./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f559306dde9e0f81ad1b6d04a0ff16acd34bbdfad43636c912840e6a58039f5 --- 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-4e7fbc6 [2022-11-23 13:43:01,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:43:01,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:43:01,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:43:01,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:43:01,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:43:01,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:43:01,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:43:01,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:43:01,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:43:01,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:43:01,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:43:01,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:43:01,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:43:01,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:43:01,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:43:01,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:43:01,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:43:01,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:43:01,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:43:01,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:43:01,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:43:01,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:43:01,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:43:01,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:43:01,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:43:01,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:43:01,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:43:01,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:43:01,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:43:01,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:43:01,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:43:01,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:43:01,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:43:01,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:43:01,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:43:01,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:43:01,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:43:01,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:43:01,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:43:01,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:43:01,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 13:43:01,990 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:43:01,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:43:01,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:43:01,991 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:43:01,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:43:01,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:43:01,997 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:43:01,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:43:01,997 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:43:01,998 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:43:01,999 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:43:01,999 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:43:01,999 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:43:01,999 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:43:01,999 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:43:02,000 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:43:02,001 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:43:02,001 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:43:02,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:43:02,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 13:43:02,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:43:02,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:43:02,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:43:02,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:43:02,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:43:02,003 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 13:43:02,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:43:02,004 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:43:02,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:43:02,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:43:02,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:43:02,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:43:02,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:43:02,006 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:43:02,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:43:02,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:43:02,006 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:43:02,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:43:02,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:43:02,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:43:02,007 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_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f559306dde9e0f81ad1b6d04a0ff16acd34bbdfad43636c912840e6a58039f5 [2022-11-23 13:43:02,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:43:02,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:43:02,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:43:02,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:43:02,363 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:43:02,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_good.i [2022-11-23 13:43:05,404 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:43:05,818 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:43:05,819 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_good.i [2022-11-23 13:43:05,849 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/data/6178da062/a0901830011542699be2feae34124a6b/FLAG702cad1a7 [2022-11-23 13:43:05,866 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/data/6178da062/a0901830011542699be2feae34124a6b [2022-11-23 13:43:05,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:43:05,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:43:05,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:43:05,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:43:05,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:43:05,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:05" (1/1) ... [2022-11-23 13:43:05,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cb562c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:05, skipping insertion in model container [2022-11-23 13:43:05,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:05" (1/1) ... [2022-11-23 13:43:05,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:43:05,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:43:06,422 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 13:43:06,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:43:06,950 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:43:06,970 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 13:43:07,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:43:07,148 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:43:07,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07 WrapperNode [2022-11-23 13:43:07,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:43:07,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:43:07,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:43:07,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:43:07,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07" (1/1) ... [2022-11-23 13:43:07,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07" (1/1) ... [2022-11-23 13:43:07,250 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2022-11-23 13:43:07,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:43:07,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:43:07,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:43:07,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:43:07,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07" (1/1) ... [2022-11-23 13:43:07,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07" (1/1) ... [2022-11-23 13:43:07,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07" (1/1) ... [2022-11-23 13:43:07,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07" (1/1) ... [2022-11-23 13:43:07,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07" (1/1) ... [2022-11-23 13:43:07,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07" (1/1) ... [2022-11-23 13:43:07,299 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07" (1/1) ... [2022-11-23 13:43:07,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07" (1/1) ... [2022-11-23 