./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/jain_7-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/jain_7-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ade330e1989d2647463fc5f5dc123f320dba1b98d7110f982501226d6baf22d1 ..................................................................................................................................................................................................................................................................................................................... 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 0.2.1-dev-e943c26 [2021-10-21 19:30:09,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:30:09,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:30:09,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:30:09,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:30:09,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:30:09,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:30:09,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:30:09,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:30:09,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:30:09,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:30:09,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:30:09,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:30:09,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:30:09,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:30:09,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:30:09,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:30:09,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:30:09,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:30:09,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:30:09,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:30:09,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:30:09,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:30:09,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:30:09,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:30:09,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:30:09,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:30:09,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:30:09,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:30:09,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:30:09,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:30:09,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:30:09,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:30:09,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:30:09,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:30:09,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:30:09,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:30:09,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:30:09,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:30:09,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:30:09,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:30:09,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-21 19:30:09,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:30:09,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:30:09,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:30:09,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:30:09,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:30:09,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:30:09,931 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:30:09,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:30:09,931 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:30:09,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:30:09,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:30:09,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:30:09,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:30:09,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:30:09,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:30:09,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:30:09,935 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-21 19:30:09,935 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:30:09,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:30:09,936 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:30:09,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:30:09,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:30:09,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:30:09,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:30:09,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:30:09,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:30:09,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:30:09,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:30:09,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:30:09,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:30:09,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:30:09,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:30:09,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ade330e1989d2647463fc5f5dc123f320dba1b98d7110f982501226d6baf22d1 [2021-10-21 19:30:10,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:30:10,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:30:10,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:30:10,298 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:30:10,299 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:30:10,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/bitvector/jain_7-1.c [2021-10-21 19:30:10,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/data/dd90315b0/8fed4cdd3dae45299fe2a5dd7c8bf0ba/FLAGc7570a640 [2021-10-21 19:30:10,884 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:30:10,885 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/sv-benchmarks/c/bitvector/jain_7-1.c [2021-10-21 19:30:10,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/data/dd90315b0/8fed4cdd3dae45299fe2a5dd7c8bf0ba/FLAGc7570a640 [2021-10-21 19:30:11,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/data/dd90315b0/8fed4cdd3dae45299fe2a5dd7c8bf0ba [2021-10-21 19:30:11,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:30:11,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:30:11,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:11,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:30:11,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:30:11,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:11" (1/1) ... [2021-10-21 19:30:11,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad67b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11, skipping insertion in model container [2021-10-21 19:30:11,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:11" (1/1) ... [2021-10-21 19:30:11,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:30:11,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:30:11,504 WARN L228 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_0874a9a3-becb-4356-874a-eb6b0bcb6d29/sv-benchmarks/c/bitvector/jain_7-1.c[360,373] [2021-10-21 19:30:11,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:11,548 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:30:11,561 WARN L228 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_0874a9a3-becb-4356-874a-eb6b0bcb6d29/sv-benchmarks/c/bitvector/jain_7-1.c[360,373] [2021-10-21 19:30:11,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:11,579 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:30:11,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11 WrapperNode [2021-10-21 19:30:11,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:11,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:30:11,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:30:11,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:30:11,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11" (1/1) ... [2021-10-21 19:30:11,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11" (1/1) ... [2021-10-21 19:30:11,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:30:11,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:30:11,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:30:11,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:30:11,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11" (1/1) ... [2021-10-21 19:30:11,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11" (1/1) ... [2021-10-21 19:30:11,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11" (1/1) ... [2021-10-21 