./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/verifythis/duplets.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/verifythis/duplets.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh --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 ac76721ba91522692e2c3e4d1ea27df0200031dd012c5066cc7280e0ae6e2244 --- 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-2329fc7 [2022-12-14 07:58:33,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:58:33,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:58:33,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:58:33,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:58:33,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:58:33,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:58:33,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:58:33,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:58:33,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:58:33,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:58:33,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:58:33,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:58:33,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:58:33,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:58:33,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:58:33,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:58:33,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:58:33,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:58:33,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:58:33,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:58:33,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:58:33,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:58:33,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:58:33,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:58:33,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:58:33,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:58:33,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:58:33,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:58:33,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:58:33,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:58:33,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:58:33,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:58:33,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:58:33,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:58:33,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:58:33,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:58:33,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:58:33,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:58:33,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:58:33,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:58:33,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 07:58:34,000 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:58:34,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:58:34,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:58:34,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:58:34,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:58:34,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:58:34,002 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:58:34,002 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:58:34,003 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:58:34,003 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:58:34,003 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:58:34,003 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:58:34,003 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:58:34,004 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:58:34,004 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:58:34,004 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:58:34,004 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:58:34,004 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:58:34,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:58:34,005 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:58:34,005 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:58:34,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:58:34,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:58:34,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:58:34,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:58:34,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:58:34,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:58:34,007 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:58:34,007 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:58:34,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:58:34,007 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:58:34,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:58:34,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:58:34,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:58:34,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:58:34,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:58:34,008 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:58:34,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:58:34,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:58:34,009 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:58:34,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:58:34,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:58:34,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:58:34,010 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_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac76721ba91522692e2c3e4d1ea27df0200031dd012c5066cc7280e0ae6e2244 [2022-12-14 07:58:34,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:58:34,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:58:34,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:58:34,229 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:58:34,230 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:58:34,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/verifythis/duplets.c [2022-12-14 07:58:36,870 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:58:37,027 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:58:37,028 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/sv-benchmarks/c/verifythis/duplets.c [2022-12-14 07:58:37,032 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/data/950b1a4b8/4ffbdb1d4d1842d58cf19f82266c7112/FLAG187709a17 [2022-12-14 07:58:37,043 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/data/950b1a4b8/4ffbdb1d4d1842d58cf19f82266c7112 [2022-12-14 07:58:37,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:58:37,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:58:37,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:58:37,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:58:37,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:58:37,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49aa9ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37, skipping insertion in model container [2022-12-14 07:58:37,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:58:37,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:58:37,181 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_14082339-9f95-4195-bbd1-6aef4fb339b7/sv-benchmarks/c/verifythis/duplets.c[485,498] [2022-12-14 07:58:37,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:58:37,213 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:58:37,222 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_14082339-9f95-4195-bbd1-6aef4fb339b7/sv-benchmarks/c/verifythis/duplets.c[485,498] [2022-12-14 07:58:37,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:58:37,241 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:58:37,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37 WrapperNode [2022-12-14 07:58:37,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:58:37,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:58:37,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:58:37,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:58:37,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,268 INFO L138 Inliner]: procedures = 21, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 126 [2022-12-14 07:58:37,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:58:37,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:58:37,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:58:37,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:58:37,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,286 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:58:37,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:58:37,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:58:37,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:58:37,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37" (1/1) ... [2022-12-14 07:58:37,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:58:37,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:58:37,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:58:37,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:58:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:58:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 07:58:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 07:58:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:58:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:58:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:58:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:58:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:58:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:58:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:58:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:58:37,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:58:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:58:37,419 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:58:37,421 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:58:37,597 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:58:37,641 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:58:37,641 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 07:58:37,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:58:37 BoogieIcfgContainer [2022-12-14 07:58:37,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:58:37,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:58:37,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:58:37,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:58:37,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:58:37" (1/3) ... [2022-12-14 07:58:37,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35710827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:58:37, skipping insertion in model container [2022-12-14 07:58:37,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:37" (2/3) ... [2022-12-14 07:58:37,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35710827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:58:37, skipping insertion in model container [2022-12-14 07:58:37,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:58:37" (3/3) ... [2022-12-14 07:58:37,651 INFO L112 eAbstractionObserver]: Analyzing ICFG duplets.c [2022-12-14 07:58:37,665 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:58:37,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 07:58:37,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:58:37,706 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;@1f27e9b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:58:37,706 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-14 07:58:37,709 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 20 states have (on average 1.45) internal successors, (29), 26 states have internal predecessors, (29), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-14 07:58:37,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 07:58:37,715 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:58:37,716 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:58:37,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:58:37,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:58:37,720 INFO L85 PathProgramCache]: Analyzing trace with hash 169879394, now seen corresponding path program 1 times [2022-12-14 07:58:37,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:58:37,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097333047] [2022-12-14 07:58:37,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:58:37,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:58:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:37,928 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:58:37,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:58:37,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097333047] [2022-12-14 07:58:37,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097333047] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:58:37,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:58:37,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:58:37,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691361245] [2022-12-14 07:58:37,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:58:37,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:58:37,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:58:37,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:58:37,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:58:37,960 INFO L87 Difference]: Start difference. First operand has 38 states, 20 states have (on average 1.45) internal successors, (29), 26 states have internal predecessors, (29), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:58:38,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:58:38,022 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2022-12-14 07:58:38,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:58:38,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 17 [2022-12-14 07:58:38,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:58:38,029 INFO L225 Difference]: With dead ends: 65 [2022-12-14 07:58:38,029 INFO L226 Difference]: Without dead ends: 37 [2022-12-14 07:58:38,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:58:38,034 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 20 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:58:38,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 64 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:58:38,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-14 07:58:38,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 27. [2022-12-14 07:58:38,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 16 states have (on average 1.4375) internal successors, (23), 21 states have internal predecessors, (23), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:58:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-12-14 07:58:38,061 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 17 [2022-12-14 07:58:38,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:58:38,063 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-12-14 07:58:38,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:58:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-12-14 07:58:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 07:58:38,064 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:58:38,064 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:58:38,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:58:38,064 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:58:38,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:58:38,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1405608837, now seen corresponding path program 1 times [2022-12-14 07:58:38,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:58:38,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965719621] [2022-12-14 07:58:38,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:58:38,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:58:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:58:38,163 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:58:38,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965719621] [2022-12-14 07:58:38,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965719621] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:58:38,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:58:38,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:58:38,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260371228] [2022-12-14 07:58:38,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:58:38,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:58:38,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:58:38,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:58:38,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:58:38,165 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:58:38,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:58:38,218 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2022-12-14 07:58:38,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:58:38,219 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 20 [2022-12-14 07:58:38,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:58:38,219 INFO L225 Difference]: With dead ends: 37 [2022-12-14 07:58:38,220 INFO L226 Difference]: Without dead ends: 35 [2022-12-14 07:58:38,220 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 [2022-12-14 07:58:38,221 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 9 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:58:38,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 45 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:58:38,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-14 07:58:38,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2022-12-14 07:58:38,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 27 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:58:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2022-12-14 07:58:38,228 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 20 [2022-12-14 07:58:38,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:58:38,229 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2022-12-14 07:58:38,229 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:58:38,229 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-12-14 07:58:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 07:58:38,230 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:58:38,230 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:58:38,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:58:38,230 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:58:38,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:58:38,231 INFO L85 PathProgramCache]: Analyzing trace with hash 624110910, now seen corresponding path program 1 times [2022-12-14 07:58:38,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:58:38,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130057574] [2022-12-14 07:58:38,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:58:38,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:58:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:58:38,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:58:38,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130057574] [2022-12-14 