./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/verifythis/lcp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/verifythis/lcp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba --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 32bit --witnessprinter.graph.data.programhash 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a --- 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-b5237d8 [2022-11-22 00:09:00,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:09:00,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:09:00,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:09:00,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:09:00,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:09:00,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:09:00,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:09:00,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:09:00,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:09:00,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:09:00,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:09:00,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:09:00,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:09:00,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:09:00,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:09:00,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:09:00,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:09:00,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:09:00,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:09:00,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:09:00,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:09:00,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:09:00,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:09:00,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:09:00,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:09:00,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:09:00,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:09:00,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:09:00,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:09:00,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:09:00,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:09:00,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:09:00,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:09:00,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:09:00,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:09:00,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:09:00,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:09:00,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:09:00,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:09:00,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:09:00,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 00:09:01,012 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:09:01,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:09:01,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:09:01,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:09:01,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:09:01,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:09:01,014 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:09:01,015 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:09:01,015 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:09:01,015 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:09:01,015 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:09:01,016 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:09:01,016 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:09:01,016 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:09:01,016 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:09:01,016 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:09:01,017 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:09:01,017 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:09:01,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:09:01,018 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:09:01,018 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:09:01,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:09:01,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:09:01,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:09:01,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:09:01,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:09:01,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:09:01,020 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:09:01,020 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:09:01,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:09:01,020 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:09:01,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:09:01,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:09:01,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:09:01,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:09:01,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:09:01,022 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:09:01,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:09:01,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:09:01,023 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:09:01,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:09:01,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:09:01,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:09:01,024 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_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a [2022-11-22 00:09:01,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:09:01,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:09:01,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:09:01,384 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:09:01,384 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:09:01,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/verifythis/lcp.c [2022-11-22 00:09:04,407 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:09:04,608 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:09:04,609 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/sv-benchmarks/c/verifythis/lcp.c [2022-11-22 00:09:04,616 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/data/8602268b3/ae1dd44d873e48569e494f88db77756d/FLAGbe86d1936 [2022-11-22 00:09:04,638 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/data/8602268b3/ae1dd44d873e48569e494f88db77756d [2022-11-22 00:09:04,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:09:04,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:09:04,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:09:04,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:09:04,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:09:04,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:04,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd8df04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04, skipping insertion in model container [2022-11-22 00:09:04,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:04,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:09:04,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:09:04,892 WARN L237 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_19d4cd30-f868-49d7-a930-75beaffb1266/sv-benchmarks/c/verifythis/lcp.c[515,528] [2022-11-22 00:09:04,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:09:04,943 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:09:04,954 WARN L237 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_19d4cd30-f868-49d7-a930-75beaffb1266/sv-benchmarks/c/verifythis/lcp.c[515,528] [2022-11-22 00:09:04,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:09:04,979 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:09:04,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04 WrapperNode [2022-11-22 00:09:04,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:09:04,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:09:04,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:09:04,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:09:04,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:04,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:05,018 INFO L138 Inliner]: procedures = 20, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 116 [2022-11-22 00:09:05,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:09:05,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:09:05,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:09:05,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:09:05,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:05,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:05,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:05,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:05,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:05,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:05,042 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:05,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:05,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:09:05,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:09:05,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:09:05,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:09:05,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04" (1/1) ... [2022-11-22 00:09:05,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:09:05,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:09:05,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:09:05,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:09:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:09:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 00:09:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 00:09:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:09:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:09:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:09:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:09:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:09:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 00:09:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 00:09:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:09:05,217 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:09:05,219 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:09:05,531 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:09:05,597 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:09:05,597 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 00:09:05,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:09:05 BoogieIcfgContainer [2022-11-22 00:09:05,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:09:05,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:09:05,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:09:05,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:09:05,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:09:04" (1/3) ... [2022-11-22 00:09:05,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8ef27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:09:05, skipping insertion in model container [2022-11-22 00:09:05,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:04" (2/3) ... [2022-11-22 00:09:05,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8ef27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:09:05, skipping insertion in model container [2022-11-22 00:09:05,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:09:05" (3/3) ... [2022-11-22 00:09:05,628 INFO L112 eAbstractionObserver]: Analyzing ICFG lcp.c [2022-11-22 00:09:05,655 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:09:05,656 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-11-22 00:09:05,704 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:09:05,711 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;@7a813ad2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:09:05,711 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-11-22 00:09:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 59 states have internal predecessors, (65), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 00:09:05,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 00:09:05,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:05,726 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:05,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:05,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:05,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1280306801, now seen corresponding path program 1 times [2022-11-22 00:09:05,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:05,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121167208] [2022-11-22 00:09:05,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:05,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:06,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:06,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121167208] [2022-11-22 00:09:06,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121167208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:06,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:09:06,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:09:06,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123065640] [2022-11-22 00:09:06,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:06,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:09:06,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:06,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:09:06,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:09:06,230 INFO L87 Difference]: Start difference. First operand has 67 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 59 states have internal predecessors, (65), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:09:06,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:06,561 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2022-11-22 00:09:06,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:09:06,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 10 [2022-11-22 00:09:06,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:06,578 INFO L225 Difference]: With dead ends: 163 [2022-11-22 00:09:06,579 INFO L226 Difference]: Without dead ends: 115 [2022-11-22 00:09:06,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:09:06,589 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 165 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:06,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 119 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 00:09:06,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-22 00:09:06,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 71. [2022-11-22 00:09:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 43 states have (on average 1.697674418604651) internal successors, (73), 64 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 00:09:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 81 transitions. [2022-11-22 00:09:06,651 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 81 transitions. Word has length 10 [2022-11-22 00:09:06,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:06,652 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 81 transitions. [2022-11-22 00:09:06,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:09:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2022-11-22 00:09:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 00:09:06,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:06,654 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:06,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:09:06,655 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:06,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:06,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1034805213, now seen corresponding path program 1 times [2022-11-22 00:09:06,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:06,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564918358] [2022-11-22 00:09:06,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:06,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:06,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:06,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564918358] [2022-11-22 00:09:06,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564918358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:06,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:09:06,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:09:06,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351846005] [2022-11-22 00:09:06,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:06,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:09:06,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:06,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:09:06,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:09:06,798 INFO L87 Difference]: Start difference. First operand 71 states and 81 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:09:06,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:06,943 INFO L93 Difference]: Finished difference Result 115 states and 125 transitions. [2022-11-22 00:09:06,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:09:06,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 11 [2022-11-22 00:09:06,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:06,948 INFO L225 Difference]: With dead ends: 115 [2022-11-22 00:09:06,949 INFO L226 Difference]: Without dead ends: 113 [2022-11-22 00:09:06,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:09:06,952 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 137 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:06,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 117 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:09:06,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-11-22 00:09:06,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 72. [2022-11-22 00:09:06,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 44 states have (on average 1.6590909090909092) internal successors, (73), 65 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 00:09:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2022-11-22 00:09:06,975 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 11 [2022-11-22 00:09:06,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:06,976 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2022-11-22 00:09:06,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:09:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2022-11-22 00:09:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 00:09:06,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:06,978 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:06,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:09:06,979 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:06,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:06,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1984601409, now seen corresponding path program 1 times [2022-11-22 00:09:06,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:06,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889322294] [2022-11-22 00:09:06,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:06,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:07,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:07,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889322294] [2022-11-22 00:09:07,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889322294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:07,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:09:07,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:09:07,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752516110] [2022-11-22 