./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Binary_Search-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/Binary_Search-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 46affb860f1d0d7b6656a3074088d89f6e139022ec85b08907ba16419f351bb9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:26:04,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:26:04,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:26:04,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:26:04,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:26:04,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:26:04,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:26:04,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:26:04,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:26:04,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:26:04,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:26:04,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:26:04,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:26:04,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:26:04,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:26:04,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:26:04,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:26:04,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:26:04,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:26:04,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:26:04,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:26:04,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:26:04,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:26:04,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:26:04,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:26:04,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:26:04,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:26:04,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:26:04,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:26:04,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:26:04,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:26:04,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:26:04,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:26:04,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:26:04,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:26:04,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:26:04,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:26:04,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:26:04,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:26:04,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:26:04,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:26:04,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:26:04,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:26:04,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:26:04,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:26:04,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:26:04,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:26:04,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:26:04,684 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:26:04,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:26:04,685 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:26:04,685 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:26:04,686 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:26:04,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:26:04,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:26:04,687 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:26:04,688 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:26:04,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:26:04,688 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:26:04,688 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:26:04,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:26:04,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:26:04,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:26:04,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:26:04,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:26:04,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:26:04,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:26:04,691 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:26:04,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:26:04,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:26:04,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:26:04,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:26:04,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:26:04,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:26:04,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:26:04,694 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:26:04,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:26:04,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:26:04,695 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:26:04,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:26:04,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:26:04,696 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:26:04,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46affb860f1d0d7b6656a3074088d89f6e139022ec85b08907ba16419f351bb9 [2022-11-25 23:26:05,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:26:05,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:26:05,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:26:05,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:26:05,095 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:26:05,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/termination-crafted/Binary_Search-2.c [2022-11-25 23:26:08,519 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:26:08,737 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:26:08,738 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/sv-benchmarks/c/termination-crafted/Binary_Search-2.c [2022-11-25 23:26:08,746 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/data/9765b8c0f/fb0c5ecb31894eb6ab8d6631360605a9/FLAG9e301cd3b [2022-11-25 23:26:08,768 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/data/9765b8c0f/fb0c5ecb31894eb6ab8d6631360605a9 [2022-11-25 23:26:08,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:26:08,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:26:08,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:26:08,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:26:08,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:26:08,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:26:08" (1/1) ... [2022-11-25 23:26:08,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ddfccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:08, skipping insertion in model container [2022-11-25 23:26:08,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:26:08" (1/1) ... [2022-11-25 23:26:08,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:26:08,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:26:09,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:26:09,064 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:26:09,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:26:09,106 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:26:09,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09 WrapperNode [2022-11-25 23:26:09,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:26:09,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:26:09,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:26:09,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:26:09,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09" (1/1) ... [2022-11-25 23:26:09,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09" (1/1) ... [2022-11-25 23:26:09,142 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2022-11-25 23:26:09,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:26:09,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:26:09,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:26:09,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:26:09,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09" (1/1) ... [2022-11-25 