13:43:07,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:43:07,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:43:07,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:43:07,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:43:07,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07" (1/1) ... [2022-11-23 13:43:07,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:43:07,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:43:07,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:43:07,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:43:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 13:43:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 13:43:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 13:43:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 13:43:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 13:43:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:43:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 13:43:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:43:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:43:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:43:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:43:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 13:43:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:43:07,596 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:43:07,598 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:43:07,888 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:43:07,922 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:43:07,922 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-23 13:43:07,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:07 BoogieIcfgContainer [2022-11-23 13:43:07,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:43:07,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:43:07,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:43:07,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:43:07,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:43:05" (1/3) ... [2022-11-23 13:43:07,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad9ee78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:43:07, skipping insertion in model container [2022-11-23 13:43:07,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:07" (2/3) ... [2022-11-23 13:43:07,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad9ee78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:43:07, skipping insertion in model container [2022-11-23 13:43:07,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:07" (3/3) ... [2022-11-23 13:43:07,934 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_02_good.i [2022-11-23 13:43:07,954 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:43:07,954 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-23 13:43:08,004 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:43:08,011 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;@9073afc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:43:08,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-23 13:43:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 31 states have (on average 1.6451612903225807) internal successors, (51), 49 states have internal predecessors, (51), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-23 13:43:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 13:43:08,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:08,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:08,026 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 13:43:08,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:08,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1115333066, now seen corresponding path program 1 times [2022-11-23 13:43:08,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:08,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401215370] [2022-11-23 13:43:08,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:08,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:08,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:43:08,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:08,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401215370] [2022-11-23 13:43:08,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401215370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:08,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:08,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:43:08,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520628449] [2022-11-23 13:43:08,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:08,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 13:43:08,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:08,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 13:43:08,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:43:08,339 INFO L87 Difference]: Start difference. First operand has 54 states, 31 states have (on average 1.6451612903225807) internal successors, (51), 49 states have internal predecessors, (51), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:08,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:08,379 INFO L93 Difference]: Finished difference Result 99 states and 135 transitions. [2022-11-23 13:43:08,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 13:43:08,382 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-23 13:43:08,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:08,391 INFO L225 Difference]: With dead ends: 99 [2022-11-23 13:43:08,391 INFO L226 Difference]: Without dead ends: 47 [2022-11-23 13:43:08,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:43:08,397 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:08,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:43:08,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-23 13:43:08,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-23 13:43:08,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 43 states have internal predecessors, (43), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:43:08,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions. [2022-11-23 13:43:08,440 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 59 transitions. Word has length 10 [2022-11-23 13:43:08,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:08,441 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 59 transitions. [2022-11-23 13:43:08,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2022-11-23 13:43:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 13:43:08,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:08,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:08,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:43:08,444 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 13:43:08,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:08,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1209573681, now seen corresponding path program 1 times [2022-11-23 13:43:08,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:08,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029017972] [2022-11-23 13:43:08,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:08,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:43:08,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:08,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029017972] [2022-11-23 13:43:08,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029017972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:08,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:08,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:43:08,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459957432] [2022-11-23 13:43:08,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:08,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:43:08,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:08,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:43:08,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:43:08,633 INFO L87 Difference]: Start difference. First operand 47 states and 59 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:08,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:08,696 INFO L93 Difference]: Finished difference Result 74 states and 93 transitions. [2022-11-23 13:43:08,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:43:08,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-23 13:43:08,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:08,702 INFO L225 Difference]: With dead ends: 74 [2022-11-23 13:43:08,705 INFO L226 Difference]: Without dead ends: 73 [2022-11-23 13:43:08,706 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 [2022-11-23 13:43:08,708 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 30 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 123 