07:58:38,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130057574] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:58:38,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:58:38,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:58:38,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775797938] [2022-12-14 07:58:38,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:58:38,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:58:38,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:58:38,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:58:38,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:58:38,346 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:58:38,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:58:38,406 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-12-14 07:58:38,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:58:38,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 21 [2022-12-14 07:58:38,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:58:38,407 INFO L225 Difference]: With dead ends: 40 [2022-12-14 07:58:38,407 INFO L226 Difference]: Without dead ends: 39 [2022-12-14 07:58:38,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 07:58:38,408 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 13 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:58:38,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 81 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:58:38,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-14 07:58:38,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2022-12-14 07:58:38,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 27 states have internal predecessors, (31), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:58:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2022-12-14 07:58:38,413 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 21 [2022-12-14 07:58:38,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:58:38,414 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-12-14 07:58:38,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:58:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-12-14 07:58:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 07:58:38,415 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:58:38,415 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:58:38,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:58:38,415 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:58:38,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:58:38,416 INFO L85 PathProgramCache]: Analyzing trace with hash -2127398197, now seen corresponding path program 1 times [2022-12-14 07:58:38,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:58:38,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689877549] [2022-12-14 07:58:38,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:58:38,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:58:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:58:38,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:58:38,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689877549] [2022-12-14 07:58:38,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689877549] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:58:38,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:58:38,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:58:38,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314550593] [2022-12-14 07:58:38,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:58:38,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:58:38,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:58:38,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:58:38,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:58:38,510 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:58:38,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:58:38,564 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2022-12-14 07:58:38,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:58:38,565 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 22 [2022-12-14 07:58:38,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:58:38,566 INFO L225 Difference]: With dead ends: 46 [2022-12-14 07:58:38,566 INFO L226 Difference]: Without dead ends: 45 [2022-12-14 07:58:38,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 07:58:38,567 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 18 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:58:38,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 82 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:58:38,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-14 07:58:38,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37. [2022-12-14 07:58:38,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 31 states have internal predecessors, (36), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:58:38,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2022-12-14 07:58:38,573 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 22 [2022-12-14 07:58:38,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:58:38,573 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2022-12-14 07:58:38,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:58:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-12-14 07:58:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 07:58:38,575 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:58:38,575 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:58:38,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:58:38,575 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:58:38,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:58:38,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1438193490, now seen corresponding path program 1 times [2022-12-14 07:58:38,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:58:38,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567886377] [2022-12-14 07:58:38,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:58:38,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:58:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:38,654 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:58:38,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:58:38,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567886377] [2022-12-14 07:58:38,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567886377] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:58:38,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203626331] [2022-12-14 07:58:38,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:58:38,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:58:38,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:58:38,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:58:38,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:58:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:38,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:58:38,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:58:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:58:38,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:58:38,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203626331] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:58:38,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:58:38,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-14 07:58:38,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430048335] [2022-12-14 07:58:38,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:58:38,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:58:38,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:58:38,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:58:38,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 07:58:38,775 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:58:38,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:58:38,812 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2022-12-14 07:58:38,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:58:38,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 23 [2022-12-14 07:58:38,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:58:38,813 INFO L225 Difference]: With dead ends: 37 [2022-12-14 07:58:38,814 INFO L226 Difference]: Without dead ends: 35 [2022-12-14 07:58:38,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:58:38,814 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 13 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:58:38,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 32 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:58:38,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-14 07:58:38,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-14 07:58:38,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 29 states have internal predecessors, (34), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:58:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2022-12-14 07:58:38,818 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 23 [2022-12-14 07:58:38,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:58:38,819 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2022-12-14 07:58:38,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:58:38,819 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-12-14 07:58:38,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 07:58:38,820 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:58:38,820 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:58:38,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:58:39,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:58:39,022 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:58:39,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:58:39,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1634325176, now seen corresponding path program 1 times [2022-12-14 07:58:39,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:58:39,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807603339] [2022-12-14 07:58:39,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:58:39,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:58:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:58:39,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:58:39,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807603339] [2022-12-14 07:58:39,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807603339] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:58:39,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068524473] [2022-12-14 07:58:39,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:58:39,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:58:39,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:58:39,188 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:58:39,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:58:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:39,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 07:58:39,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:58:39,276 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:58:39,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:58:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:58:39,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068524473] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:58:39,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1069659630] [2022-12-14 07:58:39,336 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-12-14 07:58:39,336 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:58:39,339 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:58:39,343 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:58:39,344 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:58:39,514 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 07:58:39,515 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 [2022-12-14 07:58:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:39,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-12-14 07:58:39,550 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 [2022-12-14 07:58:40,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:40,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2022-12-14 07:58:40,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:40,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:40,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:40,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:40,197 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-12-14 07:58:40,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 77 [2022-12-14 07:58:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:40,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 18 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 47 [2022-12-14 07:58:40,622 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 59 for LOIs [2022-12-14 07:58:40,635 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:58:43,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1069659630] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:58:43,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:58:43,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4, 4, 4] total 20 [2022-12-14 07:58:43,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118394797] [2022-12-14 07:58:43,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:58:43,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 07:58:43,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:58:43,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 07:58:43,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2022-12-14 07:58:43,217 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand has 12 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:58:43,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:58:43,416 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2022-12-14 07:58:43,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 07:58:43,416 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 24 [2022-12-14 07:58:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:58:43,417 INFO L225 Difference]: With dead ends: 51 [2022-12-14 07:58:43,417 INFO L226 Difference]: Without dead ends: 36 [2022-12-14 07:58:43,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2022-12-14 07:58:43,418 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 60 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:58:43,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 39 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:58:43,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-14 07:58:43,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2022-12-14 07:58:43,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 29 states have internal predecessors, (33), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:58:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2022-12-14 07:58:43,425 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 24 [2022-12-14 07:58:43,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:58:43,425 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2022-12-14 07:58:43,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:58:43,425 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-12-14 07:58:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 07:58:43,426 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:58:43,426 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:58:43,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:58:43,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:58:43,628 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:58:43,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:58:43,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1521515778, now seen corresponding path program 1 times [2022-12-14 07:58:43,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:58:43,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145405934] [2022-12-14 07:58:43,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:58:43,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:58:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:43,718 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:58:43,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:58:43,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145405934] [2022-12-14 07:58:43,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145405934] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:58:43,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913945195] [2022-12-14 07:58:43,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:58:43,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:58:43,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:58:43,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:58:43,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:58:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:43,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 07:58:43,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:58:43,803 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:58:43,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:58:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:58:43,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913945195] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:58:43,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1084977197] [2022-12-14 07:58:43,849 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-12-14 07:58:43,849 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:58:43,849 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:58:43,849 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:58:43,849 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:58:43,905 INFO L321 Elim1Store]: treesize reduction 12, result has 42.9 percent of original size [2022-12-14 07:58:43,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2022-12-14 07:58:43,950 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-12-14 07:58:43,951 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 [2022-12-14 07:58:44,006 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 07:58:44,006 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 [2022-12-14 07:58:44,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:44,951 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 07:58:44,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 382 treesize of output 387 [2022-12-14 07:58:45,055 INFO L321 Elim1Store]: treesize reduction 238, result has 9.8 percent of original size [2022-12-14 07:58:45,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 342 treesize of output 344 [2022-12-14 07:58:45,099 INFO L321 Elim1Store]: treesize reduction 82, result has 9.9 percent of original size [2022-12-14 07:58:45,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 341 treesize of output 338 [2022-12-14 07:58:45,777 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 59 for LOIs [2022-12-14 07:58:45,786 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:58:49,990 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1074#(and (<= |ULTIMATE.start_mkdup_~a#1.offset| 0) (<= 0 |ULTIMATE.start_finddup_~_i#1.offset|) (<= 0 |ULTIMATE.start_main_~#i~2#1.base|) (<= |ULTIMATE.start_mkdup_~j~0#1| 1073741824) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_finddup_#in~_i#1.offset| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_i#1.offset|) (<= 0 |ULTIMATE.start_mkdup_~a#1.offset|) (<= |ULTIMATE.start_finddup_~a#1.offset| 