23:26:09,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09" (1/1) ... [2022-11-25 23:26:09,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09" (1/1) ... [2022-11-25 23:26:09,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09" (1/1) ... [2022-11-25 23:26:09,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09" (1/1) ... [2022-11-25 23:26:09,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09" (1/1) ... [2022-11-25 23:26:09,176 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09" (1/1) ... [2022-11-25 23:26:09,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09" (1/1) ... [2022-11-25 23:26:09,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:26:09,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:26:09,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:26:09,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:26:09,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09" (1/1) ... [2022-11-25 23:26:09,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:26:09,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:26:09,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:26:09,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:26:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure binary_search [2022-11-25 23:26:09,275 INFO L138 BoogieDeclarations]: Found implementation of procedure binary_search [2022-11-25 23:26:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:26:09,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:26:09,357 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:26:09,360 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:26:09,547 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:26:09,562 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:26:09,562 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:26:09,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:26:09 BoogieIcfgContainer [2022-11-25 23:26:09,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:26:09,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:26:09,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:26:09,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:26:09,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:26:08" (1/3) ... [2022-11-25 23:26:09,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4884d7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:26:09, skipping insertion in model container [2022-11-25 23:26:09,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:09" (2/3) ... [2022-11-25 23:26:09,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4884d7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:26:09, skipping insertion in model container [2022-11-25 23:26:09,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:26:09" (3/3) ... [2022-11-25 23:26:09,577 INFO L112 eAbstractionObserver]: Analyzing ICFG Binary_Search-2.c [2022-11-25 23:26:09,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:26:09,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 23:26:09,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:26:09,673 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@17024e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:26:09,673 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-25 23:26:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 17 states have (on average 1.588235294117647) internal successors, (27), 23 states have internal predecessors, (27), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:26:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:26:09,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:09,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:26:09,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:26:09,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:09,697 INFO L85 PathProgramCache]: Analyzing trace with hash -145359993, now seen corresponding path program 1 times [2022-11-25 23:26:09,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:09,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980666418] [2022-11-25 23:26:09,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:09,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:10,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:26:10,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:10,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980666418] [2022-11-25 23:26:10,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980666418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:10,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:26:10,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:26:10,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800135742] [2022-11-25 23:26:10,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:10,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:26:10,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:10,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:26:10,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:26:10,118 INFO L87 Difference]: Start difference. First operand has 28 states, 17 states have (on average 1.588235294117647) internal successors, (27), 23 states have internal predecessors, (27), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:10,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:10,463 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2022-11-25 23:26:10,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:26:10,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-25 23:26:10,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:10,476 INFO L225 Difference]: With dead ends: 53 [2022-11-25 23:26:10,477 INFO L226 Difference]: Without dead ends: 36 [2022-11-25 23:26:10,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:26:10,490 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 53 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:10,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 96 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:26:10,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-25 23:26:10,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 29. [2022-11-25 23:26:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 26 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2022-11-25 23:26:10,550 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 7 [2022-11-25 23:26:10,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:10,551 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-11-25 23:26:10,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:10,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-11-25 23:26:10,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:26:10,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:10,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:26:10,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:26:10,553 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:26:10,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:10,555 INFO L85 PathProgramCache]: Analyzing trace with hash -211192449, now seen corresponding path program 1 times [2022-11-25 23:26:10,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:10,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503647100] [2022-11-25 23:26:10,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:10,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:26:10,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:10,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503647100] [2022-11-25 23:26:10,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503647100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:10,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:26:10,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:26:10,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022394769] [2022-11-25 23:26:10,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:10,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:26:10,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:10,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:26:10,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:26:10,698 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:10,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:10,796 