./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-010.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-010.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 640a783723611579b83c52815cf6509f37b9a5bb ................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:40:52,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:40:52,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:40:52,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:40:52,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:40:52,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:40:52,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:40:52,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:40:52,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:40:52,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:40:52,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:40:52,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:40:52,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:40:52,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:40:52,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:40:52,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:40:52,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:40:52,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:40:52,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:40:52,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:40:52,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:40:52,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:40:52,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:40:52,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:40:52,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:40:52,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:40:52,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:40:52,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:40:52,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:40:52,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:40:52,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:40:52,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:40:52,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:40:52,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:40:52,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:40:52,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:40:52,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:40:52,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:40:52,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:40:52,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:40:52,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:40:52,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:40:52,881 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:40:52,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:40:52,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:40:52,884 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:40:52,884 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:40:52,884 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:40:52,885 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:40:52,885 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:40:52,885 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:40:52,885 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:40:52,887 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:40:52,887 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:40:52,888 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:40:52,888 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:40:52,888 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:40:52,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:40:52,890 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:40:52,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:40:52,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:40:52,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:40:52,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:40:52,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:40:52,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:40:52,892 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:40:52,892 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:40:52,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:40:52,893 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:40:52,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:40:52,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:40:52,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:40:52,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:40:52,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:40:52,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:40:52,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:40:52,897 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:40:52,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:40:52,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:40:52,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:40:52,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:40:52,899 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_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 640a783723611579b83c52815cf6509f37b9a5bb [2021-10-13 07:40:53,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:40:53,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:40:53,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:40:53,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:40:53,206 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:40:53,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/xcsp/AllInterval-010.c [2021-10-13 07:40:53,276 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/data/12195ef0f/fddea3d7322149e182643feb0466bfbd/FLAG17df6a4d4 [2021-10-13 07:40:53,834 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:40:53,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/sv-benchmarks/c/xcsp/AllInterval-010.c [2021-10-13 07:40:53,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/data/12195ef0f/fddea3d7322149e182643feb0466bfbd/FLAG17df6a4d4 [2021-10-13 07:40:54,130 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/data/12195ef0f/fddea3d7322149e182643feb0466bfbd [2021-10-13 07:40:54,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:40:54,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:40:54,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:40:54,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:40:54,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:40:54,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:40:54" (1/1) ... [2021-10-13 07:40:54,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1011a061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54, skipping insertion in model container [2021-10-13 07:40:54,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:40:54" (1/1) ... [2021-10-13 07:40:54,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:40:54,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:40:54,514 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_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/sv-benchmarks/c/xcsp/AllInterval-010.c[5778,5791] [2021-10-13 07:40:54,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:40:54,543 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:40:54,597 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_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/sv-benchmarks/c/xcsp/AllInterval-010.c[5778,5791] [2021-10-13 07:40:54,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:40:54,618 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:40:54,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54 WrapperNode [2021-10-13 07:40:54,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:40:54,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:40:54,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:40:54,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:40:54,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54" (1/1) ... [2021-10-13 07:40:54,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54" (1/1) ... [2021-10-13 07:40:54,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:40:54,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:40:54,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:40:54,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:40:54,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54" (1/1) ... [2021-10-13 07:40:54,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54" (1/1) ... [2021-10-13 07:40:54,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54" (1/1) ... [2021-10-13 07:40:54,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54" (1/1) ... [2021-10-13 07:40:54,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54" (1/1) ... [2021-10-13 07:40:54,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54" (1/1) ... [2021-10-13 07:40:54,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54" (1/1) ... [2021-10-13 07:40:54,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:40:54,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:40:54,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:40:54,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:40:54,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54" (1/1) ... [2021-10-13 