0) (<= |ULTIMATE.start_mkdup_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_mkdup_~x~0#1| 2147483648)) (<= |ULTIMATE.start_finddup_#in~n#1| 1073741824) (<= |ULTIMATE.start_finddup_~_i#1.offset| 0) (<= 1 |ULTIMATE.start_finddup_#in~n#1|) (<= |ULTIMATE.start_main_~n~0#1| 1073741824) (<= |ULTIMATE.start_finddup_~n#1| 1073741824) (<= 0 |ULTIMATE.start_finddup_~a#1.offset|) (<= |ULTIMATE.start_mkdup_~i~0#1| 1073741824) (<= 0 |ULTIMATE.start_mkdup_~i~0#1|) (<= 1 |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (<= |ULTIMATE.start_mkdup_~n#1| 1073741824) (<= 0 |ULTIMATE.start_mkdup_~j~0#1|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_i#1.base|) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (< 2147483646 |ULTIMATE.start_finddup_#t~post9#1|) (<= 4 |ULTIMATE.start_#Ultimate.meminit_#product#1|) (<= |ULTIMATE.start_mkdup_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_mkdup_~n#1|) (<= 0 |ULTIMATE.start_finddup_~_i#1.base|) (= |ULTIMATE.start_finddup_~i~1#1| 0) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_finddup_#in~a#1.offset| 0) (= |ULTIMATE.start_finddup_~j~1#1| |ULTIMATE.start_finddup_#t~post9#1|) (= |ULTIMATE.start_main_~#j~2#1.offset| 0) (<= 0 |ULTIMATE.start_finddup_~_j#1.offset|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_~_j#1.base|) (<= 0 |ULTIMATE.start_main_~#j~2#1.base|) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 4294967296) (<= |ULTIMATE.start_finddup_~_j#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 1073741824) (<= 0 |ULTIMATE.start_finddup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.base|) (<= 1 |ULTIMATE.start_finddup_~n#1|) (<= |ULTIMATE.start_mkdup_#in~n#1| 1073741824) (<= 1 |ULTIMATE.start_mkdup_#in~n#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (<= |ULTIMATE.start_finddup_#in~_j#1.offset| 0) (= |#NULL.base| 0) (= |ULTIMATE.start_main_~#i~2#1.offset| 0))' at error location [2022-12-14 07:58:49,991 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:58:49,991 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:58:49,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 15 [2022-12-14 07:58:49,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026944621] [2022-12-14 07:58:49,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:58:49,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 07:58:49,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:58:49,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 07:58:49,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=674, Unknown=0, NotChecked=0, Total=812 [2022-12-14 07:58:49,992 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 16 states, 15 states have (on average 2.4) internal successors, (36), 16 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:58:50,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:58:50,099 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2022-12-14 07:58:50,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 07:58:50,099 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.4) internal successors, (36), 16 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2022-12-14 07:58:50,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:58:50,100 INFO L225 Difference]: With dead ends: 67 [2022-12-14 07:58:50,100 INFO L226 Difference]: Without dead ends: 66 [2022-12-14 07:58:50,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=213, Invalid=977, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 07:58:50,101 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 60 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:58:50,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 128 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:58:50,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-12-14 07:58:50,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47. [2022-12-14 07:58:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.263157894736842) internal successors, (48), 41 states have internal predecessors, (48), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:58:50,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2022-12-14 07:58:50,113 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 26 [2022-12-14 07:58:50,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:58:50,113 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2022-12-14 07:58:50,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.4) internal successors, (36), 16 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:58:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-12-14 07:58:50,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 07:58:50,114 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:58:50,114 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:58:50,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 07:58:50,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:58:50,316 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:58:50,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:58:50,317 INFO L85 PathProgramCache]: Analyzing trace with hash 278691263, now seen corresponding path program 1 times [2022-12-14 07:58:50,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:58:50,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675362426] [2022-12-14 07:58:50,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:58:50,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:58:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 07:58:50,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:58:50,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675362426] [2022-12-14 07:58:50,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675362426] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:58:50,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179235998] [2022-12-14 07:58:50,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:58:50,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:58:50,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:58:50,400 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:58:50,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 07:58:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:50,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 07:58:50,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:58:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 07:58:50,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:58:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 07:58:50,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179235998] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:58:50,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [313885816] [2022-12-14 07:58:50,510 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-12-14 07:58:50,510 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:58:50,511 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:58:50,511 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:58:50,511 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:58:50,555 INFO L321 Elim1Store]: treesize reduction 12, result has 42.9 percent of original size [2022-12-14 07:58:50,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2022-12-14 07:58:50,599 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-12-14 07:58:50,600 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 [2022-12-14 07:58:50,642 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 07:58:50,642 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 [2022-12-14 07:58:51,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:51,484 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 07:58:51,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 382 treesize of output 387 [2022-12-14 07:58:51,605 INFO L321 Elim1Store]: treesize reduction 238, result has 9.8 percent of original size [2022-12-14 07:58:51,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 342 treesize of output 344 [2022-12-14 07:58:51,650 INFO L321 Elim1Store]: treesize reduction 82, result has 9.9 percent of original size [2022-12-14 07:58:51,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 341 treesize of output 338 [2022-12-14 07:58:53,444 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 59 for LOIs [2022-12-14 07:58:53,452 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:58:58,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [313885816] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:58:58,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:58:58,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [4, 4, 4] total 23 [2022-12-14 07:58:58,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442911524] [2022-12-14 07:58:58,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:58:58,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 07:58:58,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:58:58,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 07:58:58,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2022-12-14 07:58:58,017 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 16 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:59:03,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:03,592 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2022-12-14 07:59:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 07:59:03,592 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 28 [2022-12-14 07:59:03,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:03,593 INFO L225 Difference]: With dead ends: 47 [2022-12-14 07:59:03,593 INFO L226 Difference]: Without dead ends: 45 [2022-12-14 07:59:03,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 60 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=165, Invalid=705, Unknown=0, NotChecked=0, Total=870 [2022-12-14 07:59:03,594 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 55 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:03,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 4 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 07:59:03,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-14 07:59:03,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-12-14 07:59:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:59:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2022-12-14 07:59:03,610 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 28 [2022-12-14 07:59:03,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:03,611 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2022-12-14 07:59:03,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:59:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-12-14 07:59:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 07:59:03,612 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:03,612 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:03,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 07:59:03,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:59:03,813 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:59:03,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:03,814 INFO L85 PathProgramCache]: Analyzing trace with hash 319787233, now seen corresponding path program 1 times [2022-12-14 07:59:03,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:59:03,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173121435] [2022-12-14 07:59:03,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:03,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:59:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:03,856 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 07:59:03,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:59:03,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173121435] [2022-12-14 07:59:03,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173121435] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:59:03,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:59:03,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:59:03,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001127958] [2022-12-14 07:59:03,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:59:03,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:59:03,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:59:03,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:59:03,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:59:03,858 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:03,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:03,890 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2022-12-14 07:59:03,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:59:03,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2022-12-14 07:59:03,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:03,891 INFO L225 Difference]: With dead ends: 45 [2022-12-14 07:59:03,891 INFO L226 Difference]: Without dead ends: 44 [2022-12-14 07:59:03,892 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 [2022-12-14 07:59:03,892 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:03,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 30 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:59:03,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-14 07:59:03,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 38. [2022-12-14 07:59:03,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:59:03,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2022-12-14 07:59:03,906 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 31 [2022-12-14 07:59:03,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:03,906 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2022-12-14 07:59:03,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:03,906 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-12-14 07:59:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 07:59:03,907 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:03,907 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:03,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 07:59:03,907 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:59:03,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:03,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1320674806, now seen corresponding path program 1 times [2022-12-14 07:59:03,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:59:03,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96525692] [2022-12-14 07:59:03,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:03,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:59:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 07:59:03,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:59:03,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96525692] [2022-12-14 07:59:03,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96525692] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:59:03,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713292996] [2022-12-14 07:59:03,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:03,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:59:03,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:59:03,981 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:59:03,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 07:59:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:04,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 07:59:04,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:04,088 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:59:04,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:59:04,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713292996] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:59:04,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [813637781] [2022-12-14 07:59:04,136 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-12-14 07:59:04,136 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:59:04,136 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:59:04,136 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:59:04,136 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:59:04,202 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 07:59:04,202 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 [2022-12-14 07:59:04,212 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 [2022-12-14 07:59:04,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:04,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-12-14 07:59:04,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:59:04,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:04,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2022-12-14 07:59:04,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:04,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:04,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:04,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:04,581 INFO L321 Elim1Store]: treesize reduction 60, result has 33.3 percent of original size [2022-12-14 07:59:04,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 61 [2022-12-14 07:59:04,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:04,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:04,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:04,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:04,668 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-12-14 07:59:04,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 77 [2022-12-14 07:59:06,465 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 59 for LOIs [2022-12-14 07:59:06,475 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:59:12,199 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1871#(and (<= |ULTIMATE.start_mkdup_~a#1.offset| 0) (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 |ULTIMATE.start_finddup_~_i#1.offset|) (<= 0 |ULTIMATE.start_main_~#i~2#1.base|) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934588) (<= |ULTIMATE.start_finddup_#in~_i#1.offset| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_i#1.offset|) (<= |ULTIMATE.start_mkdup_~j~0#1| 2147483647) (<= 0 |ULTIMATE.start_mkdup_~a#1.offset|) (<= |ULTIMATE.start_mkdup_~i~0#1| 2147483647) (<= |ULTIMATE.start_finddup_~a#1.offset| 0) (<= |ULTIMATE.start_mkdup_~n#1| 2147483647) (<= |ULTIMATE.start_mkdup_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_mkdup_~x~0#1| 2147483648)) (<= |ULTIMATE.start_finddup_~_i#1.offset| 0) (<= 1 |ULTIMATE.start_finddup_#in~n#1|) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483647) (<= 0 |ULTIMATE.start_finddup_~a#1.offset|) (<= 1 |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (<= 0 |ULTIMATE.start_finddup_~i~1#1|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.offset|) (<= 0 (+ |ULTIMATE.start_mkdup_~j~0#1| 2147483648)) (<= 0 |ULTIMATE.start_finddup_#in~_i#1.base|) (<= |ULTIMATE.start_mkdup_#in~n#1| 2147483647) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (< 2147483646 |ULTIMATE.start_finddup_#t~post9#1|) (<= 4 |ULTIMATE.start_#Ultimate.meminit_#product#1|) (<= |ULTIMATE.start_mkdup_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_mkdup_~n#1|) (<= 0 |ULTIMATE.start_finddup_~_i#1.base|) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) (<= |ULTIMATE.start_finddup_~n#1| 2147483647) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_finddup_#in~n#1| 2147483647) (<= |ULTIMATE.start_finddup_#in~a#1.offset| 0) (= |ULTIMATE.start_finddup_~j~1#1| |ULTIMATE.start_finddup_#t~post9#1|) (= |ULTIMATE.start_main_~#j~2#1.offset| 0) (<= 0 |ULTIMATE.start_finddup_~_j#1.offset|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_~_j#1.base|) (<= 