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 [2022-11-23 13:43:08,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 123 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:43:08,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-23 13:43:08,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 46. [2022-11-23 13:43:08,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 42 states have internal predecessors, (42), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:43:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2022-11-23 13:43:08,726 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 12 [2022-11-23 13:43:08,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:08,727 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2022-11-23 13:43:08,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:08,727 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-11-23 13:43:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 13:43:08,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:08,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:08,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:43:08,728 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 13:43:08,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:08,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1157921479, now seen corresponding path program 1 times [2022-11-23 13:43:08,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:08,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863258151] [2022-11-23 13:43:08,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:08,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:43:08,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:08,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863258151] [2022-11-23 13:43:08,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863258151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:08,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:08,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:43:08,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027143879] [2022-11-23 13:43:08,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:08,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:43:08,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:08,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:43:08,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:43:08,839 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:08,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:08,879 INFO L93 Difference]: Finished difference Result 109 states and 136 transitions. [2022-11-23 13:43:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:43:08,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-23 13:43:08,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:08,881 INFO L225 Difference]: With dead ends: 109 [2022-11-23 13:43:08,881 INFO L226 Difference]: Without dead ends: 76 [2022-11-23 13:43:08,882 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 [2022-11-23 13:43:08,883 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 32 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:08,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 94 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:43:08,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-23 13:43:08,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 49. [2022-11-23 13:43:08,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.393939393939394) internal successors, (46), 44 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:43:08,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 62 transitions. [2022-11-23 13:43:08,891 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 62 transitions. Word has length 13 [2022-11-23 13:43:08,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:08,892 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 62 transitions. [2022-11-23 13:43:08,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:08,892 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2022-11-23 13:43:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 13:43:08,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:08,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:08,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:43:08,905 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 13:43:08,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:08,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1850132637, now seen corresponding path program 1 times [2022-11-23 13:43:08,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:08,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368385339] [2022-11-23 13:43:08,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:08,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:43:09,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:09,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368385339] [2022-11-23 13:43:09,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368385339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:09,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:09,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:43:09,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250157914] [2022-11-23 13:43:09,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:09,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:43:09,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:09,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:43:09,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:43:09,023 INFO L87 Difference]: Start difference. First operand 49 states and 62 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:09,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:09,059 INFO L93 Difference]: Finished difference Result 63 states and 77 transitions. [2022-11-23 13:43:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:43:09,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-23 13:43:09,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:09,061 INFO L225 Difference]: With dead ends: 63 [2022-11-23 13:43:09,061 INFO L226 Difference]: Without dead ends: 62 [2022-11-23 13:43:09,062 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 [2022-11-23 13:43:09,063 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 17 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:09,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 99 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:43:09,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-23 13:43:09,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 48. [2022-11-23 13:43:09,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 43 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:43:09,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2022-11-23 13:43:09,077 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 17 [2022-11-23 13:43:09,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:09,077 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2022-11-23 13:43:09,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:09,078 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2022-11-23 13:43:09,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 13:43:09,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:09,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:09,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:43:09,080 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 13:43:09,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:09,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1519536790, now seen corresponding path program 1 times [2022-11-23 13:43:09,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:09,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855382121] [2022-11-23 13:43:09,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:09,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:09,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:43:09,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:09,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855382121] [2022-11-23 13:43:09,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855382121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:09,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:09,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:43:09,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865938607] [2022-11-23 13:43:09,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:09,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:43:09,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:09,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:43:09,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:43:09,144 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:09,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:09,176 