00:09:07,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:07,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:09:07,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:07,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:09:07,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:09:07,195 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:09:07,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:07,280 INFO L93 Difference]: Finished difference Result 113 states and 123 transitions. [2022-11-22 00:09:07,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:09:07,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2022-11-22 00:09:07,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:07,282 INFO L225 Difference]: With dead ends: 113 [2022-11-22 00:09:07,283 INFO L226 Difference]: Without dead ends: 111 [2022-11-22 00:09:07,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:09:07,284 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 142 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:07,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 111 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:09:07,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-11-22 00:09:07,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 73. [2022-11-22 00:09:07,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 66 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 00:09:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2022-11-22 00:09:07,297 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 13 [2022-11-22 00:09:07,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:07,297 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions. [2022-11-22 00:09:07,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:09:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2022-11-22 00:09:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 00:09:07,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:07,299 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:07,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:09:07,300 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:07,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:07,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1393101482, now seen corresponding path program 1 times [2022-11-22 00:09:07,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:07,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025551038] [2022-11-22 00:09:07,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:07,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:07,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:07,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025551038] [2022-11-22 00:09:07,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025551038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:07,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:09:07,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:09:07,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334876588] [2022-11-22 00:09:07,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:07,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:09:07,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:07,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:09:07,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:09:07,401 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:09:07,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:07,505 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2022-11-22 00:09:07,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:09:07,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2022-11-22 00:09:07,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:07,509 INFO L225 Difference]: With dead ends: 111 [2022-11-22 00:09:07,510 INFO L226 Difference]: Without dead ends: 109 [2022-11-22 00:09:07,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:09:07,520 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 126 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:07,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 121 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:09:07,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-22 00:09:07,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 74. [2022-11-22 00:09:07,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 46 states have (on average 1.5869565217391304) internal successors, (73), 67 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 00:09:07,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2022-11-22 00:09:07,539 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 14 [2022-11-22 00:09:07,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:07,539 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2022-11-22 00:09:07,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:09:07,540 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2022-11-22 00:09:07,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 00:09:07,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:07,541 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:07,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:09:07,541 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:07,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:07,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1265010793, now seen corresponding path program 1 times [2022-11-22 00:09:07,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:07,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476825301] [2022-11-22 00:09:07,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:07,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:07,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:07,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:07,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476825301] [2022-11-22 00:09:07,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476825301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:07,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:09:07,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:09:07,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876817142] [2022-11-22 00:09:07,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:07,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:09:07,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:07,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:09:07,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:09:07,580 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:09:07,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:07,607 INFO L93 Difference]: Finished difference Result 133 states and 144 transitions. [2022-11-22 00:09:07,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:09:07,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2022-11-22 00:09:07,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:07,608 INFO L225 Difference]: With dead ends: 133 [2022-11-22 00:09:07,608 INFO L226 Difference]: Without dead ends: 75 [2022-11-22 00:09:07,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:09:07,610 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:07,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:09:07,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-22 00:09:07,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-22 00:09:07,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.574468085106383) internal successors, (74), 68 states have internal predecessors, (74), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 00:09:07,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 82 transitions. [2022-11-22 00:09:07,620 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 82 transitions. Word has length 16 [2022-11-22 00:09:07,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:07,620 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 82 transitions. [2022-11-22 00:09:07,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:09:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2022-11-22 00:09:07,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 00:09:07,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:07,622 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:07,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 00:09:07,622 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:07,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:07,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1410373208, now seen corresponding path program 1 times [2022-11-22 00:09:07,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:07,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266678344] [2022-11-22 00:09:07,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:07,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:09:07,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:07,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266678344] [2022-11-22 00:09:07,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266678344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:07,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:09:07,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 00:09:07,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105002004] [2022-11-22 00:09:07,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:07,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 00:09:07,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:07,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 00:09:07,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-22 00:09:07,884 INFO L87 Difference]: Start difference. First operand 75 states and 82 transitions. Second operand has 7 states, 4 states have (on average 3.25) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 00:09:08,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:08,153 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2022-11-22 00:09:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 00:09:08,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 3.25) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 20 [2022-11-22 00:09:08,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:08,155 INFO L225 Difference]: With dead ends: 111 [2022-11-22 00:09:08,155 INFO L226 Difference]: Without dead ends: 110 [2022-11-22 00:09:08,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-22 00:09:08,157 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 173 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:08,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 139 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 00:09:08,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-22 00:09:08,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 80. [2022-11-22 00:09:08,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 72 states have internal predecessors, (79), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 00:09:08,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2022-11-22 00:09:08,185 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 20 [2022-11-22 00:09:08,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:08,185 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2022-11-22 00:09:08,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 3.25) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 00:09:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2022-11-22 00:09:08,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-22 00:09:08,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:08,186 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:08,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 00:09:08,187 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:08,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:08,187 INFO L85 PathProgramCache]: Analyzing trace with hash -771896397, now seen corresponding path program 1 times [2022-11-22 00:09:08,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:08,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646550249] [2022-11-22 00:09:08,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:08,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:09:08,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:08,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646550249] [2022-11-22 00:09:08,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646550249] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:09:08,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485540967] [2022-11-22 00:09:08,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:08,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:09:08,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:09:08,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:09:08,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 00:09:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:08,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 00:09:08,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:09:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:09:08,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:09:08,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:09:08,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485540967] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:09:08,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1575265151] [2022-11-22 00:09:08,835 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-22 00:09:08,835 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:09:08,839 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:09:08,846 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:09:08,846 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:09:09,082 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:09:09,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:09:09,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:09:09,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:09:09,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2022-11-22 00:09:09,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 00:09:10,126 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2022-11-22 00:09:10,129 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:09:14,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1575265151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:14,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:09:14,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [7, 4, 4] total 22 [2022-11-22 00:09:14,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821883305] [2022-11-22 00:09:14,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:14,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-22 00:09:14,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:14,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-22 00:09:14,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-22 00:09:14,812 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-22 00:09:15,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:15,499 INFO L93 Difference]: Finished difference Result 182 states and 199 transitions. [2022-11-22 00:09:15,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-22 00:09:15,500 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) Word has length 21 [2022-11-22 00:09:15,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:15,501 INFO L225 Difference]: With dead ends: 182 [2022-11-22 00:09:15,501 INFO L226 Difference]: Without dead ends: 110 [2022-11-22 00:09:15,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-22 00:09:15,502 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 441 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:15,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 201 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 00:09:15,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-22 00:09:15,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 80. [2022-11-22 00:09:15,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 72 states have internal predecessors, (78), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 00:09:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2022-11-22 00:09:15,520 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 21 [2022-11-22 00:09:15,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:15,521 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2022-11-22 00:09:15,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-22 00:09:15,521 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2022-11-22 00:09:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 00:09:15,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:15,522 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:15,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 00:09:15,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:09:15,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:15,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:15,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1386366505, now seen corresponding path program 1 times [2022-11-22 00:09:15,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:15,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306800670] [2022-11-22 00:09:15,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:15,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:09:15,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:15,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306800670] [2022-11-22 00:09:15,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306800670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:15,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:09:15,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:09:15,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405119200] [2022-11-22 00:09:15,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:15,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 00:09:15,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:15,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 00:09:15,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 00:09:15,905 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 6 states, 3 states have (on average 5.333333333333333) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 00:09:15,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:15,994 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2022-11-22 00:09:15,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 00:09:15,995 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 3 states have (on average 5.333333333333333) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 23 [2022-11-22 00:09:15,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:15,996 INFO L225 Difference]: With dead ends: 80 [2022-11-22 00:09:15,996 INFO L226 Difference]: Without dead ends: 79 [2022-11-22 00:09:15,997 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 [2022-11-22 00:09:15,998 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 97 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:15,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 145 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:09:15,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-22 00:09:16,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-11-22 00:09:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 71 states have internal predecessors, (77), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 00:09:16,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2022-11-22 00:09:16,021 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 23 [2022-11-22 00:09:16,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:16,022 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2022-11-22 00:09:16,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 3 states have (on average 5.333333333333333) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 00:09:16,022 