./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/verifythis/elimination_max.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/verifythis/elimination_max.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE --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 0bc7b1b837bfd7794f122f6504da8d835bb2276ae4afe0cc0d058d385032d49e ........................................................................................................................................................................................................................................................................................................... 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_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/verifythis/elimination_max.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE --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 0bc7b1b837bfd7794f122f6504da8d835bb2276ae4afe0cc0d058d385032d49e .................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:50:43,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:50:43,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:50:43,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:50:43,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:50:43,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:50:43,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:50:43,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:50:43,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:50:43,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:50:43,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:50:43,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:50:43,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:50:43,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:50:43,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:50:43,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:50:43,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:50:43,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:50:43,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:50:43,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:50:43,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:50:43,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:50:43,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:50:43,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:50:43,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:50:43,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:50:43,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:50:43,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:50:43,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:50:43,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:50:43,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:50:43,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:50:43,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:50:43,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:50:43,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:50:43,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:50:43,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:50:43,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:50:43,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:50:43,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:50:43,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:50:43,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:50:43,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:50:43,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:50:43,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:50:43,775 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:50:43,775 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:50:43,775 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:50:43,775 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:50:43,776 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:50:43,780 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:50:43,780 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:50:43,781 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:50:43,782 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:50:43,782 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:50:43,782 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:50:43,782 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:50:43,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:50:43,784 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:50:43,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:50:43,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:50:43,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:50:43,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:50:43,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:50:43,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:50:43,786 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:50:43,786 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:50:43,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:50:43,786 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:50:43,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:50:43,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:50:43,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:50:43,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:50:43,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:50:43,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:50:43,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:50:43,790 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:50:43,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:50:43,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:50:43,791 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:50:43,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:50:43,791 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_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bc7b1b837bfd7794f122f6504da8d835bb2276ae4afe0cc0d058d385032d49e [2021-10-24 10:50:44,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:50:44,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:50:44,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:50:44,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:50:44,178 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:50:44,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/verifythis/elimination_max.c [2021-10-24 10:50:44,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/data/404b4df57/a437f982fd9440dc8451521b3929c98c/FLAG09a8ad35b [2021-10-24 10:50:44,753 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:50:44,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/sv-benchmarks/c/verifythis/elimination_max.c [2021-10-24 10:50:44,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/data/404b4df57/a437f982fd9440dc8451521b3929c98c/FLAG09a8ad35b [2021-10-24 10:50:45,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/data/404b4df57/a437f982fd9440dc8451521b3929c98c [2021-10-24 10:50:45,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:50:45,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:50:45,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:50:45,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:50:45,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:50:45,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:50:45" (1/1) ... [2021-10-24 10:50:45,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f92ef4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45, skipping insertion in model container [2021-10-24 10:50:45,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:50:45" (1/1) ... [2021-10-24 10:50:45,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:50:45,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:50:45,294 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_07a8cd5f-f235-43ba-b65e-3ead10598ef1/sv-benchmarks/c/verifythis/elimination_max.c[485,498] [2021-10-24 10:50:45,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:50:45,325 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:50:45,339 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_07a8cd5f-f235-43ba-b65e-3ead10598ef1/sv-benchmarks/c/verifythis/elimination_max.c[485,498] [2021-10-24 10:50:45,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:50:45,365 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:50:45,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45 WrapperNode [2021-10-24 10:50:45,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:50:45,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:50:45,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:50:45,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:50:45,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45" (1/1) ... [2021-10-24 10:50:45,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45" (1/1) ... [2021-10-24 10:50:45,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:50:45,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:50:45,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:50:45,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:50:45,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45" (1/1) ... [2021-10-24 10:50:45,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45" (1/1) ... [2021-10-24 10:50:45,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45" (1/1) ... [2021-10-24 10:50:45,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45" (1/1) ... [2021-10-24 10:50:45,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45" (1/1) ... [2021-10-24 10:50:45,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45" (1/1) ... [2021-10-24 10:50:45,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45" (1/1) ... [2021-10-24 10:50:45,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:50:45,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:50:45,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:50:45,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:50:45,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45" (1/1) ... [2021-10-24 10:50:45,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:50:45,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:50:45,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:50:45,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:50:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 10:50:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-24 10:50:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:50:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-24 10:50:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 10:50:46,254 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:50:46,255 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-24 10:50:46,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:50:46 BoogieIcfgContainer [2021-10-24 10:50:46,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:50:46,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:50:46,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:50:46,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:50:46,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:50:45" (1/3) ... [2021-10-24 10:50:46,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f1e9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:50:46, skipping insertion in model container [2021-10-24 10:50:46,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:45" (2/3) ... [2021-10-24 10:50:46,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f1e9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:50:46, skipping insertion in model container [2021-10-24 10:50:46,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:50:46" (3/3) ... [2021-10-24 10:50:46,269 INFO L111 eAbstractionObserver]: Analyzing ICFG elimination_max.c [2021-10-24 10:50:46,276 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:50:46,276 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-24 10:50:46,337 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:50:46,345 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:50:46,346 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-24 10:50:46,362 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-10-24 10:50:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-24 10:50:46,368 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:46,369 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-24 10:50:46,369 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:50:46,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:46,376 INFO L82 PathProgramCache]: Analyzing trace with hash 3595421, now seen corresponding path program 1 times [2021-10-24 10:50:46,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:50:46,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985217095] [2021-10-24 10:50:46,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:46,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:50:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:50:46,702 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:50:46,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985217095] [2021-10-24 10:50:46,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985217095] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:50:46,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:50:46,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:50:46,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93661472] [2021-10-24 10:50:46,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:50:46,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:50:46,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:50:46,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:50:46,730 INFO L87 Difference]: Start difference. First operand has 12 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-10-24 10:50:46,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:50:46,771 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2021-10-24 10:50:46,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:50:46,774 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 [2021-10-24 10:50:46,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:50:46,781 INFO L225 Difference]: With dead ends: 17 [2021-10-24 10:50:46,781 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:50:46,784 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:50:46,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:50:46,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:50:46,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-24 10:50:46,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:50:46,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-24 10:50:46,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:50:46,813 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:50:46,814 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) [2021-10-24 10:50:46,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:50:46,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:50:46,817 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:50:46,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:50:46,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 10:50:46,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:50:46,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:46,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:46,840 INFO L853 garLoopResultBuilder]: At program point L35-2(lines 25 37) the Hoare annotation is: (= ((as const (Array Int Int)) 0) (select |#memory_int| ULTIMATE.start_main_~a~0.base)) [2021-10-24 10:50:46,841 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2021-10-24 10:50:46,841 INFO L857 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2021-10-24 10:50:46,841 INFO L857 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2021-10-24 10:50:46,841 INFO L857 garLoopResultBuilder]: For program point L11-3(line 11) no Hoare annotation was computed. [2021-10-24 10:50:46,842 INFO L857 garLoopResultBuilder]: For program point L11-4(line 11) no Hoare annotation was computed. [2021-10-24 10:50:46,842 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:50:46,842 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2021-10-24 10:50:46,842 INFO L853 garLoopResultBuilder]: At program point L45-3(lines 45 47) the Hoare annotation is: (and (= ((as const (Array Int Int)) 0) (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) [2021-10-24 10:50:46,843 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:50:46,843 INFO L857 garLoopResultBuilder]: For program point L10(lines 10 12) no Hoare annotation was computed. [2021-10-24 10:50:46,843 INFO L857 garLoopResultBuilder]: For program point L10-1(lines 10 12) no Hoare annotation was computed. [2021-10-24 10:50:46,848 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:50:46,856 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:240) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:453) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:192) 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) [2021-10-24 10:50:46,859 INFO L168 Benchmark]: Toolchain (without parser) took 1738.55 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 59.6 MB in the beginning and 83.4 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:50:46,860 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory was 76.7 MB in the beginning and 76.6 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:50:46,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.10 ms. Allocated memory is still 98.6 MB. Free memory was 59.4 MB in the beginning and 49.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:46,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.82 ms. Allocated memory is still 98.6 MB. Free memory was 49.3 MB in the beginning and 47.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:46,863 INFO L168 Benchmark]: Boogie Preprocessor took 60.52 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 47.7 MB in the beginning and 97.4 MB in the end (delta: -49.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:46,864 INFO L168 Benchmark]: RCFGBuilder took 783.08 ms. Allocated memory is still 119.5 MB. Free memory was 97.4 MB in the beginning and 80.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:46,865 INFO L168 Benchmark]: TraceAbstraction took 597.07 ms. Allocated memory is still 119.5 MB. Free memory was 79.8 MB in the beginning and 83.4 MB in the end (delta: -3.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:50:46,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory was 76.7 MB in the beginning and 76.6 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 245.10 ms. Allocated memory is still 98.6 MB. Free memory was 59.4 MB in the beginning and 49.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.82 ms. Allocated memory is still 98.6 MB. Free memory was 49.3 MB in the beginning and 47.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.52 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 47.7 MB in the beginning and 97.4 MB in the end (delta: -49.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 783.08 ms. Allocated memory is still 119.5 MB. Free memory was 97.4 MB in the beginning and 80.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 597.07 ms. Allocated memory is still 119.5 MB. Free memory was 79.8 MB in the beginning and 83.4 MB in the end (delta: -3.5 MB). 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 - PositiveResult [Line: 11]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 11]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 513.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 10.6ms, AutomataDifference: 71.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 21.3ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3 SDtfs, 12 SDslu, 1 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 11.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 17 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 6.1ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 6.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 8.4ms SsaConstructionTime, 119.8ms SatisfiabilityAnalysisTime, 117.9ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-24 10:50:46,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:50:49,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:50:49,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:50:49,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:50:49,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:50:49,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:50:49,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:50:49,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:50:49,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:50:49,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:50:49,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:50:49,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:50:49,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:50:49,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:50:49,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:50:49,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:50:49,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:50:49,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:50:49,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:50:49,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:50:49,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:50:49,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:50:49,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:50:49,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:50:49,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:50:49,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:50:49,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:50:49,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:50:49,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:50:49,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:50:49,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:50:49,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:50:49,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:50:49,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:50:49,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:50:49,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:50:49,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:50:49,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:50:49,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:50:49,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:50:49,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:50:49,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:50:49,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:50:49,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:50:49,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:50:49,735 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:50:49,736 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:50:49,736 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:50:49,736 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:50:49,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:50:49,736 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:50:49,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:50:49,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:50:49,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:50:49,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:50:49,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:50:49,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:50:49,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:50:49,739 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:50:49,739 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:50:49,740 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:50:49,740 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:50:49,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:50:49,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:50:49,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:50:49,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:50:49,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:50:49,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:50:49,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:50:49,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:50:49,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:50:49,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:50:49,742 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:50:49,743 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:50:49,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:50:49,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:50:49,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:50:49,744 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_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bc7b1b837bfd7794f122f6504da8d835bb2276ae4afe0cc0d058d385032d49e [2021-10-24 10:50:50,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:50:50,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:50:50,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:50:50,185 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:50:50,186 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:50:50,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/verifythis/elimination_max.c [2021-10-24 10:50:50,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/data/f765aaaea/15af51410b7e4421b78187782c34309c/FLAG6bd1b89dd [2021-10-24 10:50:50,807 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:50:50,807 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/sv-benchmarks/c/verifythis/elimination_max.c [2021-10-24 10:50:50,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/data/f765aaaea/15af51410b7e4421b78187782c34309c/FLAG6bd1b89dd [2021-10-24 10:50:51,137 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/data/f765aaaea/15af51410b7e4421b78187782c34309c [2021-10-24 10:50:51,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:50:51,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:50:51,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:50:51,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:50:51,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:50:51,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:50:51" (1/1) ... [2021-10-24 10:50:51,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac329d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51, skipping insertion in model container [2021-10-24 10:50:51,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:50:51" (1/1) ... [2021-10-24 10:50:51,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:50:51,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:50:51,403 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_07a8cd5f-f235-43ba-b65e-3ead10598ef1/sv-benchmarks/c/verifythis/elimination_max.c[485,498] [2021-10-24 10:50:51,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:50:51,466 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:50:51,487 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_07a8cd5f-f235-43ba-b65e-3ead10598ef1/sv-benchmarks/c/verifythis/elimination_max.c[485,498] [2021-10-24 10:50:51,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:50:51,558 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:50:51,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51 WrapperNode [2021-10-24 10:50:51,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:50:51,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:50:51,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:50:51,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:50:51,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51" (1/1) ... [2021-10-24 10:50:51,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51" (1/1) ... [2021-10-24 