19:30:11,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11" (1/1) ... [2021-10-21 19:30:11,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11" (1/1) ... [2021-10-21 19:30:11,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11" (1/1) ... [2021-10-21 19:30:11,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11" (1/1) ... [2021-10-21 19:30:11,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:30:11,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:30:11,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:30:11,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:30:11,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11" (1/1) ... [2021-10-21 19:30:11,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:30:11,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:11,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:11,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:30:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:30:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:30:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:30:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:30:12,047 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:30:12,047 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:30:12,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:12 BoogieIcfgContainer [2021-10-21 19:30:12,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:30:12,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:30:12,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:30:12,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:30:12,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:30:11" (1/3) ... [2021-10-21 19:30:12,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eebd3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:30:12, skipping insertion in model container [2021-10-21 19:30:12,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:11" (2/3) ... [2021-10-21 19:30:12,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eebd3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:30:12, skipping insertion in model container [2021-10-21 19:30:12,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:12" (3/3) ... [2021-10-21 19:30:12,061 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_7-1.c [2021-10-21 19:30:12,067 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:30:12,067 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2021-10-21 19:30:12,122 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:30:12,130 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:30:12,135 INFO L340 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2021-10-21 19:30:12,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 28 states have (on average 1.8214285714285714) internal successors, (51), 48 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:12,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-21 19:30:12,159 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:12,160 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-21 19:30:12,160 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2021-10-21 19:30:12,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:12,167 INFO L82 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2021-10-21 19:30:12,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:12,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726007247] [2021-10-21 19:30:12,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:12,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:12,382 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:12,462 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:12,468 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:30:12,470 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,475 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,476 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,477 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,478 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,479 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,480 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,481 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,481 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,481 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,482 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:30:12,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:30:12,503 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:30:12,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:30:12 BoogieIcfgContainer [2021-10-21 19:30:12,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:30:12,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:30:12,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:30:12,534 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:30:12,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:12" (3/4) ... [2021-10-21 19:30:12,537 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 19:30:12,591 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:30:12,591 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:30:12,594 INFO L168 Benchmark]: Toolchain (without parser) took 1317.97 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 70.2 MB in the beginning and 67.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:12,594 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory was 55.1 MB in the beginning and 55.1 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:12,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.61 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 70.0 MB in the beginning and 96.7 MB in the end (delta: -26.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:12,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.47 ms. Allocated memory is still 121.6 MB. Free memory was 96.7 MB in the beginning and 95.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:12,603 INFO L168 Benchmark]: Boogie Preprocessor took 35.27 ms. Allocated memory is still 121.6 MB. Free memory was 95.0 MB in the beginning and 94.1 MB in the end (delta: 858.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:12,603 INFO L168 Benchmark]: RCFGBuilder took 396.59 ms. Allocated memory is still 121.6 MB. Free memory was 94.1 MB in the beginning and 83.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:12,604 INFO L168 Benchmark]: TraceAbstraction took 476.95 ms. Allocated memory is still 121.6 MB. Free memory was 82.8 MB in the beginning and 69.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:12,605 INFO L168 Benchmark]: Witness Printer took 58.04 ms. Allocated memory is still 121.6 MB. Free memory was 68.6 MB in the beginning and 67.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:12,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory was 55.1 MB in the beginning and 55.1 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 302.61 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 70.0 MB in the beginning and 96.7 MB in the end (delta: -26.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.47 ms. Allocated memory is still 121.6 MB. Free memory was 96.7 MB in the beginning and 95.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.27 ms. Allocated memory is still 121.6 MB. Free memory was 95.0 MB in the beginning and 94.1 MB in the end (delta: 858.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 396.59 ms. Allocated memory is still 121.6 MB. Free memory was 94.1 MB in the beginning and 83.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 476.95 ms. Allocated memory is still 121.6 MB. Free memory was 82.8 MB in the beginning and 69.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 58.04 ms. Allocated memory is still 121.6 MB. Free memory was 68.6 MB in the beginning and 67.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x,y,z; [L16] x=0 [L17] y=0 [L18] z=0 [L20] COND TRUE 1 [L22] 1048576*__VERIFIER_nondet_int() - UnprovableResult [Line: 22]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 22]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 22]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 380.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.6ms SsaConstructionTime, 73.6ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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! [2021-10-21 19:30:12,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0874a9a3-becb-4356-874a-eb6b0bcb6d29/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...