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2022-11-22 00:09:16,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 00:09:16,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:16,023 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:16,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 00:09:16,024 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:16,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:16,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1732673473, now seen corresponding path program 1 times [2022-11-22 00:09:16,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:16,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327967046] [2022-11-22 00:09:16,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:16,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:16,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:16,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327967046] [2022-11-22 00:09:16,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327967046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:16,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:09:16,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:09:16,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512163168] [2022-11-22 00:09:16,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:16,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:09:16,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:16,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:09:16,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:09:16,084 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:09:16,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:16,155 INFO L93 Difference]: Finished difference Result 108 states and 117 transitions. [2022-11-22 00:09:16,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:09:16,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-22 00:09:16,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:16,159 INFO L225 Difference]: With dead ends: 108 [2022-11-22 00:09:16,159 INFO L226 Difference]: Without dead ends: 106 [2022-11-22 00:09:16,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:09:16,161 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 31 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:16,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 161 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:09:16,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-22 00:09:16,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 81. [2022-11-22 00:09:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 53 states have (on average 1.490566037735849) internal successors, (79), 73 states have internal predecessors, (79), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 00:09:16,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 89 transitions. [2022-11-22 00:09:16,178 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 89 transitions. Word has length 22 [2022-11-22 00:09:16,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:16,178 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 89 transitions. [2022-11-22 00:09:16,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:09:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2022-11-22 00:09:16,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-22 00:09:16,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:16,181 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:16,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 00:09:16,182 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:16,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:16,183 INFO L85 PathProgramCache]: Analyzing trace with hash -27688602, now seen corresponding path program 1 times [2022-11-22 00:09:16,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:16,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610807488] [2022-11-22 00:09:16,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:16,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:09:16,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:16,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610807488] [2022-11-22 00:09:16,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610807488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:16,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:09:16,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:09:16,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323245448] [2022-11-22 00:09:16,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:16,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 00:09:16,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:16,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 00:09:16,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:09:16,336 INFO L87 Difference]: Start difference. First operand 81 states and 89 transitions. Second operand has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 00:09:16,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:16,460 INFO L93 Difference]: Finished difference Result 108 states and 116 transitions. [2022-11-22 00:09:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:09:16,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2022-11-22 00:09:16,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:16,462 INFO L225 Difference]: With dead ends: 108 [2022-11-22 00:09:16,462 INFO L226 Difference]: Without dead ends: 77 [2022-11-22 00:09:16,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 00:09:16,463 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 8 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:16,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 170 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:09:16,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-22 00:09:16,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-22 00:09:16,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 50 states have (on average 1.48) internal successors, (74), 70 states have internal predecessors, (74), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 00:09:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2022-11-22 00:09:16,478 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 24 [2022-11-22 00:09:16,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:16,479 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2022-11-22 00:09:16,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 00:09:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2022-11-22 00:09:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-22 00:09:16,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:16,480 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:16,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 00:09:16,481 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:16,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:16,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1348105819, now seen corresponding path program 1 times [2022-11-22 00:09:16,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:16,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520544821] [2022-11-22 00:09:16,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:16,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:16,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:16,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520544821] [2022-11-22 00:09:16,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520544821] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:09:16,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229808542] [2022-11-22 00:09:16,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:16,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:09:16,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:09:16,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:09:16,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 00:09:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:16,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-22 00:09:16,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:09:16,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:16,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:09:16,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:16,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229808542] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:09:16,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [309246498] [2022-11-22 00:09:16,902 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-22 00:09:16,902 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:09:16,903 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:09:16,903 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:09:16,903 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:09:17,033 INFO L321 Elim1Store]: treesize reduction 22, result has 46.3 percent of original size [2022-11-22 00:09:17,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 65 [2022-11-22 00:09:17,111 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:09:17,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:09:17,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 00:09:18,466 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 128 for LOIs [2022-11-22 00:09:18,539 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:09:23,949 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2655#(and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483648)) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934588) (<= 4 |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1|) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= |ULTIMATE.start_main_#t~malloc17#1.offset| 0) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~y#1|)) (<= |ULTIMATE.start_lcp_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934592)) (<= 0 (+ |ULTIMATE.start_lcp_#in~x#1| 2147483648)) (<= |ULTIMATE.start_lcp_~x#1| 2147483647) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_lcp_~y#1| 2147483647) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483647) (<= |#NULL.offset| 0) (<= 0 (+ |ULTIMATE.start_lcp_#in~n#1| 2147483648)) (<= 0 |ULTIMATE.start_lcp_#in~a#1.offset|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (<= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_lcp_~l~0#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~n#1|)) (<= 0 (+ |ULTIMATE.start_lcp_#in~y#1| 2147483648)) (<= |ULTIMATE.start_lcp_#in~y#1| 2147483647) (<= |#NULL.base| 0) (<= |ULTIMATE.start_lcp_~a#1.offset| 0) (<= |ULTIMATE.start_lcp_~n#1| 2147483647) (<= 0 |ULTIMATE.start_main_#t~malloc17#1.offset|) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= 0 |ULTIMATE.start_lcp_~a#1.offset|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= |ULTIMATE.start_lcp_#in~x#1| 2147483647) (<= 0 |#NULL.offset|) (not (<= (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_~x#1|) 2147483647)) (<= |ULTIMATE.start_lcp_#in~n#1| 2147483647) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))' at error location [2022-11-22 00:09:23,949 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 00:09:23,949 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:09:23,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-11-22 00:09:23,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912180534] [2022-11-22 00:09:23,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 00:09:23,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 00:09:23,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:23,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 00:09:23,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870 [2022-11-22 00:09:23,951 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:09:24,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:24,379 INFO L93 Difference]: Finished difference Result 122 states and 133 transitions. [2022-11-22 00:09:24,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-22 00:09:24,380 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-22 00:09:24,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:24,381 INFO L225 Difference]: With dead ends: 122 [2022-11-22 00:09:24,381 INFO L226 Difference]: Without dead ends: 120 [2022-11-22 00:09:24,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 43 SyntacticMatches, 6 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=266, Invalid=1294, Unknown=0, NotChecked=0, Total=1560 [2022-11-22 00:09:24,383 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 313 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:24,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 317 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 00:09:24,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-22 00:09:24,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 86. [2022-11-22 00:09:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 60 states have (on average 1.5) internal successors, (90), 79 states have internal predecessors, (90), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 00:09:24,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2022-11-22 00:09:24,395 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 24 [2022-11-22 00:09:24,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:24,396 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2022-11-22 00:09:24,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:09:24,396 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2022-11-22 00:09:24,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 00:09:24,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:24,397 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:24,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-22 00:09:24,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:09:24,603 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:24,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:24,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1158392525, now seen corresponding path program 1 times [2022-11-22 00:09:24,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:24,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623094278] [2022-11-22 00:09:24,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:24,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:24,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:24,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623094278] [2022-11-22 00:09:24,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623094278] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:09:24,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131990115] [2022-11-22 00:09:24,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:24,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:09:24,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:09:24,702 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:09:24,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 00:09:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:24,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-22 00:09:24,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:09:24,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:24,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:09:24,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131990115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:24,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:09:24,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-22 00:09:24,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509482403] [2022-11-22 00:09:24,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:24,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 00:09:24,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:24,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 00:09:24,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-22 00:09:24,875 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:09:25,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:25,002 INFO L93 Difference]: Finished difference Result 86 states and 98 transitions. [2022-11-22 00:09:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 00:09:25,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-11-22 00:09:25,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:25,004 INFO L225 Difference]: With dead ends: 86 [2022-11-22 00:09:25,004 INFO L226 Difference]: Without dead ends: 83 [2022-11-22 00:09:25,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-11-22 00:09:25,005 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 138 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:25,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 95 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:09:25,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-22 00:09:25,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 82. [2022-11-22 00:09:25,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.423728813559322) internal successors, (84), 75 states have internal predecessors, (84), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 00:09:25,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2022-11-22 00:09:25,019 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 25 [2022-11-22 00:09:25,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:25,022 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2022-11-22 00:09:25,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:09:25,022 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2022-11-22 00:09:25,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 00:09:25,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:25,023 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:25,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 00:09:25,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-22 00:09:25,229 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:25,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:25,229 INFO L85 PathProgramCache]: Analyzing trace with hash -818685291, now seen corresponding path program 1 times [2022-11-22 00:09:25,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:25,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827578725] [2022-11-22 00:09:25,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:25,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:25,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:25,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827578725] [2022-11-22 00:09:25,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827578725] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:09:25,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858315204] [2022-11-22 00:09:25,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:25,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:09:25,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:09:25,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:09:25,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 00:09:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:25,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 00:09:25,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:09:25,626 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:25,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:09:25,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:25,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858315204] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:09:25,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [804766085] [2022-11-22 00:09:25,722 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-22 00:09:25,722 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:09:25,723 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:09:25,723 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:09:25,723 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:09:25,820 INFO L321 Elim1Store]: treesize reduction 22, result has 46.3 percent of original size [2022-11-22 