0 |ULTIMATE.start_main_~#j~2#1.base|) (<= |ULTIMATE.start_finddup_~_j#1.offset| 0) (<= 0 (+ |ULTIMATE.start_mkdup_~i~0#1| 2147483648)) (<= 0 |ULTIMATE.start_finddup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.base|) (<= 1 |ULTIMATE.start_finddup_~n#1|) (<= 1 |ULTIMATE.start_mkdup_#in~n#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (<= |ULTIMATE.start_finddup_#in~_j#1.offset| 0) (= |#NULL.base| 0) (= |ULTIMATE.start_main_~#i~2#1.offset| 0))' at error location [2022-12-14 07:59:12,199 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:59:12,199 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:59:12,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 13 [2022-12-14 07:59:12,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568352790] [2022-12-14 07:59:12,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:59:12,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 07:59:12,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:59:12,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 07:59:12,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=666, Unknown=0, NotChecked=0, Total=756 [2022-12-14 07:59:12,200 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:12,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:12,549 INFO L93 Difference]: Finished difference Result 105 states and 122 transitions. [2022-12-14 07:59:12,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-14 07:59:12,549 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2022-12-14 07:59:12,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:12,549 INFO L225 Difference]: With dead ends: 105 [2022-12-14 07:59:12,550 INFO L226 Difference]: Without dead ends: 74 [2022-12-14 07:59:12,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 67 SyntacticMatches, 10 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=270, Invalid=1986, Unknown=0, NotChecked=0, Total=2256 [2022-12-14 07:59:12,550 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 117 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:12,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 107 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:59:12,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-14 07:59:12,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 56. [2022-12-14 07:59:12,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 50 states have (on average 1.14) internal successors, (57), 50 states have internal predecessors, (57), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:59:12,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2022-12-14 07:59:12,567 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 32 [2022-12-14 07:59:12,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:12,567 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2022-12-14 07:59:12,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:12,567 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2022-12-14 07:59:12,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 07:59:12,568 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:12,568 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:12,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 07:59:12,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 07:59:12,770 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:59:12,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:12,771 INFO L85 PathProgramCache]: Analyzing trace with hash 338022055, now seen corresponding path program 2 times [2022-12-14 07:59:12,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:59:12,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360505529] [2022-12-14 07:59:12,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:12,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:59:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 07:59:12,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:59:12,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360505529] [2022-12-14 07:59:12,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360505529] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:59:12,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843054040] [2022-12-14 07:59:12,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 07:59:12,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:59:12,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:59:12,939 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:59:12,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 07:59:12,984 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 07:59:12,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:59:12,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 07:59:12,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:13,025 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-14 07:59:13,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:13,061 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-14 07:59:13,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843054040] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:59:13,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1211409362] [2022-12-14 07:59:13,063 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-12-14 07:59:13,063 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:59:13,063 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:59:13,063 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:59:13,063 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:59:13,131 INFO L321 Elim1Store]: treesize reduction 42, result has 40.0 percent of original size [2022-12-14 07:59:13,132 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 [2022-12-14 07:59:13,176 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 07:59:13,176 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 [2022-12-14 07:59:13,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:13,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-12-14 07:59:13,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:59:13,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:13,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2022-12-14 07:59:13,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:13,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:13,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:13,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:13,531 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-12-14 07:59:13,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 77 [2022-12-14 07:59:13,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:13,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:13,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:59:13,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 18 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 47 [2022-12-14 07:59:14,403 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 59 for LOIs [2022-12-14 07:59:14,411 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:59:18,991 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2373#(and (<= |ULTIMATE.start_mkdup_~a#1.offset| 0) (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 |ULTIMATE.start_finddup_~_i#1.offset|) (<= 0 |ULTIMATE.start_main_~#i~2#1.base|) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 8589934588) (<= |ULTIMATE.start_finddup_#in~_i#1.offset| 0) (<= 0 |ULTIMATE.start_main_~a~0#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_i#1.offset|) (<= |ULTIMATE.start_mkdup_~j~0#1| 2147483647) (<= 0 |ULTIMATE.start_mkdup_~a#1.offset|) (<= |ULTIMATE.start_mkdup_~i~0#1| 2147483647) (<= |ULTIMATE.start_finddup_~a#1.offset| 0) (<= |ULTIMATE.start_mkdup_~n#1| 2147483647) (<= |ULTIMATE.start_mkdup_#in~a#1.offset| 0) (<= 0 (+ |ULTIMATE.start_mkdup_~x~0#1| 2147483648)) (<= |ULTIMATE.start_finddup_~_i#1.offset| 0) (<= 1 |ULTIMATE.start_finddup_#in~n#1|) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 2147483647) (<= 0 |ULTIMATE.start_finddup_~a#1.offset|) (<= 1 |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.offset|) (<= 0 (+ |ULTIMATE.start_mkdup_~j~0#1| 2147483648)) (<= 0 |ULTIMATE.start_finddup_#in~_i#1.base|) (<= |ULTIMATE.start_mkdup_#in~n#1| 2147483647) (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (< 2147483646 |ULTIMATE.start_finddup_#t~post9#1|) (<= 4 |ULTIMATE.start_#Ultimate.meminit_#product#1|) (<= |ULTIMATE.start_mkdup_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_mkdup_~n#1|) (<= 0 |ULTIMATE.start_finddup_~_i#1.base|) (= |ULTIMATE.start_finddup_~i~1#1| 0) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) (<= |ULTIMATE.start_finddup_~n#1| 2147483647) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_finddup_#in~n#1| 2147483647) (<= |ULTIMATE.start_finddup_#in~a#1.offset| 0) (= |ULTIMATE.start_finddup_~j~1#1| |ULTIMATE.start_finddup_#t~post9#1|) (= |ULTIMATE.start_main_~#j~2#1.offset| 0) (<= 0 |ULTIMATE.start_finddup_~_j#1.offset|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_~_j#1.base|) (<= 0 |ULTIMATE.start_main_~#j~2#1.base|) (<= |ULTIMATE.start_finddup_~_j#1.offset| 0) (<= 0 (+ |ULTIMATE.start_mkdup_~i~0#1| 2147483648)) (<= 0 |ULTIMATE.start_finddup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.base|) (<= 1 |ULTIMATE.start_finddup_~n#1|) (<= 1 |ULTIMATE.start_mkdup_#in~n#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (<= |ULTIMATE.start_finddup_#in~_j#1.offset| 0) (= |#NULL.base| 0) (= |ULTIMATE.start_main_~#i~2#1.offset| 0))' at error location [2022-12-14 07:59:18,991 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:59:18,991 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:59:18,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 17 [2022-12-14 07:59:18,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281304611] [2022-12-14 07:59:18,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:59:18,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-14 07:59:18,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:59:18,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-14 07:59:18,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=772, Unknown=0, NotChecked=0, Total=930 [2022-12-14 07:59:18,993 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand has 18 states, 17 states have (on average 2.411764705882353) internal successors, (41), 18 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 07:59:19,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:19,295 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2022-12-14 07:59:19,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 07:59:19,295 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.411764705882353) internal successors, (41), 18 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 38 [2022-12-14 07:59:19,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:19,295 INFO L225 Difference]: With dead ends: 75 [2022-12-14 07:59:19,295 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 07:59:19,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 86 SyntacticMatches, 10 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=436, Invalid=1820, Unknown=0, NotChecked=0, Total=2256 [2022-12-14 07:59:19,296 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 117 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:19,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 80 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:59:19,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 07:59:19,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 07:59:19,297 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) [2022-12-14 07:59:19,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 07:59:19,297 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-12-14 07:59:19,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:19,297 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 07:59:19,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.411764705882353) internal successors, (41), 18 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 07:59:19,297 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 07:59:19,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 07:59:19,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-14 07:59:19,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-14 07:59:19,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-14 07:59:19,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-14 07:59:19,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-14 07:59:19,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-14 07:59:19,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 07:59:19,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:59:19,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 07:59:23,247 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 07:59:23,247 INFO L902 garLoopResultBuilder]: At program point L60-2(line 60) the Hoare annotation is: true [2022-12-14 07:59:23,248 INFO L899 garLoopResultBuilder]: For program point L60-3(line 60) no Hoare annotation was computed. [2022-12-14 07:59:23,248 INFO L895 garLoopResultBuilder]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= (select |#length| 3) 12) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_mkdup_~j~0#1| 2147483647) (<= |ULTIMATE.start_mkdup_~i~0#1| 2147483647) (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_main_~n~0#1|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (not (= 3 |ULTIMATE.start_main_#t~malloc13#1.base|)) (<= 0 (+ |ULTIMATE.start_mkdup_~j~0#1| 2147483648)) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_#t~malloc13#1.offset|) (= (select |#valid| |ULTIMATE.start_main_#t~malloc13#1.base|) 1) (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0)) (= |ULTIMATE.start_main_#t~malloc13#1.offset| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) (= (select |#valid| 1) 1) (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_mkdup_~n#1|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= (select |#valid| 0) 0) (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc13#1.base|)) (<= 0 (+ |ULTIMATE.start_mkdup_~i~0#1| 2147483648)) (= |ULTIMATE.start_mkdup_~a#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= |ULTIMATE.start_mkdup_~a#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|)) (< |ULTIMATE.start_main_#t~malloc13#1.base| |#StackHeapBarrier|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-12-14 07:59:23,248 INFO L895 garLoopResultBuilder]: At program point L23-1(line 23) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= (select |#length| 3) 12) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (<= |ULTIMATE.start_mkdup_~j~0#1| 2147483647) (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_main_~n~0#1|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4)) (= 2 (select |#length| 1)) (not (= (ite (and (< |ULTIMATE.start_mkdup_~i~0#1| |ULTIMATE.start_mkdup_~n#1|) (<= 0 |ULTIMATE.start_mkdup_~i~0#1|)) 1 0) 0)) (= (select |#valid| 3) 1) (not (= 3 |ULTIMATE.start_main_#t~malloc13#1.base|)) (<= 0 (+ |ULTIMATE.start_mkdup_~j~0#1| 2147483648)) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (= (select |#valid| |ULTIMATE.start_main_#t~malloc13#1.base|) 1) (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0)) (= |ULTIMATE.start_main_#t~malloc13#1.offset| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) (= (select |#valid| 1) 1) (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_mkdup_~n#1|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= (select |#valid| 0) 0) (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|) (= (select .cse0 0) 48) (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc13#1.base|)) (= |ULTIMATE.start_mkdup_~a#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= |ULTIMATE.start_mkdup_~a#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|)) (< |ULTIMATE.start_main_#t~malloc13#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-12-14 07:59:23,248 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-12-14 07:59:23,248 INFO L899 garLoopResultBuilder]: For program point L36-4(line 36) no Hoare annotation was computed. [2022-12-14 07:59:23,248 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 07:59:23,249 INFO L895 garLoopResultBuilder]: At program point L36-5(lines 36 44) the Hoare annotation is: (let ((.cse58 (select |#memory_int| 1))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse3 (= 2 (select |#length| 1))) (.cse5 (= (select |#valid| 3) 1)) (.cse10 (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0))) (.cse11 (= (select |#valid| 1) 1)) (.cse12 (= (select |#valid| 0) 0)) (.cse14 (= (select |#valid| 2) 1)) (.cse17 (= (select .cse58 0) 48)) (.cse1 (<= 4 |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1|)) (.cse2 (<= 0 (+ |ULTIMATE.start_mkdup_~x~0#1| 2147483648))) (.cse4 (<= 0 |ULTIMATE.start_mkdup_~i~0#1|)) (.cse7 (<= 0 |ULTIMATE.start_mkdup_~j~0#1|)) (.cse6 (<= 0 |ULTIMATE.start_finddup_#in~_j#1.offset|)) (.cse8 (<= |ULTIMATE.start_mkdup_~x~0#1| 2147483647)) (.cse9 (<= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4)) (.cse13 (<= 0 |ULTIMATE.start_finddup_~_j#1.offset|)) (.cse15 (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|)) (.cse16 (<= |ULTIMATE.start_finddup_~_j#1.offset| 0)) (.cse18 (= 10 (select |#length| 2))) (.cse19 (= (select .cse58 1) 0)) (.cse20 (<= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse21 (<= |ULTIMATE.start_finddup_#in~_j#1.offset| 0)) (.cse22 (< 0 |#StackHeapBarrier|)) (.cse23 (= |#NULL.base| 0)) (.cse24 (= |ULTIMATE.start_main_~#i~2#1.offset| 0))) (or (and (= |ULTIMATE.start_main_~#j~2#1.base| |ULTIMATE.start_finddup_#in~_j#1.base|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) .cse0 (= (select |#valid| |ULTIMATE.start_main_~#j~2#1.base|) 1) .cse1 (= |ULTIMATE.start_finddup_#in~a#1.base| |ULTIMATE.start_main_~a~0#1.base|) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~2#1.base|) .cse2 (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_main_~n~0#1|) (= (select |#length| |ULTIMATE.start_main_~#i~2#1.base|) 4) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= |ULTIMATE.start_finddup_~_j#1.base| |ULTIMATE.start_finddup_#in~_j#1.base|) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#j~2#1.base|) (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4)) (= |ULTIMATE.start_finddup_~_i#1.base| |ULTIMATE.start_finddup_#in~_i#1.base|) (= |ULTIMATE.start_main_~#i~2#1.base| |ULTIMATE.start_finddup_#in~_i#1.base|) (= |ULTIMATE.start_finddup_#in~a#1.base| |ULTIMATE.start_finddup_~a#1.base|) (= (select |#length| |ULTIMATE.start_main_~#j~2#1.base|) 4) (= (select |#valid| |ULTIMATE.start_main_~#i~2#1.base|) 1) .cse3 (not (= (ite (and (< |ULTIMATE.start_mkdup_~i~0#1| |ULTIMATE.start_mkdup_~n#1|) .cse4) 1 0) 0)) (= |ULTIMATE.start_finddup_#in~a#1.offset| |ULTIMATE.start_finddup_~a#1.offset|) .cse5 (not (= 3 |ULTIMATE.start_main_#t~malloc13#1.base|)) .cse6 (not (= (ite (and (< |ULTIMATE.start_mkdup_~j~0#1| |ULTIMATE.start_mkdup_~n#1|) .cse7) 1 0) 0)) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) .cse8 (= (select |#valid| |ULTIMATE.start_main_#t~malloc13#1.base|) 1) (not (= |ULTIMATE.start_main_~#j~2#1.base| |ULTIMATE.start_main_~#i~2#1.base|)) .cse9 (= |ULTIMATE.start_main_~#i~2#1.offset| |ULTIMATE.start_finddup_#in~_i#1.offset|) (not (= (ite (not (= |ULTIMATE.start_mkdup_~i~0#1| |ULTIMATE.start_mkdup_~j~0#1|)) 1 0) 0)) .cse10 (= |ULTIMATE.start_main_#t~malloc13#1.offset| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_finddup_~i~1#1| 0) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) .cse11 (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_mkdup_~n#1|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_finddup_#in~a#1.offset|) .cse12 (= |ULTIMATE.start_main_~#j~2#1.offset| 0) (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= |ULTIMATE.start_finddup_#in~_i#1.offset| |ULTIMATE.start_finddup_~_i#1.offset|) .cse13 .cse14 (= |#NULL.offset| 0) .cse15 .cse16 .cse17 (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc13#1.base|)) (= |ULTIMATE.start_finddup_~n#1| |ULTIMATE.start_finddup_#in~n#1|) (= |ULTIMATE.start_mkdup_~a#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= |ULTIMATE.start_mkdup_~a#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) .cse18 .cse19 (< |ULTIMATE.start_main_#t~malloc13#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_finddup_#in~n#1|) .cse20 .cse21 .cse22 .cse23 .cse24 (= (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|) (store (store ((as const (Array Int Int)) 0) (+ |ULTIMATE.start_mkdup_~a#1.offset| (* |ULTIMATE.start_mkdup_~i~0#1| 4)) |ULTIMATE.start_mkdup_~x~0#1|) (+ |ULTIMATE.start_mkdup_~a#1.offset| (* |ULTIMATE.start_mkdup_~j~0#1| 4)) |ULTIMATE.start_mkdup_~x~0#1|))) (and .cse0 (<= 1 |ULTIMATE.start_finddup_#in~n#1|) (<= |ULTIMATE.start_finddup_~j~1#1| 2147483647) .cse3 (<= 1 |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) .cse5 (<= 4 |ULTIMATE.start_#Ultimate.meminit_#product#1|) .cse10 (<= 1 |ULTIMATE.start_mkdup_~n#1|) .cse11 (<= 1 |ULTIMATE.start_main_~n~0#1|) .cse12 .cse14 .cse17 (let ((.cse25 (<= |ULTIMATE.start_mkdup_~a#1.offset| 0)) (.cse26 (<= 0 |ULTIMATE.start_finddup_~_i#1.offset|)) (.cse27 (<= 0 |ULTIMATE.start_main_~#i~2#1.base|)) (.cse28 (<= |ULTIMATE.start_mkdup_~j~0#1| 1073741824)) (.cse29 (<= |ULTIMATE.start_finddup_#in~_i#1.offset| 0)) (.cse30 (<= 0 |ULTIMATE.start_main_~a~0#1.offset|)) (.cse31 (<= 0 |ULTIMATE.start_finddup_#in~_i#1.offset|)) (.cse32 (<= 0 |ULTIMATE.start_mkdup_~a#1.offset|)) (.cse33 (<= |ULTIMATE.start_finddup_~a#1.offset| 0)) (.cse34 (<= |ULTIMATE.start_mkdup_#in~a#1.offset| 0)) (.cse35 (<= |ULTIMATE.start_finddup_#in~n#1| 1073741824)) (.cse36 (<= |ULTIMATE.start_finddup_~_i#1.offset| 0)) (.cse37 (<= |ULTIMATE.start_main_~#j~2#1.offset| 0)) (.cse38 (<= |ULTIMATE.start_finddup_~n#1| 1073741824)) (.cse39 (<= 0 |ULTIMATE.start_finddup_~a#1.offset|)) (.cse40 (<= |ULTIMATE.start_mkdup_~i~0#1| 1073741824)) (.cse41 (<= |ULTIMATE.start_mkdup_~n#1| 1073741824)) (.cse42 (<= 0 |ULTIMATE.start_main_#t~malloc13#1.offset|)) (.cse43 (<= |#NULL.offset| 0)) (.cse44 (<= 0 |ULTIMATE.start_finddup_#in~_i#1.base|)) (.cse45 (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|)) (.cse46 (<= 0 |ULTIMATE.start_main_~#j~2#1.offset|)) (.cse47 (<= 0 |ULTIMATE.start_finddup_~_i#1.base|)) (.cse48 (<= |ULTIMATE.start_finddup_#in~a#1.offset| 0)) (.cse49 (<= |ULTIMATE.start_main_#t~malloc13#1.offset| 0)) (.cse50 (<= 0 |ULTIMATE.start_finddup_~_j#1.base|)) (.cse51 (<= 0 |ULTIMATE.start_main_~#j~2#1.base|)) (.cse52 (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 4294967296)) (.cse53 (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 1073741824)) (.cse54 (<= 0 |ULTIMATE.start_finddup_#in~a#1.offset|)) (.cse55 (<= 0 |ULTIMATE.start_finddup_#in~_j#1.base|)) (.cse56 (<= |ULTIMATE.start_mkdup_#in~n#1| 1073741824)) (.cse57 (<= 0 |#NULL.offset|))) (or (and .cse25 (<= 2 |ULTIMATE.start_finddup_~j~1#1|) .cse26 .cse27 .cse28 (<= |ULTIMATE.start_finddup_~i~1#1| 2147483647) .cse1 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse2 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse4 .cse41 .cse7 .cse42 .cse43 .cse6 .cse44 .cse45 .cse46 .cse8 .cse9 .cse47 .cse48 .cse13 .cse49 .cse15 .cse50 .cse51 .cse52 .cse16 .cse53 .cse54 .cse55 .cse56 .cse57 (<= 1 |ULTIMATE.start_finddup_~i~1#1|)) (and .cse25 .cse26 .cse27 .cse28 .cse1 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse2 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse4 .cse41 (<= 0 |ULTIMATE.start_finddup_~i~1#1|) .cse7 .cse42 .cse43 .cse6 .cse44 .cse45 .cse46 .cse8 .cse9 .cse47 (<= |ULTIMATE.start_finddup_~i~1#1| 0) .cse48 .cse13 .cse49 .cse15 .cse50 .cse51 .cse52 .cse16 .cse53 .cse54 .cse55 .cse56 .cse57))) .cse18 (<= |ULTIMATE.start_finddup_~n#1| |ULTIMATE.start_finddup_~j~1#1|) (<= 1 |ULTIMATE.start_finddup_~n#1|) (<= 1 |ULTIMATE.start_mkdup_#in~n#1|) .cse19 .cse20 (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) .cse21 .cse22 .cse23 .cse24)))) [2022-12-14 07:59:23,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 07:59:23,249 INFO L902 garLoopResultBuilder]: At program point L61-2(line 61) the Hoare annotation is: true [2022-12-14 07:59:23,249 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2022-12-14 07:59:23,249 INFO L895 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= (select |#length| 3) 12) (= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4) (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_main_~n~0#1|) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= |ULTIMATE.start_#Ultimate.meminit_#product#1| (* |ULTIMATE.start_main_~n~0#1| 4)) (= 2 (select |#length| 1)) (not (= (ite (and (< |ULTIMATE.start_mkdup_~i~0#1| |ULTIMATE.start_mkdup_~n#1|) (<= 0 |ULTIMATE.start_mkdup_~i~0#1|)) 1 0) 0)) (= (select |#valid| 3) 1) (not (= 3 |ULTIMATE.start_main_#t~malloc13#1.base|)) (not (= (ite (and (< |ULTIMATE.start_mkdup_~j~0#1| |ULTIMATE.start_mkdup_~n#1|) (<= 0 |ULTIMATE.start_mkdup_~j~0#1|)) 1 0) 0)) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (= (select |#valid| |ULTIMATE.start_main_#t~malloc13#1.base|) 1) (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0)) (= |ULTIMATE.start_main_#t~malloc13#1.offset| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|) (= |ULTIMATE.start_main_#t~malloc13#1.offset| 0) (= (select |#valid| 1) 1) (= |ULTIMATE.start_mkdup_#in~n#1| |ULTIMATE.start_mkdup_~n#1|) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= (select |#valid| 0) 0) (= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base| |ULTIMATE.start_main_#t~malloc13#1.base|) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|) (= (select .cse0 0) 48) (= (* (mod |ULTIMATE.start_main_~n~0#1| 1073741824) 4) (select |#length| |ULTIMATE.start_main_#t~malloc13#1.base|)) (= |ULTIMATE.start_mkdup_~a#1.base| |ULTIMATE.start_mkdup_#in~a#1.base|) (= |ULTIMATE.start_mkdup_~a#1.offset| |ULTIMATE.start_mkdup_#in~a#1.offset|) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= ((as const (Array Int Int)) 0) (select |#memory_int| |ULTIMATE.start_#Ultimate.meminit_#ptr#1.base|)) (< |ULTIMATE.start_main_#t~malloc13#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-12-14 07:59:23,249 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-12-14 07:59:23,249 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2022-12-14 07:59:23,250 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 07:59:23,250 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 07:59:23,250 INFO L899 garLoopResultBuilder]: For program point L37-5(line 37) no Hoare annotation was computed. [2022-12-14 07:59:23,250 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2022-12-14 07:59:23,250 INFO L895 garLoopResultBuilder]: At program point L37-7(lines 37 43) the Hoare annotation is: (let ((.cse28 (select |#memory_int| 1))) (and (< |ULTIMATE.start_finddup_~i~1#1| |ULTIMATE.start_finddup_~n#1|) (= (select |#length| 3) 12) (<= 1 |ULTIMATE.start_finddup_#in~n#1|) (<= |ULTIMATE.start_finddup_~j~1#1| 2147483647) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1|) (= (select |#valid| 3) 1) (<= 1 |ULTIMATE.start_finddup_~j~1#1|) (<= 4 |ULTIMATE.start_#Ultimate.meminit_#product#1|) (not (= (ite (and (< |ULTIMATE.start_main_~n~0#1| 1073741824) (<= 0 |ULTIMATE.start_main_~n~0#1|)) 1 0) 0)) (let ((.cse0 (<= |ULTIMATE.start_mkdup_~a#1.offset| 0)) (.cse1 (<= 0 |ULTIMATE.start_finddup_~_i#1.offset|)) (.cse2 (<= 0 |ULTIMATE.start_main_~#i~2#1.base|)) (.cse3 (<= |ULTIMATE.start_mkdup_~j~0#1| 1073741824)) (.cse4 (<= 4 |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1|)) (.cse5 (<= |ULTIMATE.start_finddup_#in~_i#1.offset| 0)) (.cse6 (<= 0 |ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (<= 0 |ULTIMATE.start_finddup_#in~_i#1.offset|)) (.cse8 (<= 0 |ULTIMATE.start_mkdup_~a#1.offset|)) (.cse9 (<= |ULTIMATE.start_finddup_~a#1.offset| 0)) (.cse10 (<= |ULTIMATE.start_mkdup_#in~a#1.offset| 0)) (.cse11 (<= 0 (+ |ULTIMATE.start_mkdup_~x~0#1| 2147483648))) (.cse12 (<= |ULTIMATE.start_finddup_#in~n#1| 1073741824)) (.cse13 (<= |ULTIMATE.start_finddup_~_i#1.offset| 0)) (.cse14 (<= |ULTIMATE.start_finddup_~n#1| 1073741824)) (.cse15 (<= 0 |ULTIMATE.start_finddup_~a#1.offset|)) (.cse16 (<= |ULTIMATE.start_mkdup_~i~0#1| 1073741824)) (.cse17 (<= 0 |ULTIMATE.start_mkdup_~i~0#1|)) (.cse18 (<= |ULTIMATE.start_mkdup_~n#1| 1073741824)) (.cse19 (<= 0 |ULTIMATE.start_mkdup_~j~0#1|)) (.cse20 (<= 0 |ULTIMATE.start_main_#t~malloc13#1.offset|)) (.cse21 (<= 0 |ULTIMATE.start_finddup_#in~_j#1.offset|)) (.cse22 (<= 0 |ULTIMATE.start_finddup_#in~_i#1.base|)) (.cse23 (<= 0 |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset|)) (.cse24 (<= |ULTIMATE.start_mkdup_~x~0#1| 2147483647)) (.cse25 (<= |ULTIMATE.start_#Ultimate.meminit_#sizeOfFields#1| 4)) (.cse26 (<= 0 |ULTIMATE.start_finddup_~_i#1.base|)) (.cse27 (<= |ULTIMATE.start_main_#t~malloc13#1.offset| 0))) (or (and .cse0 (<= 2 |ULTIMATE.start_finddup_~j~1#1|) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 (<= 1 |ULTIMATE.start_finddup_~i~1#1|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= 0 |ULTIMATE.start_finddup_~i~1#1|) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (<= |ULTIMATE.start_finddup_~i~1#1| 0) .cse27))) (<= 1 |ULTIMATE.start_mkdup_~n#1|) (= (select |#valid| 1) 1) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_finddup_#in~a#1.offset| 0) (= (select |#valid| 0) 0) (= |ULTIMATE.start_main_~#j~2#1.offset| 0) (<= 0 |ULTIMATE.start_finddup_~_j#1.offset|) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_mkdup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_~_j#1.base|) (<= 0 |ULTIMATE.start_main_~#j~2#1.base|) (<= |ULTIMATE.start_#Ultimate.meminit_#product#1| 4294967296) (<= |ULTIMATE.start_finddup_~_j#1.offset| 0) (= (select .cse28 0) 48) (<= |ULTIMATE.start_#Ultimate.meminit_#amountOfFields#1| 1073741824) (<= 0 |ULTIMATE.start_finddup_#in~a#1.offset|) (<= 0 |ULTIMATE.start_finddup_#in~_j#1.base|) (= 10 (select |#length| 2)) (<= |ULTIMATE.start_mkdup_#in~n#1| 1073741824) (<= 1 |ULTIMATE.start_mkdup_#in~n#1|) (= (select .cse28 1) 0) (<= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= |ULTIMATE.start_#Ultimate.meminit_#ptr#1.offset| 0) (<= |ULTIMATE.start_finddup_#in~_j#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= |ULTIMATE.start_main_~#i~2#1.offset| 0))) [2022-12-14 07:59:23,250 INFO L902 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: true [2022-12-14 07:59:23,250 INFO L899 garLoopResultBuilder]: For program point L62-1(line 62) no Hoare annotation was computed. [2022-12-14 07:59:23,250 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 07:59:23,250 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-12-14 07:59:23,250 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 07:59:23,250 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 42) no Hoare annotation was computed. [2022-12-14 07:59:23,250 INFO L902 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: true [2022-12-14 07:59:23,250 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 07:59:23,250 INFO L902 garLoopResultBuilder]: At program point L63-1(line 63) the Hoare annotation is: true [2022-12-14 07:59:23,251 INFO L902 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: true [2022-12-14 07:59:23,251 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2022-12-14 07:59:23,251 INFO L895 garLoopResultBuilder]: At program point L51(line 51) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (= (select |#length| 3) 12) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))) [2022-12-14 07:59:23,251 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-12-14 07:59:23,251 INFO L902 garLoopResultBuilder]: At program point finddup_returnLabel#1(lines 33 46) the Hoare annotation is: true [2022-12-14 07:59:23,251 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 15 17) the Hoare annotation is: true [2022-12-14 07:59:23,251 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 15 17) no Hoare annotation was computed. [2022-12-14 07:59:23,251 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 9 11) no Hoare annotation was computed. [2022-12-14 07:59:23,251 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 11) the Hoare annotation is: true [2022-12-14 07:59:23,253 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:23,255 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:59:23,263 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-14 07:59:23,264 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-14 07:59:23,264 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-14 07:59:23,267 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-14 07:59:23,267 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-14 07:59:23,268 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-14 07:59:23,270 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.translateStore(Term2Expression.java:347) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateStore(Term2Expression.java:347) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java: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) [2022-12-14 07:59:23,272 INFO L158 Benchmark]: Toolchain (without parser) took 46226.35ms. Allocated memory was 119.5MB in the beginning and 211.8MB in the end (delta: 92.3MB). Free memory was 79.5MB in the beginning and 144.0MB in the end (delta: -64.4MB). Peak memory consumption was 125.2MB. Max. memory is 16.1GB. [2022-12-14 07:59:23,272 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:59:23,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.77ms. Allocated memory is still 119.5MB. Free memory was 79.2MB in the beginning and 68.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 07:59:23,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.41ms. Allocated memory is still 119.5MB. Free memory was 68.4MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:59:23,273 INFO L158 Benchmark]: Boogie Preprocessor took 19.80ms. Allocated memory is still 119.5MB. Free memory was 66.4MB in the beginning and 64.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:59:23,273 INFO L158 Benchmark]: RCFGBuilder took 354.78ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 64.9MB in the beginning and 112.8MB in the end (delta: -48.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-12-14 07:59:23,273 INFO L158 Benchmark]: TraceAbstraction took 45626.13ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 112.2MB in the beginning and 144.0MB in the end (delta: -31.8MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. [2022-12-14 07:59:23,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.77ms. Allocated memory is still 119.5MB. Free memory was 79.2MB in the beginning and 68.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.41ms. Allocated memory is still 119.5MB. Free memory was 68.4MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.80ms. Allocated memory is still 119.5MB. Free memory was 66.4MB in the beginning and 64.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 354.78ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 64.9MB in the beginning and 112.8MB in the end (delta: -48.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * TraceAbstraction took 45626.13ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 112.2MB in the beginning and 144.0MB in the end (delta: -31.8MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * 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: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: 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, 38 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 45.6s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 496 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 491 mSDsluCounter, 692 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 524 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 987 IncrementalHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 168 mSDtfsCounter, 987 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 570 GetRequests, 344 SyntacticMatches, 32 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2478 ImplicationChecksByTransitivity, 27.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=10, InterpolantAutomatonStates: 119, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 70 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 27 PreInvPairs, 55 NumberOfFragments, 1591 HoareAnnotationTreeSize, 27 FomulaSimplifications, 192 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 15 FomulaSimplificationsInter, 16722 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 453 NumberOfCodeBlocks, 427 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 1275 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1071 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 346/456 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: 4.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 43, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 81, TOOLS_POST_TIME: 2.4s, TOOLS_POST_CALL_APPLICATIONS: 24, TOOLS_POST_CALL_TIME: 0.9s, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 121, TOOLS_QUANTIFIERELIM_TIME: 3.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 166, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 37, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 43, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 1.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 16, 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: 839, DAG_COMPRESSION_RETAINED_NODES: 135, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant [2022-12-14 07:59:23,279 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-14 07:59:23,279 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-14 07:59:23,279 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-14 07:59:23,280 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-14 07:59:23,281 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-14 07:59:23,281 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled Derived loop invariant: (((((((((((((((((((((((((((((((((((((i < n && unknown-#length-unknown[3] == 12) && 1 <= \old(n)) && j <= 2147483647) && 2 == unknown-#length-unknown[1]) && 1 <= unknown-#amountOfFields-unknown) && \valid[3] == 1) && 1 <= j) && 4 <= unknown-#product-unknown) && !((if n < 1073741824 && 0 <= n then 1 else 0) == 0)) && ((((((((((((((((((((((((((((((a <= 0 && 2 <= j) && 0 <= _i) && 0 <= i) && j <= 1073741824) && 4 <= unknown-#sizeOfFields-unknown) && _i <= 0) && 0 <= a) && 0 <= _i) && 0 <= a) && a <= 0) && a <= 0) && 0 <= x + 2147483648) && \old(n) <= 1073741824) && _i <= 0) && n <= 1073741824) && 0 <= a) && i <= 1073741824) && 0 <= i) && n <= 1073741824) && 0 <= j) && 0 <= calloc(n, sizeof(int))) && 0 <= _j) && 0 <= _i) && 0 <= #Ultimate.meminit_#ptr#1) && x <= 2147483647) && unknown-#sizeOfFields-unknown <= 4) && 0 <= _i) && calloc(n, sizeof(int)) <= 0) && 1 <= i) || (((((((((((((((((((((((((((((a <= 0 && 0 <= _i) && 0 <= i) && j <= 1073741824) && 4 <= unknown-#sizeOfFields-unknown) && _i <= 0) && 0 <= a) && 0 <= _i) && 0 <= a) && a <= 0) && a <= 0) && 0 <= x + 2147483648) && \old(n) <= 1073741824) && _i <= 0) && n <= 1073741824) && 0 <= a) && i <= 1073741824) && 0 <= i) && n <= 1073741824) && 0 <= i) && 0 <= j) && 0 <= calloc(n, sizeof(int))) && 0 <= _j) && 0 <= _i) && 0 <= #Ultimate.meminit_#ptr#1) && x <= 2147483647) && unknown-#sizeOfFields-unknown <= 4) && 0 <= _i) && i <= 0) && calloc(n, sizeof(int)) <= 0))) && 1 <= n) && \valid[1] == 1) && 1 <= n) && a <= 0) && \valid[0] == 0) && j == 0) && 0 <= _j) && \valid[2] == 1) && #NULL == 0) && 0 <= a) && 0 <= _j) && 0 <= j) && unknown-#product-unknown <= 4294967296) && _j <= 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#amountOfFields-unknown <= 1073741824) && 0 <= a) && 0 <= _j) && 10 == unknown-#length-unknown[2]) && \old(n) <= 1073741824) && 1 <= \old(n)) && unknown-#memory_int-unknown[1][1] == 0) && a <= 0) && #Ultimate.meminit_#ptr#1 <= 0) && _j <= 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && i == 0 - 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. [2022-12-14 07:59:23,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/verifythis/duplets.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh --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 ac76721ba91522692e2c3e4d1ea27df0200031dd012c5066cc7280e0ae6e2244 --- 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-2329fc7 [2022-12-14 07:59:24,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:59:24,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:59:24,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:59:24,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:59:24,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:59:24,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:59:24,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:59:24,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:59:24,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:59:24,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:59:24,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:59:24,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:59:24,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:59:24,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:59:24,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:59:24,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:59:24,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:59:24,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:59:24,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:59:24,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:59:24,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:59:24,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:59:24,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:59:24,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:59:24,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:59:24,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:59:24,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:59:24,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:59:24,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:59:24,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:59:24,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:59:24,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:59:24,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:59:24,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:59:24,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:59:24,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:59:24,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:59:24,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:59:24,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:59:24,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:59:24,864 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-12-14 07:59:24,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:59:24,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:59:24,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:59:24,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:59:24,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:59:24,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:59:24,892 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:59:24,892 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:59:24,892 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:59:24,892 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:59:24,893 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:59:24,893 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:59:24,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:59:24,894 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:59:24,894 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:59:24,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:59:24,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:59:24,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:59:24,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:59:24,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:59:24,894 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 07:59:24,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 07:59:24,894 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:59:24,895 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 07:59:24,895 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:59:24,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:59:24,895 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:59:24,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:59:24,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:59:24,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 07:59:24,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:59:24,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:59:24,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:59:24,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:59:24,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:59:24,896 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 07:59:24,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 07:59:24,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:59:24,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:59:24,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 07:59:24,896 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_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac76721ba91522692e2c3e4d1ea27df0200031dd012c5066cc7280e0ae6e2244 [2022-12-14 07:59:25,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:59:25,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:59:25,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:59:25,130 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:59:25,130 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:59:25,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/verifythis/duplets.c [2022-12-14 07:59:27,640 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:59:27,775 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:59:27,775 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/sv-benchmarks/c/verifythis/duplets.c [2022-12-14 07:59:27,780 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/data/2c21337ee/165018808ea4459f827b48a7dba410cc/FLAG5dcb655e0 [2022-12-14 07:59:28,192 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/data/2c21337ee/165018808ea4459f827b48a7dba410cc [2022-12-14 07:59:28,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:59:28,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:59:28,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:59:28,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:59:28,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:59:28,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730cd08b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28, skipping insertion in model container [2022-12-14 07:59:28,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:59:28,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:59:28,332 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_14082339-9f95-4195-bbd1-6aef4fb339b7/sv-benchmarks/c/verifythis/duplets.c[485,498] [2022-12-14 07:59:28,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:59:28,360 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:59:28,368 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_14082339-9f95-4195-bbd1-6aef4fb339b7/sv-benchmarks/c/verifythis/duplets.c[485,498] [2022-12-14 07:59:28,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:59:28,387 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:59:28,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28 WrapperNode [2022-12-14 07:59:28,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:59:28,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:59:28,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:59:28,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:59:28,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,415 INFO L138 Inliner]: procedures = 23, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2022-12-14 07:59:28,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:59:28,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:59:28,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:59:28,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:59:28,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,434 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:59:28,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:59:28,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:59:28,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:59:28,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28" (1/1) ... [2022-12-14 07:59:28,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:59:28,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:59:28,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:59:28,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:59:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:59:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 07:59:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 07:59:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 07:59:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:59:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:59:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 07:59:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:59:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:59:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:59:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:59:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:59:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 07:59:28,570 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:59:28,572 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:59:28,811 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:59:28,816 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:59:28,816 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 07:59:28,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:59:28 BoogieIcfgContainer [2022-12-14 07:59:28,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:59:28,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:59:28,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:59:28,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:59:28,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:59:28" (1/3) ... [2022-12-14 07:59:28,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de70715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:59:28, skipping insertion in model container [2022-12-14 07:59:28,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:28" (2/3) ... [2022-12-14 07:59:28,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de70715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:59:28, skipping insertion in model container [2022-12-14 07:59:28,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:59:28" (3/3) ... [2022-12-14 07:59:28,824 INFO L112 eAbstractionObserver]: Analyzing ICFG duplets.c [2022-12-14 07:59:28,838 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:59:28,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 07:59:28,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:59:28,880 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;@545c0e96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:59:28,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-14 07:59:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 40 states have internal predecessors, (49), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-14 07:59:28,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 07:59:28,890 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:28,890 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:28,891 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:59:28,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:28,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1875689356, now seen corresponding path program 1 times [2022-12-14 07:59:28,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:59:28,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640064923] [2022-12-14 07:59:28,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:28,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:59:28,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:59:28,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 07:59:28,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 07:59:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:29,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 07:59:29,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:29,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:59:29,032 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:59:29,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640064923] [2022-12-14 07:59:29,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640064923] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:59:29,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:59:29,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 07:59:29,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743872594] [2022-12-14 07:59:29,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:59:29,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 07:59:29,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:59:29,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 07:59:29,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:59:29,068 INFO L87 Difference]: Start difference. First operand has 52 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 40 states have internal predecessors, (49), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:29,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:29,089 INFO L93 Difference]: Finished difference Result 98 states and 139 transitions. [2022-12-14 07:59:29,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 07:59:29,091 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2022-12-14 07:59:29,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:29,098 INFO L225 Difference]: With dead ends: 98 [2022-12-14 07:59:29,098 INFO L226 Difference]: Without dead ends: 28 [2022-12-14 07:59:29,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:59:29,105 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:29,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:59:29,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-14 07:59:29,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-12-14 07:59:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:59:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2022-12-14 07:59:29,141 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 28 [2022-12-14 07:59:29,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:29,141 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2022-12-14 07:59:29,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:29,141 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-12-14 07:59:29,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 07:59:29,143 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:29,143 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:29,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:59:29,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:59:29,345 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:59:29,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:29,346 INFO L85 PathProgramCache]: Analyzing trace with hash -937953494, now seen corresponding path program 1 times [2022-12-14 07:59:29,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:59:29,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [264910157] [2022-12-14 07:59:29,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:29,347 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:59:29,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:59:29,349 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 07:59:29,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 07:59:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:29,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 07:59:29,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:29,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:59:29,467 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:59:29,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [264910157] [2022-12-14 07:59:29,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [264910157] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:59:29,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:59:29,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:59:29,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720989170] [2022-12-14 07:59:29,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:59:29,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:59:29,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:59:29,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:59:29,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:59:29,471 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:29,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:29,501 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2022-12-14 07:59:29,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:59:29,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2022-12-14 07:59:29,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:29,502 INFO L225 Difference]: With dead ends: 42 [2022-12-14 07:59:29,502 INFO L226 Difference]: Without dead ends: 41 [2022-12-14 07:59:29,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:59:29,503 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 11 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:29,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 51 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:59:29,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-12-14 07:59:29,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 31. [2022-12-14 07:59:29,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 25 states have internal predecessors, (27), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:59:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-12-14 07:59:29,508 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 29 [2022-12-14 07:59:29,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:29,509 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-12-14 07:59:29,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:29,509 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-12-14 07:59:29,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 07:59:29,511 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:29,511 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:29,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 07:59:29,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:59:29,713 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:59:29,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:29,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2142290781, now seen corresponding path program 1 times [2022-12-14 07:59:29,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:59:29,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109818655] [2022-12-14 07:59:29,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:29,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:59:29,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:59:29,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 07:59:29,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 07:59:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:29,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:59:29,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:29,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:59:29,967 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:59:29,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109818655] [2022-12-14 07:59:29,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109818655] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:59:29,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:59:29,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:59:29,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365468250] [2022-12-14 07:59:29,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:59:29,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:59:29,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:59:29,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:59:29,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:59:29,969 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:30,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:30,020 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2022-12-14 07:59:30,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:59:30,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2022-12-14 07:59:30,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:30,022 INFO L225 Difference]: With dead ends: 41 [2022-12-14 07:59:30,022 INFO L226 Difference]: Without dead ends: 40 [2022-12-14 07:59:30,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:59:30,023 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 8 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:30,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 72 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:59:30,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-14 07:59:30,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2022-12-14 07:59:30,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 33 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:59:30,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-12-14 07:59:30,030 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 33 [2022-12-14 07:59:30,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:30,030 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-12-14 07:59:30,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:30,030 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-12-14 07:59:30,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 07:59:30,031 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:30,031 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:30,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 07:59:30,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:59:30,234 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:59:30,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:30,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1988044056, now seen corresponding path program 1 times [2022-12-14 07:59:30,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:59:30,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471271227] [2022-12-14 07:59:30,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:30,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:59:30,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:59:30,241 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 07:59:30,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-14 07:59:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:30,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 07:59:30,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:30,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:59:30,448 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:59:30,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471271227] [2022-12-14 07:59:30,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1471271227] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:59:30,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:59:30,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:59:30,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80964381] [2022-12-14 07:59:30,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:59:30,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:59:30,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:59:30,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:59:30,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:59:30,451 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:30,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:30,514 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2022-12-14 07:59:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:59:30,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2022-12-14 07:59:30,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:30,516 INFO L225 Difference]: With dead ends: 53 [2022-12-14 07:59:30,516 INFO L226 Difference]: Without dead ends: 52 [2022-12-14 07:59:30,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 07:59:30,517 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 27 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:30,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 97 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:59:30,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-14 07:59:30,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2022-12-14 07:59:30,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 38 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:59:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2022-12-14 07:59:30,524 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 34 [2022-12-14 07:59:30,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:30,524 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2022-12-14 07:59:30,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:30,525 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-12-14 07:59:30,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 07:59:30,526 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:30,526 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:30,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-14 07:59:30,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:59:30,728 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:59:30,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:30,729 INFO L85 PathProgramCache]: Analyzing trace with hash 2065655223, now seen corresponding path program 1 times [2022-12-14 07:59:30,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:59:30,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874904270] [2022-12-14 07:59:30,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:30,732 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:59:30,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:59:30,736 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 07:59:30,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 07:59:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:30,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 07:59:30,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:30,973 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:30,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:31,059 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:31,059 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:59:31,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874904270] [2022-12-14 07:59:31,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874904270] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:59:31,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [15647890] [2022-12-14 07:59:31,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:31,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 07:59:31,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 07:59:31,085 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 07:59:31,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-12-14 07:59:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:31,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 07:59:31,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:31,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:31,518 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:31,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [15647890] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 07:59:31,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:59:31,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4, 8] total 17 [2022-12-14 07:59:31,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045987198] [2022-12-14 07:59:31,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:59:31,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:59:31,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:59:31,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:59:31,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2022-12-14 07:59:31,520 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:31,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:31,659 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2022-12-14 07:59:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:59:31,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2022-12-14 07:59:31,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:31,661 INFO L225 Difference]: With dead ends: 67 [2022-12-14 07:59:31,661 INFO L226 Difference]: Without dead ends: 49 [2022-12-14 07:59:31,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2022-12-14 07:59:31,662 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 12 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:31,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 90 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:59:31,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-14 07:59:31,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2022-12-14 07:59:31,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 40 states have (on average 1.175) internal successors, (47), 42 states have internal predecessors, (47), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:59:31,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2022-12-14 07:59:31,668 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 36 [2022-12-14 07:59:31,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:31,669 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2022-12-14 07:59:31,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:31,669 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2022-12-14 07:59:31,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 07:59:31,670 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:31,670 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:31,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-14 07:59:31,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-12-14 07:59:32,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 07:59:32,072 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:59:32,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:32,074 INFO L85 PathProgramCache]: Analyzing trace with hash 279804906, now seen corresponding path program 1 times [2022-12-14 07:59:32,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:59:32,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082566202] [2022-12-14 07:59:32,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:32,075 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:59:32,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:59:32,076 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 07:59:32,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-14 07:59:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:32,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 07:59:32,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:32,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:32,330 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:59:32,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082566202] [2022-12-14 07:59:32,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082566202] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:59:32,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [948040173] [2022-12-14 07:59:32,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:32,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 07:59:32,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 07:59:32,332 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 07:59:32,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2022-12-14 07:59:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:32,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 07:59:32,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:32,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:32,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [948040173] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:59:32,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866575467] [2022-12-14 07:59:32,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:32,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:59:32,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:59:32,486 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:59:32,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 07:59:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:32,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 07:59:32,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:32,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:32,618 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:59:32,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866575467] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:59:32,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 07:59:32,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 11 [2022-12-14 07:59:32,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023031727] [2022-12-14 07:59:32,619 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 07:59:32,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 07:59:32,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:59:32,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 07:59:32,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-12-14 07:59:32,621 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:33,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:33,009 INFO L93 Difference]: Finished difference Result 80 states and 92 transitions. [2022-12-14 07:59:33,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 07:59:33,010 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2022-12-14 07:59:33,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:33,012 INFO L225 Difference]: With dead ends: 80 [2022-12-14 07:59:33,012 INFO L226 Difference]: Without dead ends: 79 [2022-12-14 07:59:33,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=436, Unknown=0, NotChecked=0, Total=600 [2022-12-14 07:59:33,013 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 72 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:33,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 261 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:59:33,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-12-14 07:59:33,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 43. [2022-12-14 07:59:33,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 37 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:59:33,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2022-12-14 07:59:33,020 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 39 [2022-12-14 07:59:33,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:33,021 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2022-12-14 07:59:33,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-12-14 07:59:33,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 07:59:33,022 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:33,022 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-12-14 07:59:33,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 07:59:33,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-14 07:59:33,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2022-12-14 07:59:33,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 07:59:33,625 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:59:33,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:33,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1125339145, now seen corresponding path program 1 times [2022-12-14 07:59:33,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:59:33,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525936961] [2022-12-14 07:59:33,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:33,628 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:59:33,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:59:33,631 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 07:59:33,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-12-14 07:59:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:33,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 07:59:33,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:59:33,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:59:33,794 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:59:33,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525936961] [2022-12-14 07:59:33,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525936961] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:59:33,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1205249640] [2022-12-14 07:59:33,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:33,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 07:59:33,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 07:59:33,796 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 07:59:33,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2022-12-14 07:59:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:33,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 07:59:33,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:33,898 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:59:33,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:59:33,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1205249640] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:59:33,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143692572] [2022-12-14 