10:50:51,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:50:51,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:50:51,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:50:51,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:50:51,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51" (1/1) ... [2021-10-24 10:50:51,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51" (1/1) ... [2021-10-24 10:50:51,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51" (1/1) ... [2021-10-24 10:50:51,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51" (1/1) ... [2021-10-24 10:50:51,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51" (1/1) ... [2021-10-24 10:50:51,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51" (1/1) ... [2021-10-24 10:50:51,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51" (1/1) ... [2021-10-24 10:50:51,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:50:51,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:50:51,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:50:51,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:50:51,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51" (1/1) ... [2021-10-24 10:50:51,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:50:51,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:50:51,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:50:51,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:50:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:50:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:50:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-24 10:50:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-24 10:50:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:50:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:50:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 10:50:52,256 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:50:52,257 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-24 10:50:52,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:50:52 BoogieIcfgContainer [2021-10-24 10:50:52,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:50:52,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:50:52,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:50:52,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:50:52,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:50:51" (1/3) ... [2021-10-24 10:50:52,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6560bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:50:52, skipping insertion in model container [2021-10-24 10:50:52,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:51" (2/3) ... [2021-10-24 10:50:52,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6560bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:50:52, skipping insertion in model container [2021-10-24 10:50:52,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:50:52" (3/3) ... [2021-10-24 10:50:52,270 INFO L111 eAbstractionObserver]: Analyzing ICFG elimination_max.c [2021-10-24 10:50:52,276 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:50:52,276 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-24 10:50:52,371 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:50:52,391 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:50:52,391 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-24 10:50:52,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 23 states have internal predecessors, (32), 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) [2021-10-24 10:50:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-24 10:50:52,450 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:52,451 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:50:52,452 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:50:52,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:52,459 INFO L82 PathProgramCache]: Analyzing trace with hash -489201995, now seen corresponding path program 1 times [2021-10-24 10:50:52,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:50:52,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113930187] [2021-10-24 10:50:52,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:52,477 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:50:52,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:50:52,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:50:52,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:50:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:52,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:50:52,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:50:52,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:52,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:50:52,689 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:50:52,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113930187] [2021-10-24 10:50:52,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113930187] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:50:52,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:50:52,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:50:52,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387948563] [2021-10-24 10:50:52,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:50:52,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:50:52,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:50:52,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:50:52,717 INFO L87 Difference]: Start difference. First operand has 24 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 23 states have internal predecessors, (32), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2021-10-24 10:50:52,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:50:52,735 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2021-10-24 10:50:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:50:52,737 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 [2021-10-24 10:50:52,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:50:52,750 INFO L225 Difference]: With dead ends: 45 [2021-10-24 10:50:52,751 INFO L226 Difference]: Without dead ends: 20 [2021-10-24 10:50:52,754 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:50:52,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-24 10:50:52,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-24 10:50:52,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 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) [2021-10-24 10:50:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-10-24 10:50:52,790 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 11 [2021-10-24 10:50:52,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:50:52,791 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-10-24 10:50:52,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2021-10-24 10:50:52,792 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-10-24 10:50:52,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-24 10:50:52,792 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:50:52,793 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:50:52,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:50:53,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:50:53,007 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:50:53,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:50:53,008 INFO L82 PathProgramCache]: Analyzing trace with hash 190915957, now seen corresponding path program 1 times [2021-10-24 10:50:53,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:50:53,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911572114] [2021-10-24 10:50:53,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:53,010 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:50:53,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:50:53,014 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:50:53,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:50:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:53,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-24 10:50:53,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:54,110 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-10-24 10:50:54,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 32 [2021-10-24 10:50:54,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:50:54,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:50:54,233 INFO L354 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2021-10-24 10:50:54,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2021-10-24 10:50:54,389 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:50:54,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911572114] [2021-10-24 10:50:54,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2021-10-24 10:50:54,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [270716895] [2021-10-24 10:50:54,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:50:54,391 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:50:54,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:50:54,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:50:54,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-10-24 10:50:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:50:54,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:50:54,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:50:54,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-10-24 10:50:54,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2021-10-24 10:50:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:50:54,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:51:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:51:05,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [270716895] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:51:05,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:51:05,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:51:05,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181679909] [2021-10-24 10:51:05,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:51:05,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:51:05,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:51:05,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=226, Unknown=5, NotChecked=0, Total=272 [2021-10-24 10:51:05,157 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 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) [2021-10-24 10:51:09,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:51:09,324 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-10-24 10:51:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:51:09,325 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 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) Word has length 11 [2021-10-24 10:51:09,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:51:09,326 INFO L225 Difference]: With dead ends: 20 [2021-10-24 10:51:09,326 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:51:09,328 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 14797.2ms TimeCoverageRelationStatistics Valid=56, Invalid=279, Unknown=7, NotChecked=0, Total=342 [2021-10-24 10:51:09,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:51:09,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:51:09,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-24 10:51:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:51:09,329 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-10-24 10:51:09,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:51:09,329 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:51:09,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 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) [2021-10-24 10:51:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:51:09,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:51:09,333 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:51:09,334 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:51:09,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:51:09,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2021-10-24 10:51:09,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:51:09,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:51:09,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:09,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:09,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:51:09,819 INFO L853 garLoopResultBuilder]: At program point L35-2(lines 25 37) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (and (= .cse0 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (= .cse0 (select |#memory_int| |ULTIMATE.start_main_#t~malloc9.base|)))) [2021-10-24 10:51:09,820 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2021-10-24 10:51:09,820 INFO L857 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2021-10-24 10:51:09,820 INFO L857 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2021-10-24 10:51:09,821 INFO L857 garLoopResultBuilder]: For program point L11-3(line 11) no Hoare annotation was computed. [2021-10-24 10:51:09,821 INFO L857 garLoopResultBuilder]: For program point L7(lines 7 9) no Hoare annotation was computed. [2021-10-24 10:51:09,821 INFO L857 garLoopResultBuilder]: For program point L11-4(line 11) no Hoare annotation was computed. [2021-10-24 10:51:09,821 INFO L857 garLoopResultBuilder]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2021-10-24 10:51:09,821 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:51:09,822 INFO L857 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-10-24 10:51:09,822 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:51:09,822 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:51:09,822 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2021-10-24 10:51:09,823 INFO L857 garLoopResultBuilder]: For program point L45-2(lines 45 47) no Hoare annotation was computed. [2021-10-24 10:51:09,823 INFO L853 garLoopResultBuilder]: At program point L45-3(lines 45 47) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (and (= .cse0 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (= .cse0 (select |#memory_int| |ULTIMATE.start_main_#t~malloc9.base|)) (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)))) [2021-10-24 10:51:09,823 INFO L857 garLoopResultBuilder]: For program point L45-4(lines 45 47) no Hoare annotation was computed. [2021-10-24 10:51:09,823 INFO L857 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2021-10-24 10:51:09,824 INFO L857 garLoopResultBuilder]: For program point L8-2(line 8) no Hoare annotation was computed. [2021-10-24 10:51:09,824 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:51:09,825 INFO L857 garLoopResultBuilder]: For program point L25-2(lines 25 37) no Hoare annotation was computed. [2021-10-24 10:51:09,825 INFO L860 garLoopResultBuilder]: At program point L50(lines 16 51) the Hoare annotation is: true [2021-10-24 10:51:09,825 INFO L857 garLoopResultBuilder]: For program point L10(lines 10 12) no Hoare annotation was computed. [2021-10-24 10:51:09,826 INFO L857 garLoopResultBuilder]: For program point L10-1(lines 10 12) no Hoare annotation was computed. [2021-10-24 10:51:09,826 INFO L857 garLoopResultBuilder]: For program point L35(lines 35 36) no Hoare annotation was computed. [2021-10-24 10:51:09,839 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:51:09,849 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:453) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:192) 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) [2021-10-24 10:51:09,855 INFO L168 Benchmark]: Toolchain (without parser) took 18704.29 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 47.6 MB in the beginning and 59.0 MB in the end (delta: -11.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:09,856 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:51:09,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.01 ms. Allocated memory is still 67.1 MB. Free memory was 47.5 MB in the beginning and 51.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:09,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.52 ms. Allocated memory is still 67.1 MB. Free memory was 51.3 MB in the beginning and 49.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:09,863 INFO L168 Benchmark]: Boogie Preprocessor took 62.20 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 48.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:51:09,864 INFO L168 Benchmark]: RCFGBuilder took 553.59 ms. Allocated memory is still 67.1 MB. Free memory was 48.3 MB in the beginning and 37.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:09,867 INFO L168 Benchmark]: TraceAbstraction took 17591.44 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 36.7 MB in the beginning and 59.0 MB in the end (delta: -22.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:09,875 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 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 409.01 ms. Allocated memory is still 67.1 MB. Free memory was 47.5 MB in the beginning and 51.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.52 ms. Allocated memory is still 67.1 MB. Free memory was 51.3 MB in the beginning and 49.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.20 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 48.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 553.59 ms. Allocated memory is still 67.1 MB. Free memory was 48.3 MB in the beginning and 37.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17591.44 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 36.7 MB in the beginning and 59.0 MB in the end (delta: -22.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 11]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 11]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 17469.1ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 22.4ms, AutomataDifference: 4225.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 82.8ms, InitialAbstractionConstructionTime: 33.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 38 SDtfs, 41 SDslu, 12 SDs, 0 SdLazy, 15 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 14797.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 18.7ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 30 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 50.3ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 25.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 35.2ms SsaConstructionTime, 82.2ms SatisfiabilityAnalysisTime, 10709.3ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 5 QuantifiedInterpolants, 165 SizeOfPredicates, 13 NumberOfNonLiveVariables, 104 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-24 10:51:09,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a8cd5f-f235-43ba-b65e-3ead10598ef1/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...