00:09:25,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 65 [2022-11-22 00:09:25,892 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:09:25,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:09:25,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 00:09:26,998 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 128 for LOIs [2022-11-22 00:09:27,054 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:09:32,291 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3371#(and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483648)) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934588) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= |ULTIMATE.start_lcp_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934592)) (<= 0 (+ |ULTIMATE.start_lcp_#in~x#1| 2147483648)) (not (<= (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_~y#1|) 2147483647)) (<= |ULTIMATE.start_lcp_~x#1| 2147483647) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_lcp_~y#1| 2147483647) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483647) (<= 0 (+ |ULTIMATE.start_lcp_#in~n#1| 2147483648)) (<= 0 |ULTIMATE.start_lcp_#in~a#1.offset|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_#t~malloc17#1.offset| 0) (<= |ULTIMATE.start_lcp_~l~0#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~n#1|)) (<= 0 (+ |ULTIMATE.start_lcp_#in~y#1| 2147483648)) (<= |ULTIMATE.start_lcp_#in~y#1| 2147483647) (<= |ULTIMATE.start_lcp_~a#1.offset| 0) (<= |ULTIMATE.start_lcp_~n#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_lcp_~a#1.offset|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= |ULTIMATE.start_lcp_#in~x#1| 2147483647) (<= |ULTIMATE.start_lcp_#in~n#1| 2147483647) (<= 0 |#StackHeapBarrier|) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~x#1|)) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (= |#NULL.base| 0) (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))' at error location [2022-11-22 00:09:32,291 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 00:09:32,291 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:09:32,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2022-11-22 00:09:32,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227154873] [2022-11-22 00:09:32,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 00:09:32,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-22 00:09:32,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:32,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-22 00:09:32,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=842, Unknown=0, NotChecked=0, Total=992 [2022-11-22 00:09:32,294 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:09:32,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:32,750 INFO L93 Difference]: Finished difference Result 112 states and 124 transitions. [2022-11-22 00:09:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-22 00:09:32,751 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-11-22 00:09:32,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:32,752 INFO L225 Difference]: With dead ends: 112 [2022-11-22 00:09:32,752 INFO L226 Difference]: Without dead ends: 110 [2022-11-22 00:09:32,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 50 SyntacticMatches, 7 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=281, Invalid=1525, Unknown=0, NotChecked=0, Total=1806 [2022-11-22 00:09:32,754 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 318 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:32,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 321 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 00:09:32,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-22 00:09:32,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 80. [2022-11-22 00:09:32,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 73 states have internal predecessors, (81), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 00:09:32,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2022-11-22 00:09:32,767 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 27 [2022-11-22 00:09:32,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:32,767 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2022-11-22 00:09:32,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:09:32,768 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2022-11-22 00:09:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-22 00:09:32,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:32,768 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:32,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 00:09:32,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-22 00:09:32,975 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:32,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:32,975 INFO L85 PathProgramCache]: Analyzing trace with hash 390559808, now seen corresponding path program 1 times [2022-11-22 00:09:32,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:32,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98888225] [2022-11-22 00:09:32,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:32,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:33,104 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:33,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:33,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98888225] [2022-11-22 00:09:33,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98888225] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:09:33,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490519908] [2022-11-22 00:09:33,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:33,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:09:33,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:09:33,107 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:09:33,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 00:09:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:33,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-22 00:09:33,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:09:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:33,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:09:33,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490519908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:33,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:09:33,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-22 00:09:33,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705197824] [2022-11-22 00:09:33,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:33,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 00:09:33,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:33,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 00:09:33,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-22 00:09:33,289 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:09:33,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:33,413 INFO L93 Difference]: Finished difference Result 81 states and 90 transitions. [2022-11-22 00:09:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 00:09:33,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2022-11-22 00:09:33,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:33,415 INFO L225 Difference]: With dead ends: 81 [2022-11-22 00:09:33,415 INFO L226 Difference]: Without dead ends: 79 [2022-11-22 00:09:33,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-11-22 00:09:33,416 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 91 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:33,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 100 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:09:33,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-22 00:09:33,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2022-11-22 00:09:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 71 states have internal predecessors, (78), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 00:09:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 86 transitions. [2022-11-22 00:09:33,428 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 86 transitions. Word has length 28 [2022-11-22 00:09:33,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:33,428 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 86 transitions. [2022-11-22 00:09:33,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:09:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2022-11-22 00:09:33,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 00:09:33,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:33,429 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:33,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 00:09:33,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:09:33,635 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:33,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:33,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1590203666, now seen corresponding path program 1 times [2022-11-22 00:09:33,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:33,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065479851] [2022-11-22 00:09:33,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:33,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:09:33,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:33,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065479851] [2022-11-22 00:09:33,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065479851] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:09:33,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619007711] [2022-11-22 00:09:33,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:33,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:09:33,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:09:33,948 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:09:33,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 00:09:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:34,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-22 00:09:34,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:09:34,216 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:09:34,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:09:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:09:34,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619007711] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:09:34,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1529159553] [2022-11-22 00:09:34,539 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-22 00:09:34,539 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:09:34,539 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:09:34,539 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:09:34,539 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:09:34,665 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-22 00:09:34,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2022-11-22 00:09:34,714 INFO L321 Elim1Store]: treesize reduction 22, result has 46.3 percent of original size [2022-11-22 00:09:34,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 65 [2022-11-22 00:09:34,787 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:09:34,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:09:36,471 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 78 for LOIs [2022-11-22 00:09:36,489 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:09:43,177 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4127#(and (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483648)) (= |ULTIMATE.start_check_#in~y#1| |ULTIMATE.start_check_~y#1|) (= |ULTIMATE.start_check_#in~n#1| |ULTIMATE.start_check_~n#1|) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934588) (= |ULTIMATE.start_check_#in~a#1.base| |ULTIMATE.start_main_~a~0#1.base|) (<= |ULTIMATE.start_main_#t~malloc17#1.offset| 0) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~y#1|)) (<= |ULTIMATE.start_lcp_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934592)) (<= 0 (+ |ULTIMATE.start_lcp_#in~x#1| 2147483648)) (<= |ULTIMATE.start_lcp_~x#1| 2147483647) (<= |ULTIMATE.start_lcp_~y#1| 2147483647) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483647) (not (= (ite (and (< |ULTIMATE.start_check_~i~0#1| |ULTIMATE.start_check_~l#1|) (<= 0 |ULTIMATE.start_check_~i~0#1|)) 1 0) 0)) (<= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_check_#in~x#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~n#1| 2147483648)) (<= 0 |ULTIMATE.start_lcp_#in~a#1.offset|) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_check_#in~y#1|) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_check_#in~a#1.offset|) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_check_#in~n#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~n#1|)) (= |ULTIMATE.start_main_~l~1#1| |ULTIMATE.start_check_#in~l#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~y#1| 2147483648)) (<= |ULTIMATE.start_lcp_#in~y#1| 2147483647) (not (<= (+ |ULTIMATE.start_check_~i~0#1| |ULTIMATE.start_check_~x#1|) 2147483647)) (<= |ULTIMATE.start_lcp_~a#1.offset| 0) (<= |ULTIMATE.start_check_~a#1.offset| 0) (<= |ULTIMATE.start_lcp_~n#1| 2147483647) (<= 0 |ULTIMATE.start_main_#t~malloc17#1.offset|) (= |ULTIMATE.start_main_~l~1#1| |ULTIMATE.start_lcp_#res#1|) (<= |ULTIMATE.start_check_#in~n#1| 2147483647) (<= 0 |ULTIMATE.start_lcp_~a#1.offset|) (= |ULTIMATE.start_check_#in~x#1| |ULTIMATE.start_check_~x#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (= |ULTIMATE.start_check_~a#1.base| |ULTIMATE.start_check_#in~a#1.base|) (<= 0 |ULTIMATE.start_check_~a#1.offset|) (<= |ULTIMATE.start_check_#in~x#1| 2147483647) (<= |ULTIMATE.start_lcp_#in~x#1| 2147483647) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_main_~l~1#1| 2147483647) (= |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_#res#1|) (<= |ULTIMATE.start_lcp_#in~n#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_check_~y#1|)) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_check_#in~l#1| |ULTIMATE.start_check_~l#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~x#1|)) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (<= 0 |ULTIMATE.start_check_#in~a#1.offset|) (= |#NULL.base| 0) (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))' at error location [2022-11-22 00:09:43,177 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 00:09:43,178 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:09:43,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 25 [2022-11-22 00:09:43,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040800522] [2022-11-22 00:09:43,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 00:09:43,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-22 00:09:43,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:43,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-22 00:09:43,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1829, Unknown=0, NotChecked=0, Total=2070 [2022-11-22 00:09:43,180 INFO L87 Difference]: Start difference. First operand 78 states and 86 transitions. Second operand has 26 states, 21 states have (on average 3.380952380952381) internal successors, (71), 23 states have internal predecessors, (71), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-11-22 00:09:44,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:44,576 INFO L93 Difference]: Finished difference Result 186 states and 213 transitions. [2022-11-22 00:09:44,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-22 00:09:44,577 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 21 states have (on average 3.380952380952381) internal successors, (71), 23 states have internal predecessors, (71), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 34 [2022-11-22 00:09:44,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:44,578 INFO L225 Difference]: With dead ends: 186 [2022-11-22 00:09:44,578 INFO L226 Difference]: Without dead ends: 183 [2022-11-22 00:09:44,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 63 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1501 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=693, Invalid=4137, Unknown=0, NotChecked=0, Total=4830 [2022-11-22 00:09:44,580 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 929 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:44,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 187 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 00:09:44,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-22 00:09:44,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 75. [2022-11-22 00:09:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.271186440677966) internal successors, (75), 68 states have internal predecessors, (75), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 00:09:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2022-11-22 00:09:44,596 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 34 [2022-11-22 00:09:44,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:44,597 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2022-11-22 00:09:44,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 21 states have (on average 3.380952380952381) internal successors, (71), 23 states have internal predecessors, (71), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-11-22 00:09:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2022-11-22 00:09:44,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 00:09:44,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:44,598 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:44,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 00:09:44,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-22 00:09:44,803 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:44,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:44,804 INFO L85 PathProgramCache]: Analyzing trace with hash 872083021, now seen corresponding path program 1 times [2022-11-22 00:09:44,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:44,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653472825] [2022-11-22 00:09:44,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:44,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 00:09:44,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:44,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653472825] [2022-11-22 00:09:44,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653472825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:44,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:09:44,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:09:44,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929950485] [2022-11-22 00:09:44,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:44,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:09:44,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:44,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:09:44,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:09:44,857 INFO L87 Difference]: Start difference. First operand 75 states and 83 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:09:44,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:44,899 INFO L93 Difference]: Finished difference Result 124 states and 136 transitions. [2022-11-22 00:09:44,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:09:44,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-11-22 00:09:44,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:44,900 INFO L225 Difference]: With dead ends: 124 [2022-11-22 00:09:44,901 INFO L226 Difference]: Without dead ends: 67 [2022-11-22 00:09:44,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:09:44,906 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 3 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:44,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 133 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:09:44,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-22 00:09:44,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2022-11-22 00:09:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 59 states have internal predecessors, (63), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-22 00:09:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2022-11-22 00:09:44,919 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 34 [2022-11-22 00:09:44,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:44,919 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2022-11-22 00:09:44,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:09:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2022-11-22 00:09:44,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-22 00:09:44,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:44,920 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:44,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 00:09:44,921 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:44,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:44,921 INFO L85 PathProgramCache]: Analyzing trace with hash -822631436, now seen corresponding path program 1 times [2022-11-22 00:09:44,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:44,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893637843] [2022-11-22 00:09:44,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:44,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:09:45,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:45,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893637843] [2022-11-22 00:09:45,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893637843] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:09:45,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544322178] [2022-11-22 00:09:45,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:45,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:09:45,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:09:45,287 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:09:45,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 00:09:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:45,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-22 00:09:45,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:09:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:09:45,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:09:45,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:09:45,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544322178] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:09:45,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [807777896] [2022-11-22 00:09:45,923 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-22 00:09:45,923 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:09:45,924 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:09:45,925 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:09:45,925 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:09:46,048 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:09:46,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:09:46,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 00:09:46,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:09:46,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:09:46,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2022-11-22 00:09:47,604 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 78 for LOIs [2022-11-22 00:09:47,624 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:09:56,379 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4943#(and (not (<= (+ |ULTIMATE.start_check_~i~0#1| |ULTIMATE.start_check_~y#1|) 2147483647)) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483648)) (= |ULTIMATE.start_check_#in~y#1| |ULTIMATE.start_check_~y#1|) (= |ULTIMATE.start_check_#in~n#1| |ULTIMATE.start_check_~n#1|) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934588) (= |ULTIMATE.start_check_#in~a#1.base| |ULTIMATE.start_main_~a~0#1.base|) (<= |ULTIMATE.start_main_#t~malloc17#1.offset| 0) (= |ULTIMATE.start_check_#t~mem11#1| (select (select |#memory_int| |ULTIMATE.start_check_~a#1.base|) (+ |ULTIMATE.start_check_~a#1.offset| (* 4 |ULTIMATE.start_check_~x#1|) (* |ULTIMATE.start_check_~i~0#1| 4)))) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~y#1|)) (<= |ULTIMATE.start_lcp_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934592)) (<= 0 (+ |ULTIMATE.start_lcp_#in~x#1| 2147483648)) (<= |ULTIMATE.start_lcp_~x#1| 2147483647) (<= |ULTIMATE.start_lcp_~y#1| 2147483647) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483647) (not (= (ite (and (< |ULTIMATE.start_check_~i~0#1| |ULTIMATE.start_check_~l#1|) (<= 0 |ULTIMATE.start_check_~i~0#1|)) 1 0) 0)) (<= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_check_#in~x#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~n#1| 2147483648)) (<= 0 |ULTIMATE.start_lcp_#in~a#1.offset|) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_check_#in~y#1|) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_check_#in~a#1.offset|) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_check_#in~n#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~n#1|)) (= |ULTIMATE.start_main_~l~1#1| |ULTIMATE.start_check_#in~l#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~y#1| 2147483648)) (<= |ULTIMATE.start_lcp_#in~y#1| 2147483647) (<= (+ |ULTIMATE.start_check_~i~0#1| |ULTIMATE.start_check_~x#1|) 2147483647) (<= |ULTIMATE.start_lcp_~a#1.offset| 0) (<= |ULTIMATE.start_check_~a#1.offset| 0) (<= |ULTIMATE.start_lcp_~n#1| 2147483647) (<= 0 |ULTIMATE.start_main_#t~malloc17#1.offset|) (= |ULTIMATE.start_main_~l~1#1| |ULTIMATE.start_lcp_#res#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_check_~x#1|)) (<= |ULTIMATE.start_check_#in~n#1| 2147483647) (<= 0 |ULTIMATE.start_lcp_~a#1.offset|) (= |ULTIMATE.start_check_#in~x#1| |ULTIMATE.start_check_~x#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (= |ULTIMATE.start_check_~a#1.base| |ULTIMATE.start_check_#in~a#1.base|) (<= 0 |ULTIMATE.start_check_~a#1.offset|) (<= |ULTIMATE.start_lcp_#in~x#1| 2147483647) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_main_~l~1#1| 2147483647) (= |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_#res#1|) (<= |ULTIMATE.start_lcp_#in~n#1| 2147483647) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_check_#in~l#1| |ULTIMATE.start_check_~l#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~x#1|)) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (<= 0 |ULTIMATE.start_check_#in~a#1.offset|) (= |#NULL.base| 0) (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))' at error location [2022-11-22 00:09:56,379 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 00:09:56,379 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:09:56,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2022-11-22 00:09:56,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881814557] [2022-11-22 00:09:56,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 00:09:56,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-22 00:09:56,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:56,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-22 00:09:56,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=2030, Unknown=0, NotChecked=0, Total=2256 [2022-11-22 00:09:56,382 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand has 25 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 25 states have internal predecessors, (62), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 00:09:57,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:09:57,377 INFO L93 Difference]: Finished difference Result 120 states and 129 transitions. [2022-11-22 00:09:57,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-22 00:09:57,378 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 25 states have internal predecessors, (62), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2022-11-22 00:09:57,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:09:57,379 INFO L225 Difference]: With dead ends: 120 [2022-11-22 00:09:57,379 INFO L226 Difference]: Without dead ends: 119 [2022-11-22 00:09:57,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 69 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=498, Invalid=3792, Unknown=0, NotChecked=0, Total=4290 [2022-11-22 00:09:57,381 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 705 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:09:57,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 313 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 00:09:57,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-22 00:09:57,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 72. [2022-11-22 00:09:57,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 64 states have internal predecessors, (68), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 00:09:57,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 78 transitions. [2022-11-22 00:09:57,399 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 78 transitions. Word has length 36 [2022-11-22 00:09:57,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:09:57,401 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 78 transitions. [2022-11-22 00:09:57,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 25 states have internal predecessors, (62), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 00:09:57,401 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2022-11-22 00:09:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-22 00:09:57,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:57,403 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:57,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 00:09:57,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-22 00:09:57,609 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:09:57,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:57,610 INFO L85 PathProgramCache]: Analyzing trace with hash -101353175, now seen corresponding path program 1 times [2022-11-22 00:09:57,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:57,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528982458] [2022-11-22 00:09:57,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:57,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:57,686 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:57,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:57,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528982458] [2022-11-22 00:09:57,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528982458] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:09:57,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437105333] [2022-11-22 00:09:57,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:57,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:09:57,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:09:57,689 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:09:57,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 00:09:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:57,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 00:09:57,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:09:57,820 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:57,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:09:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:09:57,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437105333] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:09:57,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [854601972] [2022-11-22 00:09:57,892 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-22 00:09:57,893 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:09:57,894 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:09:57,894 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:09:57,894 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:09:57,998 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-11-22 00:09:57,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 46 [2022-11-22 00:09:58,043 INFO L321 Elim1Store]: treesize reduction 22, result has 46.3 percent of original size [2022-11-22 00:09:58,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 65 [2022-11-22 00:09:58,109 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:09:58,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:09:58,951 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 128 for LOIs [2022-11-22 00:09:58,999 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:10:03,643 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5442#(and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483648)) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934588) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~y#1|)) (<= |ULTIMATE.start_lcp_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934592)) (<= 0 (+ |ULTIMATE.start_lcp_#in~x#1| 2147483648)) (<= |ULTIMATE.start_lcp_~x#1| 2147483647) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_lcp_~y#1| 2147483647) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483647) (= |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_#t~post9#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~n#1| 2147483648)) (<= 0 |ULTIMATE.start_lcp_#in~a#1.offset|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_#t~malloc17#1.offset| 0) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~n#1|)) (<= 0 (+ |ULTIMATE.start_lcp_#in~y#1| 2147483648)) (<= |ULTIMATE.start_lcp_#in~y#1| 2147483647) (not (<= |ULTIMATE.start_lcp_#t~post9#1| 2147483646)) (<= |ULTIMATE.start_lcp_~a#1.offset| 0) (<= |ULTIMATE.start_lcp_~n#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_lcp_~a#1.offset|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= |ULTIMATE.start_lcp_#in~x#1| 2147483647) (<= |ULTIMATE.start_lcp_#in~n#1| 2147483647) (<= 0 |#StackHeapBarrier|) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~x#1|)) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (= |#NULL.base| 0) (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))' at error location [2022-11-22 00:10:03,644 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 00:10:03,644 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:10:03,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-22 00:10:03,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818037041] [2022-11-22 00:10:03,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 00:10:03,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 00:10:03,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:03,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 00:10:03,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2022-11-22 00:10:03,646 INFO L87 Difference]: Start difference. First operand 72 states and 78 transitions. Second operand has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 12 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:10:03,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:03,879 INFO L93 Difference]: Finished difference Result 221 states and 247 transitions. [2022-11-22 00:10:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 00:10:03,881 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 12 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-22 00:10:03,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:03,882 INFO L225 Difference]: With dead ends: 221 [2022-11-22 00:10:03,882 INFO L226 Difference]: Without dead ends: 220 [2022-11-22 00:10:03,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 79 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=161, Invalid=961, Unknown=0, NotChecked=0, Total=1122 [2022-11-22 00:10:03,884 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 95 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:03,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 500 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:10:03,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-22 00:10:03,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 114. [2022-11-22 00:10:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 98 states have (on average 1.2142857142857142) internal successors, (119), 106 states have internal predecessors, (119), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 00:10:03,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 129 transitions. [2022-11-22 00:10:03,912 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 129 transitions. Word has length 36 [2022-11-22 00:10:03,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:03,912 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 129 transitions. [2022-11-22 00:10:03,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 12 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:10:03,913 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 129 transitions. [2022-11-22 00:10:03,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-22 00:10:03,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:03,913 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:10:03,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 00:10:04,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-22 00:10:04,115 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:10:04,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:04,115 INFO L85 PathProgramCache]: Analyzing trace with hash 268229355, now seen corresponding path program 1 times [2022-11-22 00:10:04,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:04,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705834598] [2022-11-22 00:10:04,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:04,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:04,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 00:10:04,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:04,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705834598] [2022-11-22 00:10:04,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705834598] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:10:04,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404045624] [2022-11-22 00:10:04,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:04,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:10:04,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:10:04,290 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:10:04,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-22 00:10:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:04,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 00:10:04,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:10:04,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-22 00:10:04,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:10:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-22 00:10:04,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404045624] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:10:04,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1182369111] [2022-11-22 00:10:04,516 INFO L159 IcfgInterpreter]: Started Sifa with 28 locations of interest [2022-11-22 00:10:04,516 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:10:04,516 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:10:04,517 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:10:04,517 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:10:04,636 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:10:04,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:10:04,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:10:04,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:10:04,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2022-11-22 00:10:04,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 00:10:06,306 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 78 for LOIs [2022-11-22 00:10:06,324 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:10:13,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1182369111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:13,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:10:13,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [5, 4, 4] total 30 [2022-11-22 00:10:13,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689935679] [2022-11-22 00:10:13,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:13,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-22 00:10:13,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:13,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-22 00:10:13,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=777, Unknown=0, NotChecked=0, Total=930 [2022-11-22 00:10:13,905 INFO L87 Difference]: Start difference. First operand 114 states and 129 transitions. Second operand has 25 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 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) [2022-11-22 00:10:24,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:24,501 INFO L93 Difference]: Finished difference Result 114 states and 129 transitions. [2022-11-22 00:10:24,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-22 00:10:24,501 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 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) Word has length 37 [2022-11-22 00:10:24,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:24,503 INFO L225 Difference]: With dead ends: 114 [2022-11-22 00:10:24,503 INFO L226 Difference]: Without dead ends: 108 [2022-11-22 00:10:24,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=436, Invalid=1726, Unknown=0, NotChecked=0, Total=2162 [2022-11-22 00:10:24,505 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 222 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:24,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 43 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 00:10:24,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-11-22 00:10:24,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2022-11-22 00:10:24,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 97 states have (on average 1.1649484536082475) internal successors, (113), 100 states have internal predecessors, (113), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 00:10:24,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 123 transitions. [2022-11-22 00:10:24,523 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 123 transitions. Word has length 37 [2022-11-22 00:10:24,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:24,524 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 123 transitions. [2022-11-22 00:10:24,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 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) [2022-11-22 00:10:24,524 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2022-11-22 00:10:24,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-22 00:10:24,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:24,524 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:10:24,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-22 00:10:24,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:10:24,725 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:10:24,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:24,725 INFO L85 PathProgramCache]: Analyzing trace with hash 8054736, now seen corresponding path program 1 times [2022-11-22 00:10:24,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:24,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486441246] [2022-11-22 00:10:24,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:24,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:10:25,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:25,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486441246] [2022-11-22 00:10:25,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486441246] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:10:25,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106691625] [2022-11-22 00:10:25,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:25,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:10:25,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:10:25,149 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:10:25,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-22 00:10:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:25,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-22 00:10:25,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:10:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:10:25,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:10:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:10:25,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106691625] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:10:25,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2085407547] [2022-11-22 00:10:25,891 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-22 00:10:25,891 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:10:25,891 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:10:25,891 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:10:25,891 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:10:26,005 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:10:26,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:10:26,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:10:26,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:10:26,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2022-11-22 00:10:26,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 00:10:27,636 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 8 for LOIs [2022-11-22 00:10:27,637 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:10:42,896 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6628#(and (not (<= (+ |ULTIMATE.start_check_~i~0#1| |ULTIMATE.start_check_~y#1|) 2147483647)) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483648)) (= |ULTIMATE.start_check_#in~y#1| |ULTIMATE.start_check_~y#1|) (= |ULTIMATE.start_check_#in~n#1| |ULTIMATE.start_check_~n#1|) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934588) (= |ULTIMATE.start_check_#in~a#1.base| |ULTIMATE.start_main_~a~0#1.base|) (= |ULTIMATE.start_check_#t~mem11#1| (select (select |#memory_int| |ULTIMATE.start_check_~a#1.base|) (+ |ULTIMATE.start_check_~a#1.offset| (* 4 |ULTIMATE.start_check_~x#1|) (* |ULTIMATE.start_check_~i~0#1| 4)))) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~y#1|)) (<= |ULTIMATE.start_lcp_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934592)) (<= 0 (+ |ULTIMATE.start_lcp_#in~x#1| 2147483648)) (<= |ULTIMATE.start_lcp_~x#1| 2147483647) (<= |ULTIMATE.start_lcp_~y#1| 2147483647) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483647) (not (= (ite (and (< |ULTIMATE.start_check_~i~0#1| |ULTIMATE.start_check_~l#1|) (<= 0 |ULTIMATE.start_check_~i~0#1|)) 1 0) 0)) (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_check_#in~x#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~n#1| 2147483648)) (<= 0 |ULTIMATE.start_lcp_#in~a#1.offset|) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_check_#in~y#1|) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_check_#in~a#1.offset|) (= |ULTIMATE.start_main_#t~malloc17#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_check_#in~n#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~n#1|)) (= |ULTIMATE.start_main_~l~1#1| |ULTIMATE.start_check_#in~l#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~y#1| 2147483648)) (<= |ULTIMATE.start_lcp_#in~y#1| 2147483647) (<= (+ |ULTIMATE.start_check_~i~0#1| |ULTIMATE.start_check_~x#1|) 2147483647) (<= |ULTIMATE.start_lcp_~a#1.offset| 0) (<= |ULTIMATE.start_check_~a#1.offset| 0) (<= |ULTIMATE.start_lcp_~n#1| 2147483647) (= |ULTIMATE.start_main_~l~1#1| |ULTIMATE.start_lcp_#res#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_check_~x#1|)) (= |#NULL.offset| 0) (<= |ULTIMATE.start_check_#in~n#1| 2147483647) (<= 0 |ULTIMATE.start_lcp_~a#1.offset|) (= |ULTIMATE.start_check_#in~x#1| |ULTIMATE.start_check_~x#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (= |ULTIMATE.start_check_~a#1.base| |ULTIMATE.start_check_#in~a#1.base|) (<= 0 |ULTIMATE.start_check_~a#1.offset|) (<= |ULTIMATE.start_lcp_#in~x#1| 2147483647) (<= |ULTIMATE.start_main_~l~1#1| 2147483647) (= |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_#res#1|) (<= |ULTIMATE.start_lcp_#in~n#1| 2147483647) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_check_#in~l#1| |ULTIMATE.start_check_~l#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~x#1|)) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (<= 0 |ULTIMATE.start_check_#in~a#1.offset|) (= |#NULL.base| 0) (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))' at error location [2022-11-22 00:10:42,896 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 00:10:42,896 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:10:42,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 30 [2022-11-22 00:10:42,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357510480] [2022-11-22 00:10:42,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 00:10:42,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-22 00:10:42,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:42,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-22 00:10:42,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=2750, Unknown=0, NotChecked=0, Total=3080 [2022-11-22 00:10:42,899 INFO L87 Difference]: Start difference. First operand 108 states and 123 transitions. Second operand has 31 states, 26 states have (on average 3.423076923076923) internal successors, (89), 31 states have internal predecessors, (89), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 6 states have call predecessors, (9), 7 states have call successors, (9) [2022-11-22 00:10:43,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:43,904 INFO L93 Difference]: Finished difference Result 151 states and 177 transitions. [2022-11-22 00:10:43,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-22 00:10:43,905 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 26 states have (on average 3.423076923076923) internal successors, (89), 31 states have internal predecessors, (89), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 6 states have call predecessors, (9), 7 states have call successors, (9) Word has length 38 [2022-11-22 00:10:43,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:43,906 INFO L225 Difference]: With dead ends: 151 [2022-11-22 00:10:43,906 INFO L226 Difference]: Without dead ends: 77 [2022-11-22 00:10:43,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1608 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=716, Invalid=4686, Unknown=0, NotChecked=0, Total=5402 [2022-11-22 00:10:43,908 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 639 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:43,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 172 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 00:10:43,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-22 00:10:43,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-22 00:10:43,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 73 states have (on average 1.0136986301369864) internal successors, (74), 73 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:10:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2022-11-22 00:10:43,921 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 38 [2022-11-22 00:10:43,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:43,921 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2022-11-22 00:10:43,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 26 states have (on average 3.423076923076923) internal successors, (89), 31 states have internal predecessors, (89), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 6 states have call predecessors, (9), 7 states have call successors, (9) [2022-11-22 00:10:43,921 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2022-11-22 00:10:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-22 00:10:43,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:43,922 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:10:43,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-22 00:10:44,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:10:44,123 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-22 00:10:44,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:44,123 INFO L85 PathProgramCache]: Analyzing trace with hash 354589415, now seen corresponding path program 2 times [2022-11-22 00:10:44,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:44,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227171375] [2022-11-22 00:10:44,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:44,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:44,335 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:10:44,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:44,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227171375] [2022-11-22 00:10:44,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227171375] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:10:44,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341061601] [2022-11-22 00:10:44,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 00:10:44,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:10:44,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:10:44,339 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:10:44,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-22 00:10:44,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-22 00:10:44,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 00:10:44,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-22 00:10:44,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:10:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-22 00:10:44,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:10:44,943 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-22 00:10:44,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341061601] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:10:44,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [281837107] [2022-11-22 00:10:44,946 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-22 00:10:44,947 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:10:44,947 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:10:44,948 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:10:44,948 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:10:45,053 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:10:45,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:10:45,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 00:10:45,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:10:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:10:45,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2022-11-22 00:10:46,409 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 128 for LOIs [2022-11-22 00:10:46,464 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:10:53,375 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7430#(and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483648)) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934588) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~y#1|)) (<= |ULTIMATE.start_lcp_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934592)) (<= 0 (+ |ULTIMATE.start_lcp_#in~x#1| 2147483648)) (<= |ULTIMATE.start_lcp_~x#1| 2147483647) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_lcp_~y#1| 2147483647) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483647) (= |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_#t~post9#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~n#1| 2147483648)) (<= 0 |ULTIMATE.start_lcp_#in~a#1.offset|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_#t~malloc17#1.offset| 0) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~n#1|)) (<= 0 (+ |ULTIMATE.start_lcp_#in~y#1| 2147483648)) (<= |ULTIMATE.start_lcp_#in~y#1| 2147483647) (not (<= |ULTIMATE.start_lcp_#t~post9#1| 2147483646)) (<= |ULTIMATE.start_lcp_~a#1.offset| 0) (<= |ULTIMATE.start_lcp_~n#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_lcp_~a#1.offset|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= |ULTIMATE.start_lcp_#in~x#1| 2147483647) (<= |ULTIMATE.start_lcp_#in~n#1| 2147483647) (<= 0 |#StackHeapBarrier|) (<= 0 (+ 2147483648 |ULTIMATE.start_lcp_~x#1|)) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (= |#NULL.base| 0) (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))' at error location [2022-11-22 00:10:53,375 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 00:10:53,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:10:53,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 20 [2022-11-22 00:10:53,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135562750] [2022-11-22 00:10:53,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 00:10:53,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-22 00:10:53,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:53,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-22 00:10:53,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1311, Unknown=0, NotChecked=0, Total=1482 [2022-11-22 00:10:53,377 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand has 21 states, 19 states have (on average 6.2631578947368425) internal successors, (119), 19 states have internal predecessors, (119), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 00:10:53,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:53,909 INFO L93 Difference]: Finished difference Result 95 states and 97 transitions. [2022-11-22 00:10:53,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-22 00:10:53,909 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.2631578947368425) internal successors, (119), 19 states have internal predecessors, (119), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 78 [2022-11-22 00:10:53,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:53,910 INFO L225 Difference]: With dead ends: 95 [2022-11-22 00:10:53,910 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 00:10:53,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 194 SyntacticMatches, 12 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=421, Invalid=2335, Unknown=0, NotChecked=0, Total=2756 [2022-11-22 00:10:53,911 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 279 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:53,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 39 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:10:53,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 00:10:53,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 00:10:53,913 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) [2022-11-22 00:10:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 00:10:53,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2022-11-22 00:10:53,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:53,913 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 00:10:53,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.2631578947368425) internal successors, (119), 19 states have internal predecessors, (119), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 00:10:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 00:10:53,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:10:53,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2022-11-22 00:10:53,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2022-11-22 00:10:53,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2022-11-22 00:10:53,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2022-11-22 00:10:53,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2022-11-22 00:10:53,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2022-11-22 00:10:53,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2022-11-22 00:10:53,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2022-11-22 