07:59:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:33,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:59:33,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:59:33,947 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:59:33,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-14 07:59:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:34,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 07:59:34,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:59:34,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:59:34,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143692572] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:59:34,063 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 07:59:34,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 7 [2022-12-14 07:59:34,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571899965] [2022-12-14 07:59:34,063 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 07:59:34,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:59:34,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:59:34,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:59:34,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:59:34,064 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:34,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:34,167 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2022-12-14 07:59:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 07:59:34,168 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2022-12-14 07:59:34,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:34,169 INFO L225 Difference]: With dead ends: 60 [2022-12-14 07:59:34,169 INFO L226 Difference]: Without dead ends: 59 [2022-12-14 07:59:34,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-12-14 07:59:34,170 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 23 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:34,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 161 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:59:34,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-14 07:59:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 42. [2022-12-14 07:59:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 36 states have internal predecessors, (40), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:59:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2022-12-14 07:59:34,175 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 41 [2022-12-14 07:59:34,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:34,175 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2022-12-14 07:59:34,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-12-14 07:59:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 07:59:34,176 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:34,177 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-12-14 07:59:34,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-12-14 07:59:34,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2022-12-14 07:59:34,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-14 07:59:34,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:59:34,779 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 07:59:34,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:34,780 INFO L85 PathProgramCache]: Analyzing trace with hash -377056068, now seen corresponding path program 1 times [2022-12-14 07:59:34,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:59:34,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405268335] [2022-12-14 07:59:34,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:34,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 07:59:34,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:59:34,783 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 07:59:34,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-12-14 07:59:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:34,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:59:34,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:59:34,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:59:34,999 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:59:35,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405268335] [2022-12-14 07:59:35,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405268335] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:59:35,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1745186874] [2022-12-14 07:59:35,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:35,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 07:59:35,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 07:59:35,001 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 07:59:35,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2022-12-14 07:59:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:35,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:59:35,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:59:35,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:35,165 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:59:35,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1745186874] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:59:35,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102319586] [2022-12-14 07:59:35,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:35,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:59:35,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:59:35,166 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:59:35,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-14 07:59:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:35,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:59:35,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:59:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:59:35,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:59:35,313 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:59:35,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102319586] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:59:35,313 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 07:59:35,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2022-12-14 07:59:35,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574771678] [2022-12-14 07:59:35,314 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 07:59:35,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 07:59:35,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:59:35,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 07:59:35,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 07:59:35,315 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:35,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:35,466 INFO L93 Difference]: Finished difference Result 73 states and 85 transitions. [2022-12-14 07:59:35,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 07:59:35,467 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2022-12-14 07:59:35,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:35,467 INFO L225 Difference]: With dead ends: 73 [2022-12-14 07:59:35,467 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 07:59:35,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-12-14 07:59:35,469 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 38 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:35,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 126 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:59:35,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 07:59:35,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 07:59:35,470 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) [2022-12-14 07:59:35,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 07:59:35,470 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2022-12-14 07:59:35,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:35,470 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 07:59:35,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:35,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 07:59:35,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 07:59:35,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-14 07:59:35,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-14 07:59:35,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-14 07:59:35,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-14 07:59:35,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-14 07:59:35,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-14 07:59:35,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-12-14 07:59:35,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-12-14 07:59:35,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2022-12-14 07:59:36,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 07:59:36,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 07:59:36,109 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 07:59:36,109 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2022-12-14 07:59:36,109 INFO L902 garLoopResultBuilder]: At program point L60-2(line 60) the Hoare annotation is: true [2022-12-14 07:59:36,109 INFO L899 garLoopResultBuilder]: For program point L60-3(line 60) no Hoare annotation was computed. [2022-12-14 07:59:36,109 INFO L902 garLoopResultBuilder]: At program point L23(line 23) the Hoare annotation is: true [2022-12-14 07:59:36,109 INFO L902 garLoopResultBuilder]: At program point L23-1(line 23) the Hoare annotation is: true [2022-12-14 07:59:36,109 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 31) no Hoare annotation was computed. [2022-12-14 07:59:36,110 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 48 66) the Hoare annotation is: true [2022-12-14 07:59:36,110 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 44) no Hoare annotation was computed. [2022-12-14 07:59:36,110 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-12-14 07:59:36,110 INFO L899 garLoopResultBuilder]: For program point L36-4(line 36) no Hoare annotation was computed. [2022-12-14 07:59:36,110 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 07:59:36,110 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 07:59:36,110 INFO L902 garLoopResultBuilder]: At program point L36-5(lines 36 44) the Hoare annotation is: true [2022-12-14 07:59:36,110 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2022-12-14 07:59:36,110 INFO L899 garLoopResultBuilder]: For program point L36-6(lines 36 44) no Hoare annotation was computed. [2022-12-14 07:59:36,110 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 07:59:36,110 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-12-14 07:59:36,110 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-14 07:59:36,110 INFO L902 garLoopResultBuilder]: At program point L61-2(line 61) the Hoare annotation is: true [2022-12-14 07:59:36,110 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2022-12-14 07:59:36,110 INFO L902 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: true [2022-12-14 07:59:36,110 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-12-14 07:59:36,111 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2022-12-14 07:59:36,111 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 07:59:36,111 INFO L899 garLoopResultBuilder]: For program point L37-4(lines 37 43) no Hoare annotation was computed. [2022-12-14 07:59:36,111 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 07:59:36,111 INFO L899 garLoopResultBuilder]: For program point L37-5(line 37) no Hoare annotation was computed. [2022-12-14 07:59:36,111 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2022-12-14 07:59:36,111 INFO L895 garLoopResultBuilder]: At program point L37-7(lines 37 43) the Hoare annotation is: (bvsle (bvadd (_ bv1 33) ((_ sign_extend 1) |ULTIMATE.start_finddup_~i~1#1|)) (_ bv2147483647 33)) [2022-12-14 07:59:36,111 INFO L902 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: true [2022-12-14 07:59:36,111 INFO L899 garLoopResultBuilder]: For program point L62-1(line 62) no Hoare annotation was computed. [2022-12-14 07:59:36,111 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 07:59:36,111 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-12-14 07:59:36,111 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 07:59:36,111 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 42) no Hoare annotation was computed. [2022-12-14 07:59:36,111 INFO L902 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: true [2022-12-14 07:59:36,112 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 07:59:36,112 INFO L899 garLoopResultBuilder]: For program point L63-1(line 63) no Hoare annotation was computed. [2022-12-14 07:59:36,112 INFO L902 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: true [2022-12-14 07:59:36,112 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2022-12-14 07:59:36,112 INFO L902 garLoopResultBuilder]: At program point L51(line 51) the Hoare annotation is: true [2022-12-14 07:59:36,112 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-12-14 07:59:36,112 INFO L902 garLoopResultBuilder]: At program point finddup_returnLabel#1(lines 33 46) the Hoare annotation is: true [2022-12-14 07:59:36,112 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2022-12-14 07:59:36,112 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 15 17) no Hoare annotation was computed. [2022-12-14 07:59:36,112 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 15 17) the Hoare annotation is: true [2022-12-14 07:59:36,112 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 15 17) no Hoare annotation was computed. [2022-12-14 07:59:36,113 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-12-14 07:59:36,113 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 9 11) no Hoare annotation was computed. [2022-12-14 07:59:36,113 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 11) the Hoare annotation is: true [2022-12-14 07:59:36,113 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 9 11) no Hoare annotation was computed. [2022-12-14 07:59:36,116 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:36,118 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:59:36,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:59:36 BoogieIcfgContainer [2022-12-14 07:59:36,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:59:36,127 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:59:36,127 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:59:36,128 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:59:36,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:59:28" (3/4) ... [2022-12-14 07:59:36,131 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 07:59:36,136 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 07:59:36,136 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 07:59:36,139 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-14 07:59:36,140 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 07:59:36,140 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 07:59:36,140 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 07:59:36,176 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 07:59:36,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:59:36,177 INFO L158 Benchmark]: Toolchain (without parser) took 7981.34ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 37.1MB in the beginning and 56.9MB in the end (delta: -19.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-14 07:59:36,177 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 50.3MB. Free memory was 29.1MB in the beginning and 29.1MB in the end (delta: 54.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:59:36,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.50ms. Allocated memory is still 65.0MB. Free memory was 36.9MB in the beginning and 41.7MB in the end (delta: -4.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-12-14 07:59:36,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.42ms. Allocated memory is still 65.0MB. Free memory was 41.5MB in the beginning and 39.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:59:36,178 INFO L158 Benchmark]: Boogie Preprocessor took 20.96ms. Allocated memory is still 65.0MB. Free memory was 39.6MB in the beginning and 37.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:59:36,178 INFO L158 Benchmark]: RCFGBuilder took 380.05ms. Allocated memory is still 65.0MB. Free memory was 37.9MB in the beginning and 36.8MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 07:59:36,179 INFO L158 Benchmark]: TraceAbstraction took 7307.79ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 36.2MB in the beginning and 28.4MB in the end (delta: 7.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-12-14 07:59:36,179 INFO L158 Benchmark]: Witness Printer took 49.02ms. Allocated memory is still 79.7MB. Free memory was 28.4MB in the beginning and 56.9MB in the end (delta: -28.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-12-14 07:59:36,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 50.3MB. Free memory was 29.1MB in the beginning and 29.1MB in the end (delta: 54.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.50ms. Allocated memory is still 65.0MB. Free memory was 36.9MB in the beginning and 41.7MB in the end (delta: -4.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.42ms. Allocated memory is still 65.0MB. Free memory was 41.5MB in the beginning and 39.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.96ms. Allocated memory is still 65.0MB. Free memory was 39.6MB in the beginning and 37.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.05ms. Allocated memory is still 65.0MB. Free memory was 37.9MB in the beginning and 36.8MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7307.79ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 36.2MB in the beginning and 28.4MB in the end (delta: 7.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Witness Printer took 49.02ms. Allocated memory is still 79.7MB. Free memory was 28.4MB in the beginning and 56.9MB in the end (delta: -28.6MB). Peak memory consumption was 5.6MB. 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: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: 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, 52 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 918 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 675 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 365 IncrementalHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 243 mSDtfsCounter, 365 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1018 GetRequests, 947 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 73 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 30 PreInvPairs, 54 NumberOfFragments, 20 HoareAnnotationTreeSize, 30 FomulaSimplifications, 226 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 571 NumberOfCodeBlocks, 571 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 992 ConstructedInterpolants, 0 QuantifiedInterpolants, 2391 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1755 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 26 InterpolantComputations, 5 PerfectInterpolantSequences, 641/744 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 07:59:36,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14082339-9f95-4195-bbd1-6aef4fb339b7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE