./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs --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 b63c01de64b0e8f54262c6aa115373f8a8213c94 ......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs --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 b63c01de64b0e8f54262c6aa115373f8a8213c94 ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:04:00,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:04:00,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:04:00,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:04:00,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:04:00,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:04:00,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:04:00,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:04:00,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:04:00,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:04:00,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:04:00,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:04:00,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:04:00,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:04:00,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:04:00,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:04:00,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:04:00,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:04:00,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:04:00,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:04:00,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:04:00,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:04:00,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:04:00,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:04:00,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:04:00,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:04:00,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:04:00,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:04:00,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:04:00,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:04:00,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:04:00,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:04:00,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:04:00,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:04:00,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:04:00,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:04:00,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:04:00,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:04:00,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:04:00,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:04:00,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:04:00,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:04:00,645 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:04:00,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:04:00,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:04:00,647 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:04:00,647 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:04:00,648 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:04:00,648 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:04:00,648 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:04:00,648 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:04:00,648 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:04:00,655 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:04:00,656 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:04:00,656 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:04:00,656 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:04:00,656 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:04:00,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:04:00,657 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:04:00,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:04:00,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:04:00,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:04:00,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:04:00,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:04:00,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:04:00,659 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:04:00,659 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:04:00,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:04:00,659 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:04:00,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:04:00,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:04:00,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:04:00,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:04:00,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:04:00,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:04:00,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:04:00,661 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:04:00,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:04:00,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:04:00,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:04:00,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:04:00,662 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_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63c01de64b0e8f54262c6aa115373f8a8213c94 [2021-10-16 03:04:00,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:04:00,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:04:00,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:04:00,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:04:00,979 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:04:00,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/bitvector/jain_1-1.c [2021-10-16 03:04:01,054 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/data/ca1f6c45c/0967e09c65d14fe486de7f983e50aed5/FLAGc655dbcaf [2021-10-16 03:04:01,576 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:04:01,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/sv-benchmarks/c/bitvector/jain_1-1.c [2021-10-16 03:04:01,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/data/ca1f6c45c/0967e09c65d14fe486de7f983e50aed5/FLAGc655dbcaf [2021-10-16 03:04:01,944 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/data/ca1f6c45c/0967e09c65d14fe486de7f983e50aed5 [2021-10-16 03:04:01,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:04:01,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:04:01,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:04:01,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:04:01,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:04:01,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:04:01" (1/1) ... [2021-10-16 03:04:01,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5350d0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:01, skipping insertion in model container [2021-10-16 03:04:01,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:04:01" (1/1) ... [2021-10-16 03:04:01,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:04:01,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:04:02,139 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_f78c32fb-2672-4b58-bc2e-9482da873bf3/sv-benchmarks/c/bitvector/jain_1-1.c[370,383] [2021-10-16 03:04:02,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:04:02,156 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:04:02,168 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_f78c32fb-2672-4b58-bc2e-9482da873bf3/sv-benchmarks/c/bitvector/jain_1-1.c[370,383] [2021-10-16 03:04:02,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:04:02,183 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:04:02,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:02 WrapperNode [2021-10-16 03:04:02,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:04:02,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:04:02,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:04:02,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:04:02,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:02" (1/1) ... [2021-10-16 03:04:02,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:02" (1/1) ... [2021-10-16 03:04:02,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:04:02,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:04:02,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:04:02,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:04:02,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:02" (1/1) ... [2021-10-16 03:04:02,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:02" (1/1) ... [2021-10-16 03:04:02,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:02" (1/1) ... [2021-10-16 03:04:02,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:02" (1/1) ... [2021-10-16 03:04:02,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:02" (1/1) ... [2021-10-16 03:04:02,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:02" (1/1) ... [2021-10-16 03:04:02,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:02" (1/1) ... [2021-10-16 03:04:02,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:04:02,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:04:02,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:04:02,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:04:02,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:02" (1/1) ... [2021-10-16 03:04:02,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:04:02,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:04:02,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:04:02,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:04:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:04:02,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:04:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 03:04:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:04:02,634 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:04:02,634 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 03:04:02,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:04:02 BoogieIcfgContainer [2021-10-16 03:04:02,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:04:02,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:04:02,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:04:02,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:04:02,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:04:01" (1/3) ... [2021-10-16 03:04:02,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0071cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:04:02, skipping insertion in model container [2021-10-16 03:04:02,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:02" (2/3) ... [2021-10-16 03:04:02,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0071cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:04:02, skipping insertion in model container [2021-10-16 03:04:02,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:04:02" (3/3) ... [2021-10-16 03:04:02,645 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_1-1.c [2021-10-16 03:04:02,651 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:04:02,651 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:04:02,702 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:04:02,709 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 [2021-10-16 03:04:02,709 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:04:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2021-10-16 03:04:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-16 03:04:02,729 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:04:02,729 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-16 03:04:02,730 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:04:02,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:04:02,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1828272, now seen corresponding path program 1 times [2021-10-16 03:04:02,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:04:02,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516610716] [2021-10-16 03:04:02,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:04:02,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:04:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:04:03,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:04:03,020 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:04:03,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516610716] [2021-10-16 03:04:03,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516610716] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:04:03,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:04:03,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 03:04:03,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254737513] [2021-10-16 03:04:03,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:04:03,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:04:03,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:04:03,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:04:03,048 INFO L87 Difference]: Start difference. First operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-16 03:04:03,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:04:03,075 INFO L93 Difference]: Finished difference Result 12 states and 17 transitions. [2021-10-16 03:04:03,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:04:03,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2021-10-16 03:04:03,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:04:03,085 INFO L225 Difference]: With dead ends: 12 [2021-10-16 03:04:03,085 INFO L226 Difference]: Without dead ends: 7 [2021-10-16 03:04:03,088 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:04:03,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-10-16 03:04:03,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-16 03:04:03,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-10-16 03:04:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-16 03:04:03,119 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2021-10-16 03:04:03,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:04:03,119 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-10-16 03:04:03,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-16 03:04:03,120 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-16 03:04:03,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-16 03:04:03,120 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:04:03,121 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2021-10-16 03:04:03,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 03:04:03,121 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:04:03,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:04:03,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1757113992, now seen corresponding path program 1 times [2021-10-16 03:04:03,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:04:03,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329460736] [2021-10-16 03:04:03,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:04:03,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:04:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:04:03,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:04:03,214 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:04:03,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329460736] [2021-10-16 03:04:03,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329460736] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 03:04:03,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067001457] [2021-10-16 03:04:03,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:04:03,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:04:03,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:04:03,218 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:04:03,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-16 03:04:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:04:03,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-16 03:04:03,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:04:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:04:03,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:04:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 03:04:04,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067001457] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:04:04,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [424622210] [2021-10-16 03:04:04,056 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-10-16 03:04:04,057 INFO L166 IcfgInterpreter]: Building call graph [2021-10-16 03:04:04,070 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-16 03:04:04,075 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-16 03:04:04,076 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-16 03:04:04,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:04:04,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:04:04,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:04:04,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-16 03:04:04,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:04:04,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:04:04,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-16 03:04:04,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-10-16 03:04:04,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:04:04,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:04:04,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:04:04,231 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-10-16 03:04:04,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 43 treesize of output 42 [2021-10-16 03:04:04,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:04:04,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-16 03:04:04,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:04:04,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-16 03:04:04,250 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-16 03:04:04,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:04:04,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:04:04,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:04:04,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-10-16 03:04:04,321 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-16 03:04:04,322 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:103 [2021-10-16 03:04:04,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:04:04,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:04:04,524 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#length_9| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-16 03:04:04,528 INFO L168 Benchmark]: Toolchain (without parser) took 2579.07 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 86.9 MB in the beginning and 109.6 MB in the end (delta: -22.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:04:04,529 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 115.3 MB. Free memory is still 69.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:04:04,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.97 ms. Allocated memory is still 115.3 MB. Free memory was 86.5 MB in the beginning and 92.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:04:04,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.61 ms. Allocated memory is still 115.3 MB. Free memory was 92.5 MB in the beginning and 91.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:04:04,531 INFO L168 Benchmark]: Boogie Preprocessor took 33.80 ms. Allocated memory is still 115.3 MB. Free memory was 90.9 MB in the beginning and 90.1 MB in the end (delta: 796.