain_2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI --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 32bit --witnessprinter.graph.data.programhash f4eb277d9b293d9af15e665be884168bcf6d6805 ................................................................................................................................................................................................................................................ 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 0.2.0-7b2dab5 [2021-10-11 02:24:35,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:35,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:35,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:35,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:35,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:35,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:35,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:35,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:35,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:35,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:35,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:35,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:35,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:35,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:35,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:35,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:35,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:35,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:35,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:35,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:35,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:35,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:35,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:35,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:35,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:35,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:35,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:35,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:35,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:35,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:35,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:35,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:35,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:35,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:35,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:35,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:35,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:35,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:35,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:35,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:35,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-11 02:24:35,934 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:35,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:35,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:35,936 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:35,936 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:35,937 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:35,937 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:24:35,937 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:35,937 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:35,938 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:24:35,938 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:24:35,938 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:35,938 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:24:35,939 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:24:35,939 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:24:35,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:35,940 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:35,940 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:24:35,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:24:35,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:35,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:35,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:35,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:35,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:35,942 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 02:24:35,943 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:35,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:35,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:35,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:35,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:35,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:35,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:35,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:35,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:35,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:35,945 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:24:35,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:24:35,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:35,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:35,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:35,947 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_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4eb277d9b293d9af15e665be884168bcf6d6805 [2021-10-11 02:24:36,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:36,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:36,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:36,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:36,248 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:36,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/bitvector/jain_2-2.c [2021-10-11 02:24:36,340 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/data/2f59ef57d/e12be64e5db346c88848939e1c002411/FLAG56d698b65 [2021-10-11 02:24:36,877 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:36,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/sv-benchmarks/c/bitvector/jain_2-2.c [2021-10-11 02:24:36,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/data/2f59ef57d/e12be64e5db346c88848939e1c002411/FLAG56d698b65 [2021-10-11 02:24:37,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/data/2f59ef57d/e12be64e5db346c88848939e1c002411 [2021-10-11 02:24:37,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:37,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:37,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:37,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:37,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:37,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:37" (1/1) ... [2021-10-11 02:24:37,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f27201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37, skipping insertion in model container [2021-10-11 02:24:37,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:37" (1/1) ... [2021-10-11 02:24:37,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:37,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:37,434 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/sv-benchmarks/c/bitvector/jain_2-2.c[360,373] [2021-10-11 02:24:37,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:37,468 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:24:37,479 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/sv-benchmarks/c/bitvector/jain_2-2.c[360,373] [2021-10-11 02:24:37,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:37,497 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:24:37,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37 WrapperNode [2021-10-11 02:24:37,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:37,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:37,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:24:37,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:24:37,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37" (1/1) ... [2021-10-11 02:24:37,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37" (1/1) ... [2021-10-11 02:24:37,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:37,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:24:37,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:24:37,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:24:37,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37" (1/1) ... [2021-10-11 02:24:37,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37" (1/1) ... [2021-10-11 02:24:37,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37" (1/1) ... [2021-10-11 02:24:37,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37" (1/1) ... [2021-10-11 02:24:37,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37" (1/1) ... [2021-10-11 02:24:37,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37" (1/1) ... [2021-10-11 02:24:37,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37" (1/1) ... [2021-10-11 02:24:37,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:24:37,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:24:37,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:24:37,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:24:37,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:24:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:24:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:24:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:24:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:24:38,044 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:24:38,045 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 02:24:38,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:38 BoogieIcfgContainer [2021-10-11 02:24:38,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:24:38,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:24:38,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:24:38,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:24:38,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:24:37" (1/3) ... [2021-10-11 02:24:38,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64364277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:38, skipping insertion in model container [2021-10-11 02:24:38,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:37" (2/3) ... [2021-10-11 02:24:38,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64364277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:38, skipping insertion in model container [2021-10-11 02:24:38,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:38" (3/3) ... [2021-10-11 02:24:38,073 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_2-2.c [2021-10-11 02:24:38,088 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:24:38,092 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2021-10-11 02:24:38,104 INFO L253 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-10-11 02:24:38,132 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:24:38,132 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:24:38,132 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:24:38,132 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:24:38,133 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:24:38,133 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:24:38,133 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:24:38,133 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:24:38,150 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2021-10-11 02:24:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-11 02:24:38,156 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:38,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-11 02:24:38,170 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_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.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 02:24:38,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:38,179 INFO L82 PathProgramCache]: Analyzing trace with hash 76272, now seen corresponding path program 1 times [2021-10-11 02:24:38,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:24:38,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804043558] [2021-10-11 02:24:38,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:24:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:24:38,302 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:24:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:24:38,320 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:24:38,340 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:24:38,341 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:24:38,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:24:38,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:24:38 BoogieIcfgContainer [2021-10-11 02:24:38,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:24:38,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:24:38,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:24:38,363 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:24:38,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:38" (3/4) ... [2021-10-11 02:24:38,367 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:24:38,401 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c152db3a-d44e-4054-ad97-f04c90451077/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:24:38,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:24:38,404 INFO L168 Benchmark]: Toolchain (without parser) took 1160.41 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 61.7 MB in the beginning and 89.3 MB in the end (delta: -27.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:38,404 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory was 49.1 MB in the beginning and 49.1 MB in the end (delta: 43.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:38,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.04 ms. Allocated memory is still 94.4 MB. Free memory was 61.5 MB in the beginning and 71.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:38,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.89 ms. Allocated memory is still 94.4 MB. Free memory was 71.2 MB in the beginning and 69.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:38,407 INFO L168 Benchmark]: Boogie Preprocessor took 34.31 ms. Allocated memory is still 94.4 MB. Free memory was 69.7 MB in the beginning and 68.8 MB in the end (delta: 946.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:38,408 INFO L168 Benchmark]: RCFGBuilder took 478.39 ms. Allocated memory is still 94.4 MB. Free memory was 68.8 MB in the beginning and 52.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:38,409 INFO L168 Benchmark]: TraceAbstraction took 313.24 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 52.4 MB in the beginning and 91.1 MB in the end (delta: -38.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:38,409 INFO L168 Benchmark]: Witness Printer took 38.48 ms. Allocated memory is still 117.4 MB. Free memory was 91.1 MB in the beginning and 89.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:38,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory was 49.1 MB in the beginning and 49.1 MB in the end (delta: 43.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 255.04 ms. Allocated memory is still 94.4 MB. Free memory was 61.5 MB in the beginning and 71.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.89 ms. Allocated memory is still 94.4 MB. Free memory was 71.2 MB in the beginning and 69.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.31 ms. Allocated memory is still 94.4 MB. Free memory was 69.7 MB in the beginning and 68.8 MB in the end (delta: 946.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 478.39 ms. Allocated memory is still 94.4 MB. Free memory was 68.8 MB in the beginning and 52.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 313.24 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 52.4 MB in the beginning and 91.1 MB in the end (delta: -38.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 38.48 ms. Allocated memory is still 117.4 MB. Free memory was 91.1 MB in the beginning and 89.3 MB in the end (delta: 1.7 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: 21]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x,y; [L16] x = 1 [L17] y = 1 [L19] COND TRUE 1 [L21] 2*__VERIFIER_nondet_int() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...