00:10:53,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2022-11-22 00:10:53,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2022-11-22 00:10:53,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2022-11-22 00:10:53,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2022-11-22 00:10:53,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2022-11-22 00:10:53,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2022-11-22 00:10:53,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2022-11-22 00:10:53,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2022-11-22 00:10:53,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2022-11-22 00:10:53,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2022-11-22 00:10:53,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2022-11-22 00:10:53,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2022-11-22 00:10:53,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2022-11-22 00:10:53,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2022-11-22 00:10:53,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-22 00:10:54,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-22 00:10:54,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 00:11:06,145 WARN L233 SmtUtils]: Spent 12.01s on a formula simplification. DAG size of input: 278 DAG size of output: 275 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-22 00:11:17,644 WARN L233 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 233 DAG size of output: 230 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-22 00:12:59,157 WARN L233 SmtUtils]: Spent 1.69m on a formula simplification. DAG size of input: 297 DAG size of output: 294 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-22 00:13:08,112 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,113 INFO L895 garLoopResultBuilder]: At program point L27(line 27) the Hoare annotation is: (let ((.cse35 (select |#memory_int| 1)) (.cse34 (select |#memory_int| 2))) (let ((.cse0 (= (select .cse34 0) 108)) (.cse1 (= (select |#length| 3) 12)) (.cse2 (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4)) (.cse3 (not (= (ite (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~y~0#1|)) 1 0) 0))) (.cse4 (= (select .cse34 5) 0)) (.cse5 (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4))) (.cse6 (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_#t~malloc17#1.offset|)) (.cse7 (= 2 (select |#length| 1))) (.cse8 (= |ULTIMATE.start_main_#t~malloc17#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (= (select .cse34 1) 99)) (.cse11 (= (select |#valid| |ULTIMATE.start_main_#t~malloc17#1.base|) 1)) (.cse12 (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|)) (.cse13 (not (= 3 |ULTIMATE.start_main_#t~malloc17#1.base|))) (.cse14 (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|)) (.cse15 (= |ULTIMATE.start_main_#t~malloc17#1.offset| 0)) (.cse16 (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0))) (.cse17 (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc17#1.base|))) (.cse18 (= (select |#valid| 1) 1)) (.cse19 (< |ULTIMATE.start_main_#t~malloc17#1.base| |#StackHeapBarrier|)) (.cse20 (= (select .cse34 4) 99)) (.cse21 (= (select |#valid| 0) 0)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse35 0) 48)) (.cse25 (= (select .cse35 1) 0)) (.cse26 (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|))) (.cse27 (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc17#1.base|)) (.cse28 (= 46 (select .cse34 3))) (.cse29 (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0)) (.cse30 (= 6 (select |#length| 2))) (.cse31 (< 0 |#StackHeapBarrier|)) (.cse32 (= 112 (select .cse34 2))) (.cse33 (= |#NULL.base| 0))) (or (and .cse0 (= |ULTIMATE.start_lcp_#in~y#1| |ULTIMATE.start_main_~y~0#1|) .cse1 .cse2 (= |ULTIMATE.start_check_~l#1| 0) .cse3 .cse4 (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_lcp_#in~a#1.base|) (= |ULTIMATE.start_lcp_~a#1.base| |ULTIMATE.start_lcp_#in~a#1.base|) .cse5 (<= |ULTIMATE.start_main_~x~0#1| 2147483647) .cse6 (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_lcp_#in~a#1.offset|) (= |ULTIMATE.start_lcp_#in~n#1| |ULTIMATE.start_lcp_~n#1|) (= |ULTIMATE.start_lcp_#in~y#1| |ULTIMATE.start_lcp_~y#1|) .cse7 .cse8 (= |ULTIMATE.start_lcp_#in~x#1| |ULTIMATE.start_main_~x~0#1|) .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_lcp_#in~x#1| |ULTIMATE.start_lcp_~x#1|) (= |ULTIMATE.start_lcp_#in~n#1| |ULTIMATE.start_main_~n~0#1|) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (= |ULTIMATE.start_lcp_~a#1.offset| |ULTIMATE.start_lcp_#in~a#1.offset|) .cse19 .cse20 .cse21 .cse22 (<= 0 (+ 2147483648 |ULTIMATE.start_check_~x#1|)) .cse23 .cse24 (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (= |ULTIMATE.start_lcp_~l~0#1| 0) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (and .cse0 (= |ULTIMATE.start_check_~a#1.offset| |ULTIMATE.start_check_#in~a#1.offset|) (= |ULTIMATE.start_check_#in~y#1| |ULTIMATE.start_check_~y#1|) .cse1 (= |ULTIMATE.start_check_#in~n#1| |ULTIMATE.start_check_~n#1|) .cse2 (= |ULTIMATE.start_check_#in~a#1.base| |ULTIMATE.start_main_~a~0#1.base|) .cse3 .cse4 (<= |ULTIMATE.start_lcp_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_lcp_#in~x#1| 2147483648)) (<= 1 |ULTIMATE.start_lcp_~l~0#1|) .cse5 (<= (+ |ULTIMATE.start_check_~l#1| |ULTIMATE.start_check_~x#1|) 2147483647) .cse6 (<= 0 (+ |ULTIMATE.start_check_~i~0#1| 2147483648)) .cse7 .cse8 (<= (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_lcp_~n#1|) .cse9 .cse10 (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_lcp_~y#1|) .cse11 (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_check_#in~x#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~n#1| 2147483648)) (<= 0 |ULTIMATE.start_lcp_#in~a#1.offset|) .cse12 (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_check_#in~y#1|) .cse13 .cse14 (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_check_#in~a#1.offset|) .cse15 .cse16 .cse17 (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_check_#in~n#1|) (= |ULTIMATE.start_main_~l~1#1| |ULTIMATE.start_check_#in~l#1|) (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_lcp_~x#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~y#1| 2147483648)) .cse18 (<= |ULTIMATE.start_lcp_#in~y#1| 2147483647) .cse19 .cse20 (<= |ULTIMATE.start_lcp_~a#1.offset| 0) (<= |ULTIMATE.start_lcp_~n#1| 2147483647) (<= |ULTIMATE.start_lcp_~x#1| |ULTIMATE.start_main_~x~0#1|) .cse21 (= |ULTIMATE.start_main_~l~1#1| |ULTIMATE.start_lcp_#res#1|) .cse22 .cse23 (<= 0 |ULTIMATE.start_lcp_~a#1.offset|) .cse24 (= |ULTIMATE.start_check_#in~x#1| |ULTIMATE.start_check_~x#1|) (= |ULTIMATE.start_check_~a#1.base| |ULTIMATE.start_check_#in~a#1.base|) (<= |ULTIMATE.start_check_~i~0#1| 2147483647) (<= |ULTIMATE.start_lcp_#in~x#1| 2147483647) (<= (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_~y#1|) 2147483647) (= |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_#res#1|) (<= |ULTIMATE.start_lcp_#in~n#1| 2147483647) .cse25 .cse26 .cse27 (= |ULTIMATE.start_check_#in~l#1| |ULTIMATE.start_check_~l#1|) .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2022-11-22 00:13:08,113 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2022-11-22 00:13:08,113 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-11-22 00:13:08,114 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2022-11-22 00:13:08,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-11-22 00:13:08,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 00:13:08,114 INFO L899 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2022-11-22 00:13:08,114 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-11-22 00:13:08,114 INFO L899 garLoopResultBuilder]: For program point L28-2(line 28) no Hoare annotation was computed. [2022-11-22 00:13:08,115 INFO L895 garLoopResultBuilder]: At program point L28-3(line 28) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (select |#memory_int| 2))) (and (= (select .cse0 0) 108) (= |ULTIMATE.start_check_#in~y#1| |ULTIMATE.start_check_~y#1|) (= (select |#length| 3) 12) (= |ULTIMATE.start_check_#in~n#1| |ULTIMATE.start_check_~n#1|) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (= |ULTIMATE.start_check_#in~a#1.base| |ULTIMATE.start_main_~a~0#1.base|) (not (= (ite (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~y~0#1|)) 1 0) 0)) (= (select .cse0 5) 0) (= |ULTIMATE.start_check_#t~mem11#1| (select (select |#memory_int| |ULTIMATE.start_check_~a#1.base|) (+ |ULTIMATE.start_check_~a#1.offset| (* 4 |ULTIMATE.start_check_~x#1|) (* |ULTIMATE.start_check_~i~0#1| 4)))) (<= |ULTIMATE.start_lcp_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_lcp_#in~x#1| 2147483648)) (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4)) (<= (+ |ULTIMATE.start_check_~l#1| |ULTIMATE.start_check_~x#1|) 2147483647) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_#t~malloc17#1.offset|) (= 2 (select |#length| 1)) (= |ULTIMATE.start_main_#t~malloc17#1.base| |ULTIMATE.start_main_~a~0#1.base|) (not (= (ite (and (< |ULTIMATE.start_check_~i~0#1| |ULTIMATE.start_check_~l#1|) (<= 0 |ULTIMATE.start_check_~i~0#1|)) 1 0) 0)) (<= (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_lcp_~n#1|) (= (select |#valid| 3) 1) (= (select .cse0 1) 99) (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_lcp_~y#1|) (= (select |#valid| |ULTIMATE.start_main_#t~malloc17#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_check_#in~x#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~n#1| 2147483648)) (<= 0 |ULTIMATE.start_lcp_#in~a#1.offset|) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_check_#in~y#1|) (not (= 3 |ULTIMATE.start_main_#t~malloc17#1.base|)) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_check_#in~a#1.offset|) (= |ULTIMATE.start_main_#t~malloc17#1.offset| 0) (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0)) (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc17#1.base|)) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_check_#in~n#1|) (= |ULTIMATE.start_main_~l~1#1| |ULTIMATE.start_check_#in~l#1|) (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_lcp_~x#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~y#1| 2147483648)) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_lcp_#in~y#1| 2147483647) (< |ULTIMATE.start_main_#t~malloc17#1.base| |#StackHeapBarrier|) (= (select .cse0 4) 99) (<= |ULTIMATE.start_lcp_~a#1.offset| 0) (<= |ULTIMATE.start_check_~a#1.offset| 0) (<= |ULTIMATE.start_lcp_~n#1| 2147483647) (<= |ULTIMATE.start_lcp_~x#1| |ULTIMATE.start_main_~x~0#1|) (= (select |#valid| 0) 0) (= |ULTIMATE.start_main_~l~1#1| |ULTIMATE.start_lcp_#res#1|) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_lcp_~a#1.offset|) (= (select .cse1 0) 48) (= |ULTIMATE.start_check_#in~x#1| |ULTIMATE.start_check_~x#1|) (= |ULTIMATE.start_check_~a#1.base| |ULTIMATE.start_check_#in~a#1.base|) (<= 0 |ULTIMATE.start_check_~a#1.offset|) (<= |ULTIMATE.start_lcp_#in~x#1| 2147483647) (<= (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_~y#1|) 2147483647) (= |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_#res#1|) (<= |ULTIMATE.start_lcp_#in~n#1| 2147483647) (= (select .cse1 1) 0) (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|)) (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc17#1.base|) (= |ULTIMATE.start_check_#in~l#1| |ULTIMATE.start_check_~l#1|) (= 46 (select .cse0 3)) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (= 6 (select |#length| 2)) (< 0 |#StackHeapBarrier|) (= 112 (select .cse0 2)) (= |#NULL.base| 0))) [2022-11-22 00:13:08,115 INFO L899 garLoopResultBuilder]: For program point L28-4(line 28) no Hoare annotation was computed. [2022-11-22 00:13:08,115 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-11-22 00:13:08,115 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-22 00:13:08,116 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,116 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-11-22 00:13:08,116 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-22 00:13:08,116 INFO L895 garLoopResultBuilder]: At program point L38(line 38) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (select |#memory_int| 2))) (and (= (select .cse0 0) 108) (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (= (select |#length| 3) 12) (= (select .cse0 5) 0) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select .cse0 1) 99) (= (select |#valid| 1) 1) (= (select .cse0 4) 99) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse1 0) 48) (= (select .cse1 1) 0) (= 46 (select .cse0 3)) (= 6 (select |#length| 2)) (< 0 |#StackHeapBarrier|) (= 112 (select .cse0 2)) (= |#NULL.base| 0) (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))) [2022-11-22 00:13:08,116 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-22 00:13:08,116 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-22 00:13:08,116 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-22 00:13:08,117 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2022-11-22 00:13:08,117 INFO L899 garLoopResultBuilder]: For program point L31-1(line 31) no Hoare annotation was computed. [2022-11-22 00:13:08,117 INFO L899 garLoopResultBuilder]: For program point L31-2(line 31) no Hoare annotation was computed. [2022-11-22 00:13:08,117 INFO L899 garLoopResultBuilder]: For program point L31-3(line 31) no Hoare annotation was computed. [2022-11-22 00:13:08,117 INFO L899 garLoopResultBuilder]: For program point L31-4(line 31) no Hoare annotation was computed. [2022-11-22 00:13:08,117 INFO L899 garLoopResultBuilder]: For program point L31-6(lines 31 32) no Hoare annotation was computed. [2022-11-22 00:13:08,117 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-22 00:13:08,118 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-22 00:13:08,118 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-22 00:13:08,118 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-11-22 00:13:08,118 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2022-11-22 00:13:08,118 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,118 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2022-11-22 00:13:08,118 INFO L895 garLoopResultBuilder]: At program point L32-4(line 32) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2022-11-22 00:13:08,119 INFO L899 garLoopResultBuilder]: For program point L32-5(line 32) no Hoare annotation was computed. [2022-11-22 00:13:08,119 INFO L895 garLoopResultBuilder]: At program point L24(lines 24 33) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2022-11-22 00:13:08,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-22 00:13:08,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-22 00:13:08,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 00:13:08,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-22 00:13:08,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-22 00:13:08,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,120 INFO L899 garLoopResultBuilder]: For program point L18-1(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,120 INFO L899 garLoopResultBuilder]: For program point L18-2(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,120 INFO L899 garLoopResultBuilder]: For program point L18-3(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,120 INFO L899 garLoopResultBuilder]: For program point L18-4(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-11-22 00:13:08,121 INFO L899 garLoopResultBuilder]: For program point L18-6(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,121 INFO L895 garLoopResultBuilder]: At program point L43(line 43) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (select |#memory_int| 2))) (and (= (select .cse0 0) 108) (= (select |#length| 3) 12) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (= (select .cse0 5) 0) (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_#t~malloc17#1.offset|) (= 2 (select |#length| 1)) (= |ULTIMATE.start_main_#t~malloc17#1.base| |ULTIMATE.start_main_~a~0#1.base|) (= |ULTIMATE.start_main_#t~malloc17#1.offset| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= (select |#valid| 3) 1) (= (select .cse0 1) 99) (= (select |#valid| |ULTIMATE.start_main_#t~malloc17#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (not (= 3 |ULTIMATE.start_main_#t~malloc17#1.base|)) (= |ULTIMATE.start_main_#t~malloc17#1.offset| 0) (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0)) (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc17#1.base|)) (= (select |#valid| 1) 1) (< |ULTIMATE.start_main_#t~malloc17#1.base| |#StackHeapBarrier|) (= (select .cse0 4) 99) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse1 0) 48) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (= (select .cse1 1) 0) (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|)) (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc17#1.base|) (= 46 (select .cse0 3)) (= 6 (select |#length| 2)) (< 0 |#StackHeapBarrier|) (= 112 (select .cse0 2)) (= |#NULL.base| 0))) [2022-11-22 00:13:08,121 INFO L899 garLoopResultBuilder]: For program point L18-7(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,121 INFO L899 garLoopResultBuilder]: For program point L43-1(line 43) no Hoare annotation was computed. [2022-11-22 00:13:08,122 INFO L899 garLoopResultBuilder]: For program point L18-8(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,122 INFO L899 garLoopResultBuilder]: For program point L18-9(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,122 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,122 INFO L899 garLoopResultBuilder]: For program point L18-10(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,122 INFO L899 garLoopResultBuilder]: For program point L18-11(line 18) no Hoare annotation was computed. [2022-11-22 00:13:08,122 INFO L899 garLoopResultBuilder]: For program point L18-13(lines 18 20) no Hoare annotation was computed. [2022-11-22 00:13:08,123 INFO L895 garLoopResultBuilder]: At program point L18-15(lines 18 20) the Hoare annotation is: (let ((.cse39 (select |#memory_int| 1)) (.cse38 (select |#memory_int| 2))) (let ((.cse0 (= (select .cse38 0) 108)) (.cse1 (= (select |#length| 3) 12)) (.cse2 (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4)) (.cse3 (not (= (ite (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~y~0#1|)) 1 0) 0))) (.cse4 (= (select .cse38 5) 0)) (.cse5 (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4))) (.cse6 (= 2 (select |#length| 1))) (.cse7 (= |ULTIMATE.start_main_#t~malloc17#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (.cse8 (= (select |#valid| 3) 1)) (.cse9 (= (select .cse38 1) 99)) (.cse10 (= (select |#valid| |ULTIMATE.start_main_#t~malloc17#1.base|) 1)) (.cse11 (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|)) (.cse12 (not (= 3 |ULTIMATE.start_main_#t~malloc17#1.base|))) (.cse13 (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|)) (.cse14 (= |ULTIMATE.start_main_#t~malloc17#1.offset| 0)) (.cse15 (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0))) (.cse16 (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc17#1.base|))) (.cse17 (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_lcp_~x#1|)) (.cse18 (= (select |#valid| 1) 1)) (.cse19 (< |ULTIMATE.start_main_#t~malloc17#1.base| |#StackHeapBarrier|)) (.cse20 (= (select .cse38 4) 99)) (.cse21 (<= |ULTIMATE.start_lcp_~a#1.offset| 0)) (.cse22 (<= |ULTIMATE.start_lcp_~x#1| |ULTIMATE.start_main_~x~0#1|)) (.cse23 (= (select |#valid| 0) 0)) (.cse24 (= (select |#valid| 2) 1)) (.cse25 (= |#NULL.offset| 0)) (.cse26 (<= 0 |ULTIMATE.start_lcp_~a#1.offset|)) (.cse27 (= (select .cse39 0) 48)) (.cse28 (<= |ULTIMATE.start_lcp_#in~x#1| 2147483647)) (.cse29 (= (select .cse39 1) 0)) (.cse30 (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|))) (.cse31 (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc17#1.base|)) (.cse32 (= 46 (select .cse38 3))) (.cse33 (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0)) (.cse34 (= 6 (select |#length| 2))) (.cse35 (< 0 |#StackHeapBarrier|)) (.cse36 (= 112 (select .cse38 2))) (.cse37 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_lcp_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_lcp_#in~x#1| 2147483648)) (<= 1 |ULTIMATE.start_lcp_~l~0#1|) .cse5 (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_#t~malloc17#1.offset|) .cse6 .cse7 (<= (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_lcp_~n#1|) .cse8 .cse9 (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_lcp_~y#1|) .cse10 (<= 0 (+ |ULTIMATE.start_lcp_#in~n#1| 2147483648)) (<= 0 |ULTIMATE.start_lcp_#in~a#1.offset|) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (<= 0 (+ |ULTIMATE.start_lcp_#in~y#1| 2147483648)) .cse18 (<= |ULTIMATE.start_lcp_#in~y#1| 2147483647) .cse19 .cse20 .cse21 (<= (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~x~0#1|) 2147483647) (<= |ULTIMATE.start_lcp_~n#1| 2147483647) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 (<= (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_~y#1|) 2147483647) (<= |ULTIMATE.start_lcp_#in~n#1| 2147483647) .