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:04:04,531 INFO L168 Benchmark]: RCFGBuilder took 379.78 ms. Allocated memory is still 115.3 MB. Free memory was 90.1 MB in the beginning and 80.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:04:04,532 INFO L168 Benchmark]: TraceAbstraction took 1888.70 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 79.6 MB in the beginning and 109.6 MB in the end (delta: -30.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:04:04,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 115.3 MB. Free memory is still 69.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 233.97 ms. Allocated memory is still 115.3 MB. Free memory was 86.5 MB in the beginning and 92.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.61 ms. Allocated memory is still 115.3 MB. Free memory was 92.5 MB in the beginning and 91.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.80 ms. Allocated memory is still 115.3 MB. Free memory was 90.9 MB in the beginning and 90.1 MB in the end (delta: 796.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 379.78 ms. Allocated memory is still 115.3 MB. Free memory was 90.1 MB in the beginning and 80.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1888.70 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 79.6 MB in the beginning and 109.6 MB in the end (delta: -30.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#length_9| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#length_9|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 03:04:04,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:04:06,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:04:06,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:04:07,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:04:07,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:04:07,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:04:07,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:04:07,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:04:07,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:04:07,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:04:07,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:04:07,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:04:07,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:04:07,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:04:07,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:04:07,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:04:07,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:04:07,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:04:07,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:04:07,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:04:07,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:04:07,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:04:07,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:04:07,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:04:07,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:04:07,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:04:07,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:04:07,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:04:07,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:04:07,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:04:07,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:04:07,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:04:07,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:04:07,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:04:07,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:04:07,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:04:07,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:04:07,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:04:07,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:04:07,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:04:07,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:04:07,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:04:07,176 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:04:07,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:04:07,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:04:07,179 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:04:07,179 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:04:07,179 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:04:07,179 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:04:07,180 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:04:07,180 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:04:07,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:04:07,182 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:04:07,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:04:07,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:04:07,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:04:07,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:04:07,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:04:07,184 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:04:07,184 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:04:07,184 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:04:07,185 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:04:07,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:04:07,185 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:04:07,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:04:07,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:04:07,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:04:07,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:04:07,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:04:07,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:04:07,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:04:07,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:04:07,187 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:04:07,187 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:04:07,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:04:07,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:04:07,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:04:07,189 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63c01de64b0e8f54262c6aa115373f8a8213c94 [2021-10-16 03:04:07,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:04:07,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:04:07,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:04:07,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:04:07,634 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:04:07,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/bitvector/jain_1-1.c [2021-10-16 03:04:07,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/data/ae96a68d8/c00cec8c5a984368b80930ca9d4ec29d/FLAG4aa8209ae [2021-10-16 03:04:08,186 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:04:08,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/sv-benchmarks/c/bitvector/jain_1-1.c [2021-10-16 03:04:08,195 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/data/ae96a68d8/c00cec8c5a984368b80930ca9d4ec29d/FLAG4aa8209ae [2021-10-16 03:04:08,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/data/ae96a68d8/c00cec8c5a984368b80930ca9d4ec29d [2021-10-16 03:04:08,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:04:08,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:04:08,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:04:08,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:04:08,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:04:08,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:04:08" (1/1) ... [2021-10-16 03:04:08,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a52ae0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08, skipping insertion in model container [2021-10-16 03:04:08,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:04:08" (1/1) ... [2021-10-16 03:04:08,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:04:08,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:04:08,805 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_f78c32fb-2672-4b58-bc2e-9482da873bf3/sv-benchmarks/c/bitvector/jain_1-1.c[370,383] [2021-10-16 03:04:08,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:04:08,842 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:04:08,858 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_f78c32fb-2672-4b58-bc2e-9482da873bf3/sv-benchmarks/c/bitvector/jain_1-1.c[370,383] [2021-10-16 03:04:08,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:04:08,878 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:04:08,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08 WrapperNode [2021-10-16 03:04:08,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:04:08,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:04:08,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:04:08,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:04:08,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08" (1/1) ... [2021-10-16 03:04:08,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08" (1/1) ... [2021-10-16 03:04:08,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:04:08,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:04:08,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:04:08,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:04:08,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08" (1/1) ... [2021-10-16 03:04:08,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08" (1/1) ... [2021-10-16 03:04:08,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08" (1/1) ... [2021-10-16 03:04:08,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08" (1/1) ... [2021-10-16 03:04:08,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08" (1/1) ... [2021-10-16 03:04:08,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08" (1/1) ... [2021-10-16 