./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina5f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/sina5f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8 --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 b73b0414d99f7fa4a7417f652fd7ea5389e7020bd4f2da0d09463462303a81ea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:46:31,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:46:31,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:46:31,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:46:31,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:46:31,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:46:31,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:46:31,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:46:31,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:46:31,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:46:31,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:46:31,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:46:31,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:46:31,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:46:31,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:46:31,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:46:31,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:46:31,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:46:31,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:46:31,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:46:31,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:46:31,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:46:31,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:46:31,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:46:31,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:46:31,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:46:31,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:46:31,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:46:31,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:46:31,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:46:31,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:46:31,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:46:31,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:46:31,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:46:31,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:46:31,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:46:31,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:46:31,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:46:31,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:46:31,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:46:31,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:46:31,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:46:31,893 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:46:31,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:46:31,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:46:31,896 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:46:31,896 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:46:31,896 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:46:31,897 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:46:31,897 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:46:31,897 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:46:31,898 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:46:31,899 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:46:31,899 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:46:31,900 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:46:31,900 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:46:31,900 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:46:31,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:46:31,901 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:46:31,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:46:31,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:46:31,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:46:31,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:46:31,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:46:31,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:46:31,903 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:46:31,904 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:46:31,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:46:31,904 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:46:31,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:46:31,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:46:31,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:46:31,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:46:31,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:46:31,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:46:31,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:46:31,907 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:46:31,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:46:31,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:46:31,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:46:31,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:46:31,908 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_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b73b0414d99f7fa4a7417f652fd7ea5389e7020bd4f2da0d09463462303a81ea [2021-11-07 01:46:32,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:46:32,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:46:32,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:46:32,293 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:46:32,294 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:46:32,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-fpi/sina5f.c [2021-11-07 01:46:32,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/data/d2484fd85/8c3c8d19993f4ce0a66c11db702a69d8/FLAG880e58783 [2021-11-07 01:46:33,069 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:46:33,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/sv-benchmarks/c/array-fpi/sina5f.c [2021-11-07 01:46:33,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/data/d2484fd85/8c3c8d19993f4ce0a66c11db702a69d8/FLAG880e58783 [2021-11-07 01:46:33,388 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/data/d2484fd85/8c3c8d19993f4ce0a66c11db702a69d8 [2021-11-07 01:46:33,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:46:33,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:46:33,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:46:33,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:46:33,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:46:33,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:33" (1/1) ... [2021-11-07 01:46:33,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfe1646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33, skipping insertion in model container [2021-11-07 01:46:33,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:33" (1/1) ... [2021-11-07 01:46:33,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:46:33,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:46:33,670 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_4199db1c-779e-4bbe-80ea-d8201de3cd08/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2021-11-07 01:46:33,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:46:33,704 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:46:33,719 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_4199db1c-779e-4bbe-80ea-d8201de3cd08/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2021-11-07 01:46:33,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:46:33,755 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:46:33,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33 WrapperNode [2021-11-07 01:46:33,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:46:33,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:46:33,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:46:33,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:46:33,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33" (1/1) ... [2021-11-07 01:46:33,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33" (1/1) ... [2021-11-07 01:46:33,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:46:33,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:46:33,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:46:33,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:46:33,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33" (1/1) ... [2021-11-07 01:46:33,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33" (1/1) ... [2021-11-07 01:46:33,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33" (1/1) ... [2021-11-07 01:46:33,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33" (1/1) ... [2021-11-07 01:46:33,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33" (1/1) ... [2021-11-07 01:46:33,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33" (1/1) ... [2021-11-07 01:46:33,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33" (1/1) ... [2021-11-07 01:46:33,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:46:33,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:46:33,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:46:33,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:46:33,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33" (1/1) ... [2021-11-07 01:46:33,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:46:33,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:46:33,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:46:33,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:46:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:46:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:46:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:46:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:46:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:46:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:46:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:46:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:46:34,441 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:46:34,441 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-07 01:46:34,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:46:34 BoogieIcfgContainer [2021-11-07 01:46:34,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:46:34,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:46:34,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:46:34,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:46:34,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:46:33" (1/3) ... [2021-11-07 01:46:34,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c630723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:46:34, skipping insertion in model container [2021-11-07 01:46:34,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:33" (2/3) ... [2021-11-07 01:46:34,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c630723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:46:34, skipping insertion in model container [2021-11-07 01:46:34,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:46:34" (3/3) ... [2021-11-07 01:46:34,469 INFO L111 eAbstractionObserver]: Analyzing ICFG sina5f.c [2021-11-07 01:46:34,475 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:46:34,475 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:46:34,569 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:46:34,577 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 [2021-11-07 01:46:34,577 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:46:34,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.75) internal successors, (21), 13 states have internal predecessors, (21), 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) [2021-11-07 01:46:34,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 01:46:34,599 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:34,600 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:34,601 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:34,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:34,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1752185494, now seen corresponding path program 1 times [2021-11-07 01:46:34,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:46:34,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832594045] [2021-11-07 01:46:34,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:34,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:46:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:46:34,870 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:46:34,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832594045] [2021-11-07 01:46:34,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832594045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:34,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:34,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:46:34,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843971551] [2021-11-07 01:46:34,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:46:34,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:46:34,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:46:34,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:46:34,910 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.75) internal successors, (21), 13 states have internal predecessors, (21), 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) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-11-07 01:46:34,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:34,986 INFO L93 Difference]: Finished difference Result 26 states and 39 transitions. [2021-11-07 01:46:34,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:46:34,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10 [2021-11-07 01:46:34,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:34,998 INFO L225 Difference]: With dead ends: 26 [2021-11-07 01:46:34,999 INFO L226 Difference]: Without dead ends: 13 [2021-11-07 01:46:35,002 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:46:35,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-07 01:46:35,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-07 01:46:35,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-11-07 01:46:35,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2021-11-07 01:46:35,039 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 18 transitions. Word has length 10 [2021-11-07 01:46:35,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:35,040 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-11-07 01:46:35,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-11-07 01:46:35,040 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-07 01:46:35,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:46:35,041 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:35,041 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:35,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:46:35,042 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:35,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:35,043 INFO L85 PathProgramCache]: Analyzing trace with hash 865565438, now seen corresponding path program 1 times [2021-11-07 01:46:35,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:46:35,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323120123] [2021-11-07 01:46:35,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:35,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:46:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:46:35,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:46:35,234 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:46:35,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323120123] [2021-11-07 01:46:35,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323120123] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:46:35,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:46:35,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 01:46:35,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259368287] [2021-11-07 01:46:35,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:46:35,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:46:35,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:46:35,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:46:35,239 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-11-07 01:46:35,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:46:35,330 INFO L93 Difference]: Finished difference Result 30 states and 42 transitions. [2021-11-07 01:46:35,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:46:35,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) Word has length 11 [2021-11-07 01:46:35,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:46:35,333 INFO L225 Difference]: With dead ends: 30 [2021-11-07 01:46:35,333 INFO L226 Difference]: Without dead ends: 22 [2021-11-07 01:46:35,334 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:46:35,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-07 01:46:35,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2021-11-07 01:46:35,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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) [2021-11-07 01:46:35,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-11-07 01:46:35,356 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 11 [2021-11-07 01:46:35,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:46:35,356 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-07 01:46:35,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-11-07 01:46:35,357 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-07 01:46:35,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 01:46:35,358 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:46:35,358 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:46:35,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:46:35,359 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:46:35,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:46:35,360 INFO L85 PathProgramCache]: Analyzing trace with hash -351940213, now seen corresponding path program 1 times [2021-11-07 01:46:35,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:46:35,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863462175] [2021-11-07 01:46:35,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:46:35,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:46:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:46:35,485 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:46:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:46:35,648 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:46:35,648 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:46:35,650 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:46:35,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 01:46:35,656 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-07 01:46:35,660 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:46:35,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:46:35 BoogieIcfgContainer [2021-11-07 01:46:35,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:46:35,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:46:35,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:46:35,704 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:46:35,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:46:34" (3/4) ... [2021-11-07 01:46:35,707 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 01:46:35,776 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4199db1c-779e-4bbe-80ea-d8201de3cd08/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:46:35,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:46:35,779 INFO L168 Benchmark]: Toolchain (without parser) took 2384.45 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 60.7 MB in the beginning and 81.8 MB in the end (delta: -21.1 MB). Peak memory consumption was 8.4 kB. Max. memory is 16.1 GB. [2021-11-07 01:46:35,779 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory is still 76.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:46:35,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.13 ms. Allocated memory is still 102.8 MB. Free memory was 60.5 MB in the beginning and 76.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:46:35,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.99 ms. Allocated memory is still 102.8 MB. Free memory was 76.0 MB in the beginning and 74.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:46:35,782 INFO L168 Benchmark]: Boogie Preprocessor took 37.77 ms. Allocated memory is still 102.8 MB. Free memory was 74.2 MB in the beginning and 73.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:46:35,782 INFO L168 Benchmark]: RCFGBuilder took 601.13 ms. Allocated memory is still 102.8 MB. Free memory was 72.7 MB in the beginning and 56.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:46:35,783 INFO L168 Benchmark]: TraceAbstraction took 1256.80 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 56.0 MB in the beginning and 84.9 MB in the end (delta: -28.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:46:35,784 INFO L168 Benchmark]: Witness Printer took 73.49 ms. Allocated memory is still 123.7 MB. Free memory was 84.9 MB in the beginning and 81.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:46:35,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory is still 76.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 357.13 ms. Allocated memory is still 102.8 MB. Free memory was 60.5 MB in the beginning and 76.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.99 ms. Allocated memory is still 102.8 MB. Free memory was 76.0 MB in the beginning and 74.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.77 ms. Allocated memory is still 102.8 MB. Free memory was 74.2 MB in the beginning and 73.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 601.13 ms. Allocated memory is still 102.8 MB. Free memory was 72.7 MB in the beginning and 56.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1256.80 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 56.0 MB in the beginning and 84.9 MB in the end (delta: -28.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 73.49 ms. Allocated memory is still 123.7 MB. Free memory was 84.9 MB in the beginning and 81.8 MB 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L30] long long *b = malloc(sizeof(long long)*N); [L32] sum[0] = 0 [L33] i=0 VAL [N=1] [L33] COND TRUE i