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37) (and .cse0 (= |ULTIMATE.start_lcp_#in~y#1| |ULTIMATE.start_main_~y~0#1|) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_lcp_#in~a#1.base|) (= |ULTIMATE.start_lcp_~a#1.base| |ULTIMATE.start_lcp_#in~a#1.base|) .cse5 (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_lcp_#in~a#1.offset|) (= |ULTIMATE.start_lcp_#in~y#1| |ULTIMATE.start_lcp_~y#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= |ULTIMATE.start_lcp_#in~x#1| |ULTIMATE.start_lcp_~x#1|) (= |ULTIMATE.start_lcp_#in~n#1| |ULTIMATE.start_main_~n~0#1|) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (= |ULTIMATE.start_lcp_~a#1.offset| |ULTIMATE.start_lcp_#in~a#1.offset|) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_lcp_~n#1|) (= |ULTIMATE.start_lcp_~l~0#1| 0) .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37)))) [2022-11-22 00:13:08,124 INFO L895 garLoopResultBuilder]: At program point L18-16(lines 18 20) the Hoare annotation is: (let ((.cse35 (select |#memory_int| 1)) (.cse34 (select |#memory_int| 2))) (let ((.cse0 (= (select .cse34 0) 108)) (.cse1 (= (select |#length| 3) 12)) (.cse2 (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4)) (.cse3 (not (= (ite (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~y~0#1|)) 1 0) 0))) (.cse4 (= (select .cse34 5) 0)) (.cse5 (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4))) (.cse6 (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_#t~malloc17#1.offset|)) (.cse7 (= 2 (select |#length| 1))) (.cse8 (= |ULTIMATE.start_main_#t~malloc17#1.base| |ULTIMATE.start_main_~a~0#1.base|)) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (= (select .cse34 1) 99)) (.cse11 (= (select |#valid| |ULTIMATE.start_main_#t~malloc17#1.base|) 1)) (.cse12 (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|)) (.cse13 (not (= 3 |ULTIMATE.start_main_#t~malloc17#1.base|))) (.cse14 (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|)) (.cse15 (= |ULTIMATE.start_main_#t~malloc17#1.offset| 0)) (.cse16 (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0))) (.cse17 (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc17#1.base|))) (.cse18 (= (select |#valid| 1) 1)) (.cse19 (< |ULTIMATE.start_main_#t~malloc17#1.base| |#StackHeapBarrier|)) (.cse20 (= (select .cse34 4) 99)) (.cse21 (= (select |#valid| 0) 0)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse35 0) 48)) (.cse25 (= (select .cse35 1) 0)) (.cse26 (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|))) (.cse27 (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc17#1.base|)) (.cse28 (= 46 (select .cse34 3))) (.cse29 (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0)) (.cse30 (= 6 (select |#length| 2))) (.cse31 (< 0 |#StackHeapBarrier|)) (.cse32 (= 112 (select .cse34 2))) (.cse33 (= |#NULL.base| 0))) (or (and .cse0 (<= (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_~x#1|) 2147483647) .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_lcp_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_lcp_#in~x#1| 2147483648)) (<= 1 |ULTIMATE.start_lcp_~l~0#1|) .cse5 .cse6 .cse7 .cse8 (<= (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_lcp_~n#1|) .cse9 .cse10 (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_lcp_~y#1|) .cse11 (<= 0 (+ |ULTIMATE.start_lcp_#in~n#1| 2147483648)) (<= 0 |ULTIMATE.start_lcp_#in~a#1.offset|) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_lcp_~x#1|) (<= 0 (+ |ULTIMATE.start_lcp_#in~y#1| 2147483648)) .cse18 (<= |ULTIMATE.start_lcp_#in~y#1| 2147483647) .cse19 .cse20 (<= |ULTIMATE.start_lcp_~a#1.offset| 0) (<= |ULTIMATE.start_lcp_~n#1| 2147483647) (<= |ULTIMATE.start_lcp_~x#1| |ULTIMATE.start_main_~x~0#1|) .cse21 .cse22 .cse23 (<= 0 |ULTIMATE.start_lcp_~a#1.offset|) .cse24 (<= |ULTIMATE.start_lcp_#in~x#1| 2147483647) (<= (+ |ULTIMATE.start_lcp_~l~0#1| |ULTIMATE.start_lcp_~y#1|) 2147483647) (<= |ULTIMATE.start_lcp_#in~n#1| 2147483647) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (and .cse0 (= |ULTIMATE.start_lcp_#in~y#1| |ULTIMATE.start_main_~y~0#1|) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_lcp_#in~a#1.base|) (= |ULTIMATE.start_lcp_~a#1.base| |ULTIMATE.start_lcp_#in~a#1.base|) .cse5 (<= |ULTIMATE.start_main_~x~0#1| 2147483647) .cse6 (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_lcp_#in~a#1.offset|) (= |ULTIMATE.start_lcp_#in~n#1| |ULTIMATE.start_lcp_~n#1|) (= |ULTIMATE.start_lcp_#in~y#1| |ULTIMATE.start_lcp_~y#1|) .cse7 .cse8 (= |ULTIMATE.start_lcp_#in~x#1| |ULTIMATE.start_main_~x~0#1|) .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_lcp_#in~x#1| |ULTIMATE.start_lcp_~x#1|) (= |ULTIMATE.start_lcp_#in~n#1| |ULTIMATE.start_main_~n~0#1|) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (= |ULTIMATE.start_lcp_~a#1.offset| |ULTIMATE.start_lcp_#in~a#1.offset|) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (= |ULTIMATE.start_lcp_~l~0#1| 0) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2022-11-22 00:13:08,124 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5 7) the Hoare annotation is: true [2022-11-22 00:13:08,124 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-11-22 00:13:08,124 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 12 14) the Hoare annotation is: true [2022-11-22 00:13:08,124 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 12 14) no Hoare annotation was computed. [2022-11-22 00:13:08,128 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:13:08,130 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:13:08,138 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:265) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:401) 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:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:191) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) [2022-11-22 00:13:08,142 INFO L158 Benchmark]: Toolchain (without parser) took 243499.75ms. Allocated memory was 146.8MB in the beginning and 308.3MB in the end (delta: 161.5MB). Free memory was 103.9MB in the beginning and 196.3MB in the end (delta: -92.4MB). Peak memory consumption was 173.9MB. Max. memory is 16.1GB. [2022-11-22 00:13:08,142 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:13:08,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.62ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 112.6MB in the end (delta: -9.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-22 00:13:08,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.56ms. Allocated memory is still 146.8MB. Free memory was 112.6MB in the beginning and 110.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:13:08,143 INFO L158 Benchmark]: Boogie Preprocessor took 26.45ms. Allocated memory is still 146.8MB. Free memory was 110.7MB in the beginning and 109.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:13:08,143 INFO L158 Benchmark]: RCFGBuilder took 554.60ms. Allocated memory is still 146.8MB. Free memory was 109.1MB in the beginning and 90.8MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 00:13:08,143 INFO L158 Benchmark]: TraceAbstraction took 242520.84ms. Allocated memory was 146.8MB in the beginning and 308.3MB in the end (delta: 161.5MB). Free memory was 90.0MB in the beginning and 196.3MB in the end (delta: -106.3MB). Peak memory consumption was 162.5MB. Max. memory is 16.1GB. [2022-11-22 00:13:08,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.62ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 112.6MB in the end (delta: -9.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.56ms. Allocated memory is still 146.8MB. Free memory was 112.6MB in the beginning and 110.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.45ms. Allocated memory is still 146.8MB. Free memory was 110.7MB in the beginning and 109.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.60ms. Allocated memory is still 146.8MB. Free memory was 109.1MB in the beginning and 90.8MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 242520.84ms. Allocated memory was 146.8MB in the beginning and 308.3MB in the end (delta: 161.5MB). Free memory was 90.0MB in the beginning and 196.3MB in the end (delta: -106.3MB). Peak memory consumption was 162.5MB. 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: 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 3 procedures, 67 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 242.4s, OverallIterations: 21, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 134.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5080 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5052 mSDsluCounter, 3622 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2656 mSDsCounter, 369 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4384 IncrementalHoareTripleChecker+Invalid, 4753 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 369 mSolverCounterUnsat, 966 mSDtfsCounter, 4384 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1290 GetRequests, 758 SyntacticMatches, 41 SemanticMatches, 491 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7477 ImplicationChecksByTransitivity, 79.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=18, InterpolantAutomatonStates: 230, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 21 MinimizatonAttempts, 571 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 33 PreInvPairs, 61 NumberOfFragments, 2098 HoareAnnotationTreeSize, 33 FomulaSimplifications, 496099 FormulaSimplificationTreeSizeReduction, 125.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 1719416 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 955 NumberOfCodeBlocks, 913 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1245 ConstructedInterpolants, 0 QuantifiedInterpolants, 5997 SizeOfPredicates, 99 NumberOfNonLiveVariables, 1808 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 41 InterpolantComputations, 12 PerfectInterpolantSequences, 364/719 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: OVERALL_TIME: 3.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 58, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 98, TOOLS_POST_TIME: 1.4s, TOOLS_POST_CALL_APPLICATIONS: 18, TOOLS_POST_CALL_TIME: 0.7s, TOOLS_POST_RETURN_APPLICATIONS: 12, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 128, TOOLS_QUANTIFIERELIM_TIME: 2.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 174, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 29, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 58, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 12, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1684, DAG_COMPRESSION_RETAINED_NODES: 148, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 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:265) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-22 00:13:08,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/verifythis/lcp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba --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 32bit --witnessprinter.graph.data.programhash 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a --- 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-b5237d8 [2022-11-22 00:13:10,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:13:10,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:13:10,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:13:10,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:13:10,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:13:10,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:13:10,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:13:10,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:13:10,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:13:10,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:13:10,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:13:10,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:13:10,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:13:10,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:13:10,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:13:10,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:13:10,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:13:10,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:13:10,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:13:10,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:13:10,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:13:10,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:13:10,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:13:10,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:13:10,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:13:10,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:13:10,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:13:10,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:13:10,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:13:10,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:13:10,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:13:10,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:13:10,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:13:10,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:13:10,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:13:10,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:13:10,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:13:10,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:13:10,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:13:10,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:13:10,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-11-22 00:13:10,656 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:13:10,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:13:10,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:13:10,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:13:10,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:13:10,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:13:10,658 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:13:10,658 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:13:10,658 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:13:10,659 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:13:10,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:13:10,659 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:13:10,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:13:10,660 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:13:10,660 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:13:10,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:13:10,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:13:10,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:13:10,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:13:10,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:13:10,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 00:13:10,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 00:13:10,662 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:13:10,662 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 00:13:10,663 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:13:10,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:13:10,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:13:10,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:13:10,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:13:10,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 00:13:10,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:13:10,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:13:10,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:13:10,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:13:10,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:13:10,665 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 00:13:10,665 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 00:13:10,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:13:10,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:13:10,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 00:13:10,666 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_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a [2022-11-22 00:13:11,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:13:11,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:13:11,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:13:11,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:13:11,065 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:13:11,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/verifythis/lcp.c [2022-11-22 00:13:14,325 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:13:14,575 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:13:14,575 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/sv-benchmarks/c/verifythis/lcp.c [2022-11-22 00:13:14,582 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/data/ad533f359/2f901aca20d948808914a2d283516275/FLAG08d50774f [2022-11-22 00:13:14,597 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4cd30-f868-49d7-a930-75beaffb1266/bin/utaipan-g80aRyZoba/data/ad533f359/2f901aca20d948808914a2d283516275 [2022-11-22 00:13:14,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:13:14,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:13:14,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:13:14,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:13:14,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:13:14,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:13:14" (1/1) ... [2022-11-22 00:13:14,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfc3ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:14, skipping insertion in model container [2022-11-22 00:13:14,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:13:14" (1/1) ... [2022-11-22 00:13:14,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:13:14,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:13:14,798 WARN L237 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_19d4cd30-f868-49d7-a930-75beaffb1266/sv-benchmarks/c/verifythis/lcp.c[515,528] [2022-11-22 00:13:14,838 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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) [2022-11-22 00:13:14,846 INFO L158 Benchmark]: Toolchain (without parser) took 238.40ms. Allocated memory is still 73.4MB. Free memory was 54.2MB in the beginning and 45.0MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 00:13:14,847 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:13:14,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.86ms. Allocated memory is still 73.4MB. Free memory was 53.9MB in the beginning and 45.0MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 00:13:14,851 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 73.4MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.86ms. Allocated memory is still 73.4MB. Free memory was 53.9MB in the beginning and 45.0MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.