07:40:54,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:40:54,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:40:54,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:40:54,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:40:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:40:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:40:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:40:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:41:02,308 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:41:02,309 INFO L299 CfgBuilder]: Removed 260 assume(true) statements. [2021-10-13 07:41:02,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:41:02 BoogieIcfgContainer [2021-10-13 07:41:02,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:41:02,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:41:02,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:41:02,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:41:02,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:40:54" (1/3) ... [2021-10-13 07:41:02,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173f8714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:41:02, skipping insertion in model container [2021-10-13 07:41:02,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:40:54" (2/3) ... [2021-10-13 07:41:02,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173f8714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:41:02, skipping insertion in model container [2021-10-13 07:41:02,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:41:02" (3/3) ... [2021-10-13 07:41:02,335 INFO L111 eAbstractionObserver]: Analyzing ICFG AllInterval-010.c [2021-10-13 07:41:02,350 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:41:02,350 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:41:02,419 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:41:02,427 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, mConcurrency=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 [2021-10-13 07:41:02,432 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:41:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2021-10-13 07:41:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 07:41:02,457 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:41:02,459 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-13 07:41:02,460 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:41:02,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:41:02,468 INFO L82 PathProgramCache]: Analyzing trace with hash 44640, now seen corresponding path program 1 times [2021-10-13 07:41:02,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:41:02,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429864156] [2021-10-13 07:41:02,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:41:02,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:41:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:41:28,981 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:41:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:41:58,469 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:41:58,471 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:41:58,473 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:41:58,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:41:58,483 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:41:58,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:41:58 BoogieIcfgContainer [2021-10-13 07:41:58,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:41:58,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:41:58,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:41:58,564 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:41:58,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:41:02" (3/4) ... [2021-10-13 07:41:58,567 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 07:41:58,653 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:41:58,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:41:58,656 INFO L168 Benchmark]: Toolchain (without parser) took 64512.87 ms. Allocated memory was 111.1 MB in the beginning and 4.0 GB in the end (delta: 3.9 GB). Free memory was 48.5 MB in the beginning and 2.9 GB in the end (delta: -2.8 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2021-10-13 07:41:58,657 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 111.1 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:41:58,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.39 ms. Allocated memory is still 111.1 MB. Free memory was 48.3 MB in the beginning and 84.6 MB in the end (delta: -36.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:41:58,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.13 ms. Allocated memory is still 111.1 MB. Free memory was 84.1 MB in the beginning and 78.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:41:58,659 INFO L168 Benchmark]: Boogie Preprocessor took 79.02 ms. Allocated memory is still 111.1 MB. Free memory was 78.9 MB in the beginning and 75.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:41:58,660 INFO L168 Benchmark]: RCFGBuilder took 7518.12 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 75.7 MB in the beginning and 83.6 MB in the end (delta: -7.9 MB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:41:58,660 INFO L168 Benchmark]: TraceAbstraction took 56247.30 ms. Allocated memory was 138.4 MB in the beginning and 4.0 GB in the end (delta: 3.9 GB). Free memory was 83.6 MB in the beginning and 2.9 GB in the end (delta: -2.8 GB). Peak memory consumption was 2.4 GB. Max. memory is 16.1 GB. [2021-10-13 07:41:58,661 INFO L168 Benchmark]: Witness Printer took 90.77 ms. Allocated memory is still 4.0 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:41:58,664 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 111.1 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 474.39 ms. Allocated memory is still 111.1 MB. Free memory was 48.3 MB in the beginning and 84.6 MB in the end (delta: -36.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.13 ms. Allocated memory is still 111.1 MB. Free memory was 84.1 MB in the beginning and 78.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.02 ms. Allocated memory is still 111.1 MB. Free memory was 78.9 MB in the beginning and 75.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 7518.12 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 75.7 MB in the beginning and 83.6 MB in the end (delta: -7.9 MB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 56247.30 ms. Allocated memory was 138.4 MB in the beginning and 4.0 GB in the end (delta: 3.9 GB). Free memory was 83.6 MB in the beginning and 2.9 GB in the end (delta: -2.8 GB). Peak memory consumption was 2.4 GB. Max. memory is 16.1 GB. * Witness Printer took 90.77 ms. Allocated memory is still 4.0 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 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: 213]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L79] int var13; [L80] var13 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L83] int var14; [L84] var14 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L87] int var15; [L88] var15 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L91] int var16; [L92] var16 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L95] int var17; [L96] var17 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L99] int var18; [L100] var18 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L103] int myvar0 = 1; [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L185] int var_for_abs; [L186] var_for_abs = var0 - var1 [L187] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L187] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L189] var_for_abs = var1 - var2 [L190] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L190] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L192] var_for_abs = var2 - var3 [L193] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L193] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L195] var_for_abs = var3 - var4 [L196] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L196] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L198] var_for_abs = var4 - var5 [L199] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L199] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L201] var_for_abs = var5 - var6 [L202] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L202] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L204] var_for_abs = var6 - var7 [L205] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L205] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L207] var_for_abs = var7 - var8 [L208] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L208] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L210] var_for_abs = var8 - var9 [L211] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L211] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L20] COND FALSE !(!cond) [L213] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56064.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 13.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred 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: 11.6ms SsaConstructionTime, 26416.9ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 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! [2021-10-13 07:41:58,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b8ec39-ccfe-441e-9b5b-3e455256bb9b/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...