INFO L93 Difference]: Finished difference Result 84 states and 100 transitions. [2022-11-23 13:43:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:43:09,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-23 13:43:09,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:09,178 INFO L225 Difference]: With dead ends: 84 [2022-11-23 13:43:09,178 INFO L226 Difference]: Without dead ends: 64 [2022-11-23 13:43:09,179 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 [2022-11-23 13:43:09,180 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 18 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:09,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 87 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:43:09,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-23 13:43:09,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 50. [2022-11-23 13:43:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 44 states have internal predecessors, (48), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:43:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2022-11-23 13:43:09,191 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 18 [2022-11-23 13:43:09,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:09,192 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2022-11-23 13:43:09,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-11-23 13:43:09,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 13:43:09,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:09,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:09,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 13:43:09,195 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 13:43:09,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:09,196 INFO L85 PathProgramCache]: Analyzing trace with hash 234619184, now seen corresponding path program 1 times [2022-11-23 13:43:09,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:09,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337889874] [2022-11-23 13:43:09,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:09,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:43:09,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:09,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337889874] [2022-11-23 13:43:09,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337889874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:09,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:09,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:43:09,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193089131] [2022-11-23 13:43:09,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:09,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:43:09,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:09,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:43:09,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:43:09,283 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:09,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:09,315 INFO L93 Difference]: Finished difference Result 56 states and 69 transitions. [2022-11-23 13:43:09,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:43:09,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-23 13:43:09,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:09,319 INFO L225 Difference]: With dead ends: 56 [2022-11-23 13:43:09,320 INFO L226 Difference]: Without dead ends: 48 [2022-11-23 13:43:09,320 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 [2022-11-23 13:43:09,328 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 7 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:09,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 81 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:43:09,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-23 13:43:09,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-23 13:43:09,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 36 states have (on average 1.25) internal successors, (45), 41 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:43:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2022-11-23 13:43:09,342 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 19 [2022-11-23 13:43:09,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:09,343 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2022-11-23 13:43:09,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2022-11-23 13:43:09,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-23 13:43:09,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:09,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:09,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 13:43:09,346 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 13:43:09,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:09,346 INFO L85 PathProgramCache]: Analyzing trace with hash 2139702477, now seen corresponding path program 1 times [2022-11-23 13:43:09,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:09,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337205966] [2022-11-23 13:43:09,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:09,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:43:09,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:09,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337205966] [2022-11-23 13:43:09,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337205966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:09,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:09,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:43:09,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152636998] [2022-11-23 13:43:09,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:09,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:43:09,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:09,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:43:09,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:43:09,466 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:43:09,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:09,510 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2022-11-23 13:43:09,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:43:09,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-23 13:43:09,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:09,511 INFO L225 Difference]: With dead ends: 48 [2022-11-23 13:43:09,511 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 13:43:09,512 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 [2022-11-23 13:43:09,512 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:09,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 86 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:43:09,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 13:43:09,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 13:43:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:43:09,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 13:43:09,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2022-11-23 13:43:09,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:09,515 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 13:43:09,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:43:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 13:43:09,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 13:43:09,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-23 13:43:09,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-23 13:43:09,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-23 13:43:09,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-23 13:43:09,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-23 13:43:09,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-23 13:43:09,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-23 13:43:09,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-23 13:43:09,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 13:43:09,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 13:43:09,560 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 13:43:09,561 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 13:43:09,561 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 13:43:09,561 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 13:43:09,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-11-23 13:43:09,561 INFO L902 garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: true [2022-11-23 13:43:09,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2022-11-23 13:43:09,562 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1583) no Hoare annotation was computed. [2022-11-23 13:43:09,562 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1566 1584) no Hoare annotation was computed. [2022-11-23 13:43:09,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-23 13:43:09,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 13:43:09,563 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2022-11-23 13:43:09,563 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|) [2022-11-23 13:43:09,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-23 13:43:09,563 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1603) no Hoare annotation was computed. [2022-11-23 13:43:09,563 INFO L899 garLoopResultBuilder]: For program point L1590-2(lines 1587 1619) no Hoare annotation was computed. [2022-11-23 13:43:09,563 INFO L895 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) [2022-11-23 13:43:09,564 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1582) no Hoare annotation was computed. [2022-11-23 13:43:09,564 INFO L899 garLoopResultBuilder]: For program point L1624(lines 1624 1631) no Hoare annotation was computed. [2022-11-23 13:43:09,564 INFO L899 garLoopResultBuilder]: For program point L1624-1(lines 1621 1640) no Hoare annotation was computed. [2022-11-23 13:43:09,564 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1657) no Hoare annotation was computed. [2022-11-23 13:43:09,564 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1616) no Hoare annotation was computed. [2022-11-23 13:43:09,564 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822) [2022-11-23 13:43:09,565 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1594 1601) no Hoare annotation was computed. [2022-11-23 13:43:09,565 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-23 13:43:09,565 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2022-11-23 13:43:09,565 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2022-11-23 13:43:09,566 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2022-11-23 13:43:09,567 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: false [2022-11-23 13:43:09,567 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed. [2022-11-23 13:43:09,567 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1585) no Hoare annotation was computed. [2022-11-23 13:43:09,568 INFO L899 garLoopResultBuilder]: For program point L1610(line 1610) no Hoare annotation was computed. [2022-11-23 13:43:09,569 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-23 13:43:09,569 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2022-11-23 13:43:09,569 INFO L902 garLoopResultBuilder]: At program point L1668(line 1668) the Hoare annotation is: true [2022-11-23 13:43:09,569 INFO L899 garLoopResultBuilder]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2022-11-23 13:43:09,569 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 13:43:09,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2022-11-23 13:43:09,571 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1601) no Hoare annotation was computed. [2022-11-23 13:43:09,575 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1619) no Hoare annotation was computed. [2022-11-23 13:43:09,575 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822)) [2022-11-23 13:43:09,575 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-23 13:43:09,576 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2022-11-23 13:43:09,576 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-11-23 13:43:09,576 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) [2022-11-23 13:43:09,576 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-11-23 13:43:09,576 INFO L899 garLoopResultBuilder]: For program point L1653(line 1653) no Hoare annotation was computed. [2022-11-23 13:43:09,576 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1640) no Hoare annotation was computed. [2022-11-23 13:43:09,577 INFO L899 garLoopResultBuilder]: For program point L1653-1(line 1653) no Hoare annotation was computed. [2022-11-23 13:43:09,577 INFO L899 garLoopResultBuilder]: For program point L1645-2(lines 1642 1657) no Hoare annotation was computed. [2022-11-23 13:43:09,578 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2022-11-23 13:43:09,578 INFO L902 garLoopResultBuilder]: At program point L1670(line 1670) the Hoare annotation is: true [2022-11-23 13:43:09,578 INFO L895 garLoopResultBuilder]: At program point L1637(line 1637) the Hoare annotation is: (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-23 13:43:09,578 INFO L902 garLoopResultBuilder]: At program point L1670-1(line 1670) the Hoare annotation is: true [2022-11-23 13:43:09,582 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:09,585 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 13:43:09,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:43:09 BoogieIcfgContainer [2022-11-23 13:43:09,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 13:43:09,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 13:43:09,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 13:43:09,594 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 13:43:09,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:07" (3/4) ... [2022-11-23 13:43:09,598 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 13:43:09,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 13:43:09,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 13:43:09,611 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-23 13:43:09,612 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 13:43:09,612 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 13:43:09,612 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:43:09,613 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:43:09,671 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 13:43:09,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 13:43:09,672 INFO L158 Benchmark]: Toolchain (without parser) took 3801.83ms. Allocated memory is still 180.4MB. Free memory was 132.3MB in the beginning and 58.0MB in the end (delta: 74.3MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. [2022-11-23 13:43:09,672 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:43:09,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1274.72ms. Allocated memory is still 180.4MB. Free memory was 131.8MB in the beginning and 115.9MB in the end (delta: 16.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2022-11-23 13:43:09,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.96ms. Allocated memory is still 180.4MB. Free memory was 115.9MB in the beginning and 112.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:43:09,673 INFO L158 Benchmark]: Boogie Preprocessor took 44.80ms. Allocated memory is still 180.4MB. Free memory was 112.6MB in the beginning and 111.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:43:09,674 INFO L158 Benchmark]: RCFGBuilder took 621.75ms. Allocated memory is still 180.4MB. Free memory was 110.5MB in the beginning and 92.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 13:43:09,674 INFO L158 Benchmark]: TraceAbstraction took 1665.97ms. Allocated memory is still 180.4MB. Free memory was 91.7MB in the beginning and 62.2MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-23 13:43:09,675 INFO L158 Benchmark]: Witness Printer took 77.41ms. Allocated memory is still 180.4MB. Free memory was 62.2MB in the beginning and 58.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:43:09,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1274.72ms. Allocated memory is still 180.4MB. Free memory was 131.8MB in the beginning and 115.9MB in the end (delta: 16.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.96ms. Allocated memory is still 180.4MB. Free memory was 115.9MB in the beginning and 112.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.80ms. Allocated memory is still 180.4MB. Free memory was 112.6MB in the beginning and 111.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 621.75ms. Allocated memory is still 180.4MB. Free memory was 110.5MB in the beginning and 92.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1665.97ms. Allocated memory is still 180.4MB. Free memory was 91.7MB in the beginning and 62.2MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 77.41ms. Allocated memory is still 180.4MB. Free memory was 62.2MB in the beginning and 58.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: 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, 54 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 628 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 243 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 385 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 7 MinimizatonAttempts, 82 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 40 PreInvPairs, 49 NumberOfFragments, 37 HoareAnnotationTreeSize, 40 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1670]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 13:43:09,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5077e42c-0b05-4ad1-b14b-ff0ecd9e734d/bin/utaipan-Q6hlc19bkW/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