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2022-11-25 23:26:10,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:26:10,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:26:10,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:10,797 INFO L225 Difference]: With dead ends: 54 [2022-11-25 23:26:10,798 INFO L226 Difference]: Without dead ends: 52 [2022-11-25 23:26:10,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:26:10,800 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 38 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:10,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 55 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:26:10,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-25 23:26:10,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 46. [2022-11-25 23:26:10,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 35 states have (on average 1.457142857142857) internal successors, (51), 41 states have internal predecessors, (51), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:10,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2022-11-25 23:26:10,811 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 8 [2022-11-25 23:26:10,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:10,811 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2022-11-25 23:26:10,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:10,812 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-11-25 23:26:10,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:26:10,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:10,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:26:10,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:26:10,813 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting binary_searchErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:26:10,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:10,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1900580733, now seen corresponding path program 1 times [2022-11-25 23:26:10,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:10,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842404947] [2022-11-25 23:26:10,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:10,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:10,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:26:10,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:10,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842404947] [2022-11-25 23:26:10,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842404947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:10,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:26:10,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 23:26:10,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382136516] [2022-11-25 23:26:10,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:10,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:26:10,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:10,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:26:10,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:26:10,985 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:11,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:11,132 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2022-11-25 23:26:11,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:26:11,133 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 23:26:11,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:11,134 INFO L225 Difference]: With dead ends: 46 [2022-11-25 23:26:11,134 INFO L226 Difference]: Without dead ends: 43 [2022-11-25 23:26:11,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:26:11,136 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 46 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:11,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 17 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:26:11,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-25 23:26:11,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 28. [2022-11-25 23:26:11,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 25 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2022-11-25 23:26:11,148 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 12 [2022-11-25 23:26:11,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:11,148 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-11-25 23:26:11,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-11-25 23:26:11,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:26:11,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:11,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:26:11,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:26:11,150 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting binary_searchErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:26:11,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:11,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1211539473, now seen corresponding path program 1 times [2022-11-25 23:26:11,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:11,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164818973] [2022-11-25 23:26:11,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:11,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:26:11,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:11,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164818973] [2022-11-25 23:26:11,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164818973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:11,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:26:11,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:26:11,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009417261] [2022-11-25 23:26:11,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:11,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:26:11,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:11,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:26:11,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:26:11,303 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:11,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:11,387 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-11-25 23:26:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:26:11,388 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-25 23:26:11,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:11,388 INFO L225 Difference]: With dead ends: 28 [2022-11-25 23:26:11,388 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:26:11,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-25 23:26:11,391 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 26 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:11,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 18 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:26:11,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:26:11,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:26:11,393 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) [2022-11-25 23:26:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:26:11,394 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-25 23:26:11,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:11,394 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:26:11,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:26:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:26:11,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:26:11,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-25 23:26:11,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-25 23:26:11,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location binary_searchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-25 23:26:11,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location binary_searchErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-25 23:26:11,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location binary_searchErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-25 23:26:11,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location binary_searchErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-25 23:26:11,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:26:11,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:26:11,564 