03:04:08,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08" (1/1) ... [2021-10-16 03:04:08,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:04:08,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:04:08,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:04:08,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:04:08,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08" (1/1) ... [2021-10-16 03:04:08,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:04:09,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:04:09,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:04:09,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:04:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:04:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:04:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:04:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:04:09,255 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:04:09,256 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 03:04:09,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:04:09 BoogieIcfgContainer [2021-10-16 03:04:09,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:04:09,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:04:09,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:04:09,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:04:09,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:04:08" (1/3) ... [2021-10-16 03:04:09,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788b17e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:04:09, skipping insertion in model container [2021-10-16 03:04:09,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:08" (2/3) ... [2021-10-16 03:04:09,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788b17e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:04:09, skipping insertion in model container [2021-10-16 03:04:09,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:04:09" (3/3) ... [2021-10-16 03:04:09,266 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_1-1.c [2021-10-16 03:04:09,271 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:04:09,272 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:04:09,323 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:04:09,330 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 [2021-10-16 03:04:09,330 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:04:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.5) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-10-16 03:04:09,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-16 03:04:09,347 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:04:09,348 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-16 03:04:09,348 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:04:09,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:04:09,354 INFO L82 PathProgramCache]: Analyzing trace with hash 28699754, now seen corresponding path program 1 times [2021-10-16 03:04:09,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:04:09,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77546146] [2021-10-16 03:04:09,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:04:09,367 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:04:09,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:04:09,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:04:09,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:04:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:04:09,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:04:09,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:04:09,715 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:04:09,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [77546146] [2021-10-16 03:04:09,718 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2021-10-16 03:04:09,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [282850014] [2021-10-16 03:04:09,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:04:09,720 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:04:09,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:04:09,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:04:09,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2021-10-16 03:04:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:04:09,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:04:09,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:04:09,909 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2021-10-16 03:04:09,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702791359] [2021-10-16 03:04:09,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:04:09,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:04:09,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:04:09,919 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:04:09,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-16 03:04:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:04:09,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 03:04:09,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:04:10,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2021-10-16 03:04:10,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:04:10,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-16 03:04:10,047 ERROR L172 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2021-10-16 03:04:10,049 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-10-16 03:04:10,060 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:04:10,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-16 03:04:10,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-16 03:04:10,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2021-10-16 03:04:10,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 03:04:10,691 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:04:10,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:04:10 BoogieIcfgContainer [2021-10-16 03:04:10,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:04:10,701 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:04:10,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:04:10,702 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:04:10,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:04:09" (3/4) ... [2021-10-16 03:04:10,706 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 03:04:10,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:04:10,708 INFO L168 Benchmark]: Toolchain (without parser) took 2134.80 ms. Allocated memory is still 67.1 MB. Free memory was 47.1 MB in the beginning and 32.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:04:10,708 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory is still 48.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:04:10,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.79 ms. Allocated memory is still 67.1 MB. Free memory was 46.9 MB in the beginning and 37.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:04:10,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.93 ms. Allocated memory is still 67.1 MB. Free memory was 37.3 MB in the beginning and 49.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2021-10-16 03:04:10,711 INFO L168 Benchmark]: Boogie Preprocessor took 39.29 ms. Allocated memory is still 67.1 MB. Free memory was 49.6 MB in the beginning and 48.7 MB in the end (delta: 862.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:04:10,712 INFO L168 Benchmark]: RCFGBuilder took 273.45 ms. Allocated memory is still 67.1 MB. Free memory was 48.5 MB in the beginning and 39.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:04:10,712 INFO L168 Benchmark]: TraceAbstraction took 1441.39 ms. Allocated memory is still 67.1 MB. Free memory was 39.2 MB in the beginning and 32.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:04:10,713 INFO L168 Benchmark]: Witness Printer took 4.74 ms. Allocated memory is still 67.1 MB. Free memory was 32.3 MB in the beginning and 32.0 MB in the end (delta: 331.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:04:10,716 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 67.1 MB. Free memory is still 48.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 303.79 ms. Allocated memory is still 67.1 MB. Free memory was 46.9 MB in the beginning and 37.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.93 ms. Allocated memory is still 67.1 MB. Free memory was 37.3 MB in the beginning and 49.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.29 ms. Allocated memory is still 67.1 MB. Free memory was 49.6 MB in the beginning and 48.7 MB in the end (delta: 862.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 273.45 ms. Allocated memory is still 67.1 MB. Free memory was 48.5 MB in the beginning and 39.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1441.39 ms. Allocated memory is still 67.1 MB. Free memory was 39.2 MB in the beginning and 32.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.74 ms. Allocated memory is still 67.1 MB. Free memory was 32.3 MB in the beginning and 32.0 MB in the end (delta: 331.9 kB). There was no memory consumed. 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 - UnprovableResult [Line: 8]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L14] unsigned int y; [L16] y = 1U [L18] COND TRUE 1 [L20] y = y +2U*__VERIFIER_nondet_uint() [L7] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1369.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 7.6ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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: No data available, 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 could not prove your program: unable to determine feasibility of some traces [2021-10-16 03:04:10,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c32fb-2672-4b58-bc2e-9482da873bf3/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...