INFO L899 garLoopResultBuilder]: For program point binary_searchEXIT(lines 8 15) no Hoare annotation was computed. [2022-11-25 23:26:11,565 INFO L899 garLoopResultBuilder]: For program point binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-25 23:26:11,565 INFO L899 garLoopResultBuilder]: For program point binary_searchErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-25 23:26:11,565 INFO L899 garLoopResultBuilder]: For program point binary_searchErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-11-25 23:26:11,567 INFO L895 garLoopResultBuilder]: At program point L13(line 13) the Hoare annotation is: (or (not (<= 0 (+ |binary_search_#in~i| 1073741823))) (not (<= |binary_search_#in~j| 1073741823)) (and (<= 0 (+ binary_search_~i 1073741823)) (<= binary_search_~j 1073741823) (<= 0 (+ 1073741823 binary_search_~mid~0)) (<= binary_search_~mid~0 1073741823) (<= (+ binary_search_~j binary_search_~i) 2147483645) (<= 0 (+ binary_search_~j binary_search_~i 2147483645)))) [2022-11-25 23:26:11,568 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-11-25 23:26:11,568 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2022-11-25 23:26:11,568 INFO L899 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2022-11-25 23:26:11,568 INFO L899 garLoopResultBuilder]: For program point L11-2(line 11) no Hoare annotation was computed. [2022-11-25 23:26:11,569 INFO L899 garLoopResultBuilder]: For program point L11-3(line 11) no Hoare annotation was computed. [2022-11-25 23:26:11,569 INFO L899 garLoopResultBuilder]: For program point binary_searchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-25 23:26:11,570 INFO L899 garLoopResultBuilder]: For program point binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-25 23:26:11,570 INFO L902 garLoopResultBuilder]: At program point binary_searchENTRY(lines 8 15) the Hoare annotation is: true [2022-11-25 23:26:11,570 INFO L899 garLoopResultBuilder]: For program point binary_searchErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-11-25 23:26:11,571 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2022-11-25 23:26:11,571 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2022-11-25 23:26:11,571 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 13) no Hoare annotation was computed. [2022-11-25 23:26:11,572 INFO L895 garLoopResultBuilder]: At program point L14-2(line 14) the Hoare annotation is: (or (not (<= 0 (+ |binary_search_#in~i| 1073741823))) (not (<= |binary_search_#in~j| 1073741823)) (and (<= 0 (+ binary_search_~i 1073741823)) (<= binary_search_~j 1073741823) (<= 0 (+ 1073741823 binary_search_~mid~0)) (<= binary_search_~mid~0 1073741823) (<= (+ binary_search_~j binary_search_~i) 2147483645) (<= 0 (+ binary_search_~j binary_search_~i 2147483645)))) [2022-11-25 23:26:11,572 INFO L899 garLoopResultBuilder]: For program point L14-3(line 14) no Hoare annotation was computed. [2022-11-25 23:26:11,572 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-11-25 23:26:11,573 INFO L899 garLoopResultBuilder]: For program point binary_searchFINAL(lines 8 15) no Hoare annotation was computed. [2022-11-25 23:26:11,573 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:26:11,573 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:26:11,574 INFO L895 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 1073741823)) [2022-11-25 23:26:11,574 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2022-11-25 23:26:11,575 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2022-11-25 23:26:11,575 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2022-11-25 23:26:11,577 INFO L902 garLoopResultBuilder]: At program point L18(lines 18 25) the Hoare annotation is: true [2022-11-25 23:26:11,586 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 23:26:11,593 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:26:11,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:26:11 BoogieIcfgContainer [2022-11-25 23:26:11,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:26:11,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:26:11,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:26:11,606 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:26:11,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:26:09" (3/4) ... [2022-11-25 23:26:11,616 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:26:11,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure binary_search [2022-11-25 23:26:11,627 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 23:26:11,627 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 23:26:11,627 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 23:26:11,680 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:26:11,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:26:11,681 INFO L158 Benchmark]: Toolchain (without parser) took 2901.36ms. Allocated memory is still 161.5MB. Free memory was 119.7MB in the beginning and 133.4MB in the end (delta: -13.7MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-11-25 23:26:11,681 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 50.2MB in the beginning and 50.1MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:26:11,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.63ms. Allocated memory is still 161.5MB. Free memory was 119.7MB in the beginning and 110.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 23:26:11,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.33ms. Allocated memory is still 161.5MB. Free memory was 110.4MB in the beginning and 108.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:26:11,682 INFO L158 Benchmark]: Boogie Preprocessor took 41.77ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 107.9MB in the end (delta: 947.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:26:11,683 INFO L158 Benchmark]: RCFGBuilder took 380.46ms. Allocated memory is still 161.5MB. Free memory was 107.9MB in the beginning and 97.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 23:26:11,683 INFO L158 Benchmark]: TraceAbstraction took 2034.92ms. Allocated memory is still 161.5MB. Free memory was 96.6MB in the beginning and 61.6MB in the end (delta: 34.9MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2022-11-25 23:26:11,684 INFO L158 Benchmark]: Witness Printer took 75.46ms. Allocated memory is still 161.5MB. Free memory was 61.6MB in the beginning and 133.4MB in the end (delta: -71.7MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-11-25 23:26:11,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 50.2MB in the beginning and 50.1MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.63ms. Allocated memory is still 161.5MB. Free memory was 119.7MB in the beginning and 110.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.33ms. Allocated memory is still 161.5MB. Free memory was 110.4MB in the beginning and 108.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.77ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 107.9MB in the end (delta: 947.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.46ms. Allocated memory is still 161.5MB. Free memory was 107.9MB in the beginning and 97.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2034.92ms. Allocated memory is still 161.5MB. Free memory was 96.6MB in the beginning and 61.6MB in the end (delta: 34.9MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Witness Printer took 75.46ms. Allocated memory is still 161.5MB. Free memory was 61.6MB in the beginning and 133.4MB in the end (delta: -71.7MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 28 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 164 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 136 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 50 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=2, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 14 PreInvPairs, 15 NumberOfFragments, 89 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 86 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 6 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 23:26:11,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4c0c1a-7ef4-4e57-99f1-ea074e2690be/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE