./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --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 14e715d25275665b774fe47d7ef39a3277b32bc877175cc1f4bd24e3d90e2077 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:14:04,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:14:04,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 04:14:04,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:14:04,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:14:04,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:14:04,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:14:04,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:14:04,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:14:04,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:14:04,937 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:14:04,939 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:14:04,939 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:14:04,941 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:14:04,942 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:14:04,942 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:14:04,943 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:14:04,943 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:14:04,944 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:14:04,944 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:14:04,944 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:14:04,945 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:14:04,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:14:04,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:14:04,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:14:04,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:14:04,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:14:04,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:14:04,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:14:04,949 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:14:04,951 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:14:04,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:14:04,951 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:14:04,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:14:04,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:14:04,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:14:04,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:14:04,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:14:04,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:14:04,953 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:14:04,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:14:04,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:14:04,954 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:14:04,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:14:04,955 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14e715d25275665b774fe47d7ef39a3277b32bc877175cc1f4bd24e3d90e2077 [2023-11-19 04:14:05,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:14:05,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:14:05,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:14:05,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:14:05,293 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:14:05,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_09_good.i [2023-11-19 04:14:08,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:14:08,967 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:14:08,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_09_good.i [2023-11-19 04:14:09,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/data/d27703724/869f8e0c8f314b06895d07ae3aab20fc/FLAG631229d54 [2023-11-19 04:14:09,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/data/d27703724/869f8e0c8f314b06895d07ae3aab20fc [2023-11-19 04:14:09,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:14:09,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:14:09,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:14:09,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:14:09,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:14:09,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:14:09" (1/1) ... [2023-11-19 04:14:09,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68433645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:09, skipping insertion in model container [2023-11-19 04:14:09,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:14:09" (1/1) ... [2023-11-19 04:14:09,179 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:14:09,545 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:14:10,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:14:10,179 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:14:10,214 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:14:10,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:14:10,466 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:14:10,467 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:14:10,467 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:14:10,467 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:14:10,468 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:14:10,476 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:14:10,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10 WrapperNode [2023-11-19 04:14:10,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:14:10,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:14:10,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:14:10,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:14:10,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10" (1/1) ... [2023-11-19 04:14:10,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10" (1/1) ... [2023-11-19 04:14:10,569 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 180 [2023-11-19 04:14:10,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:14:10,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:14:10,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:14:10,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:14:10,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10" (1/1) ... [2023-11-19 04:14:10,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10" (1/1) ... [2023-11-19 04:14:10,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10" (1/1) ... [2023-11-19 04:14:10,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10" (1/1) ... [2023-11-19 04:14:10,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10" (1/1) ... [2023-11-19 04:14:10,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10" (1/1) ... [2023-11-19 04:14:10,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10" (1/1) ... [2023-11-19 04:14:10,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10" (1/1) ... [2023-11-19 04:14:10,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:14:10,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:14:10,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:14:10,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:14:10,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10" (1/1) ... [2023-11-19 04:14:10,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:14:10,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:14:10,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:14:10,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:14:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 04:14:10,700 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 04:14:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:14:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:14:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:14:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:14:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:14:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:14:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:14:10,925 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:14:10,927 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:14:11,295 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:14:11,733 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:14:11,733 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:14:11,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:14:11 BoogieIcfgContainer [2023-11-19 04:14:11,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:14:11,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:14:11,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:14:11,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:14:11,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:14:09" (1/3) ... [2023-11-19 04:14:11,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1127bff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:14:11, skipping insertion in model container [2023-11-19 04:14:11,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:14:10" (2/3) ... [2023-11-19 04:14:11,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1127bff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:14:11, skipping insertion in model container [2023-11-19 04:14:11,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:14:11" (3/3) ... [2023-11-19 04:14:11,753 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_09_good.i [2023-11-19 04:14:11,771 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:14:11,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 04:14:11,824 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:14:11,830 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=LoopHeads, 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;@735caf91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:14:11,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 04:14:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 40 states have internal predecessors, (43), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 04:14:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:14:11,841 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:14:11,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:14:11,842 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)] === [2023-11-19 04:14:11,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:14:11,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1240545573, now seen corresponding path program 1 times [2023-11-19 04:14:11,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:14:11,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094864868] [2023-11-19 04:14:11,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:14:11,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:14:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:14:12,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:14:12,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:14:12,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094864868] [2023-11-19 04:14:12,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094864868] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:14:12,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:14:12,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:14:12,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956598014] [2023-11-19 04:14:12,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:14:12,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:14:12,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:14:12,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:14:12,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:14:12,599 INFO L87 Difference]: Start difference. First operand has 49 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 40 states have internal predecessors, (43), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-11-19 04:14:12,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:14:12,768 INFO L93 Difference]: Finished difference Result 75 states and 93 transitions. [2023-11-19 04:14:12,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:14:12,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 8 [2023-11-19 04:14:12,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:14:12,781 INFO L225 Difference]: With dead ends: 75 [2023-11-19 04:14:12,781 INFO L226 Difference]: Without dead ends: 42 [2023-11-19 04:14:12,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:14:12,791 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 60 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:14:12,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 77 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:14:12,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-19 04:14:12,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-19 04:14:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 25 states have (on average 1.4) internal successors, (35), 35 states have internal predecessors, (35), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 04:14:12,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2023-11-19 04:14:12,850 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 8 [2023-11-19 04:14:12,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:14:12,852 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2023-11-19 04:14:12,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-11-19 04:14:12,853 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-19 04:14:12,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:14:12,855 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:14:12,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:14:12,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:14:12,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:14:12,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:14:12,858 INFO L85 PathProgramCache]: Analyzing trace with hash 197793039, now seen corresponding path program 1 times [2023-11-19 04:14:12,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:14:12,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222829972] [2023-11-19 04:14:12,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:14:12,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:14:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:14:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:14:12,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:14:12,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222829972] [2023-11-19 04:14:12,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222829972] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:14:12,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:14:12,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:14:12,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241907711] [2023-11-19 04:14:12,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:14:12,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:14:12,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:14:12,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:14:12,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:14:12,987 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-19 04:14:13,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:14:13,058 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2023-11-19 04:14:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:14:13,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2023-11-19 04:14:13,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:14:13,061 INFO L225 Difference]: With dead ends: 43 [2023-11-19 04:14:13,062 INFO L226 Difference]: Without dead ends: 42 [2023-11-19 04:14:13,067 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 [2023-11-19 04:14:13,068 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:14:13,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 80 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:14:13,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-19 04:14:13,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2023-11-19 04:14:13,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.36) internal successors, (34), 34 states have internal predecessors, (34), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 04:14:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2023-11-19 04:14:13,089 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 9 [2023-11-19 04:14:13,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:14:13,090 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2023-11-19 04:14:13,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-19 04:14:13,090 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-19 04:14:13,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:14:13,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:14:13,093 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:14:13,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:14:13,094 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:14:13,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:14:13,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1248562146, now seen corresponding path program 1 times [2023-11-19 04:14:13,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:14:13,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815698291] [2023-11-19 04:14:13,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:14:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:14:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:14:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:14:13,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:14:13,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815698291] [2023-11-19 04:14:13,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815698291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:14:13,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:14:13,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:14:13,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427119926] [2023-11-19 04:14:13,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:14:13,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:14:13,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:14:13,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:14:13,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:14:13,232 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:14:13,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:14:13,263 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2023-11-19 04:14:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:14:13,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2023-11-19 04:14:13,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:14:13,265 INFO L225 Difference]: With dead ends: 70 [2023-11-19 04:14:13,265 INFO L226 Difference]: Without dead ends: 39 [2023-11-19 04:14:13,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:14:13,267 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:14:13,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 36 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:14:13,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-19 04:14:13,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-19 04:14:13,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.28) internal successors, (32), 32 states have internal predecessors, (32), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 04:14:13,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2023-11-19 04:14:13,276 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 13 [2023-11-19 04:14:13,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:14:13,277 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2023-11-19 04:14:13,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:14:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-11-19 04:14:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:14:13,279 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:14:13,280 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:14:13,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:14:13,280 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)] === [2023-11-19 04:14:13,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:14:13,281 INFO L85 PathProgramCache]: Analyzing trace with hash 213776199, now seen corresponding path program 1 times [2023-11-19 04:14:13,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:14:13,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762988288] [2023-11-19 04:14:13,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:14:13,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:14:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:14:13,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:14:13,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:14:13,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762988288] [2023-11-19 04:14:13,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762988288] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:14:13,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:14:13,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:14:13,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884170894] [2023-11-19 04:14:13,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:14:13,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:14:13,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:14:13,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:14:13,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:14:13,535 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (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) [2023-11-19 04:14:13,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:14:13,585 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2023-11-19 04:14:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:14:13,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (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 14 [2023-11-19 04:14:13,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:14:13,587 INFO L225 Difference]: With dead ends: 39 [2023-11-19 04:14:13,587 INFO L226 Difference]: Without dead ends: 38 [2023-11-19 04:14:13,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:14:13,589 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 10 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 57 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 [2023-11-19 04:14:13,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 57 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:14:13,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-19 04:14:13,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-19 04:14:13,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.24) internal successors, (31), 31 states have internal predecessors, (31), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 04:14:13,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2023-11-19 04:14:13,598 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 14 [2023-11-19 04:14:13,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:14:13,599 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2023-11-19 04:14:13,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (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) [2023-11-19 04:14:13,599 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2023-11-19 04:14:13,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:14:13,600 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:14:13,600 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:14:13,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:14:13,601 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)] === [2023-11-19 04:14:13,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:14:13,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1962872187, now seen corresponding path program 1 times [2023-11-19 04:14:13,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:14:13,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967355567] [2023-11-19 04:14:13,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:14:13,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:14:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:14:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:14:13,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:14:13,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967355567] [2023-11-19 04:14:13,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967355567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:14:13,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:14:13,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:14:13,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471680430] [2023-11-19 04:14:13,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:14:13,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:14:13,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:14:13,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:14:13,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:14:13,673 INFO L87 Difference]: Start difference. First operand 38 states and 43 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, (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) [2023-11-19 04:14:13,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:14:13,713 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2023-11-19 04:14:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:14:13,714 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, (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 15 [2023-11-19 04:14:13,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:14:13,715 INFO L225 Difference]: With dead ends: 39 [2023-11-19 04:14:13,716 INFO L226 Difference]: Without dead ends: 38 [2023-11-19 04:14:13,716 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 [2023-11-19 04:14:13,717 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 2 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:14:13,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 64 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:14:13,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-19 04:14:13,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2023-11-19 04:14:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.2) internal successors, (30), 30 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 04:14:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2023-11-19 04:14:13,726 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 15 [2023-11-19 04:14:13,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:14:13,727 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2023-11-19 04:14:13,727 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, (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) [2023-11-19 04:14:13,727 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-11-19 04:14:13,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:14:13,728 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:14:13,728 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:14:13,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 04:14:13,729 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)] === [2023-11-19 04:14:13,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:14:13,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1944287334, now seen corresponding path program 1 times [2023-11-19 04:14:13,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:14:13,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595607779] [2023-11-19 04:14:13,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:14:13,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:14:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:14:13,815 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:14:13,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:14:13,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595607779] [2023-11-19 04:14:13,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595607779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:14:13,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:14:13,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:14:13,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083730416] [2023-11-19 04:14:13,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:14:13,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:14:13,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:14:13,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:14:13,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:14:13,818 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 04:14:13,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:14:13,853 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2023-11-19 04:14:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:14:13,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2023-11-19 04:14:13,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:14:13,855 INFO L225 Difference]: With dead ends: 37 [2023-11-19 04:14:13,855 INFO L226 Difference]: Without dead ends: 35 [2023-11-19 04:14:13,855 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 [2023-11-19 04:14:13,856 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:14:13,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 59 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:14:13,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-19 04:14:13,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-19 04:14:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.12) internal successors, (28), 28 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 04:14:13,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2023-11-19 04:14:13,864 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 20 [2023-11-19 04:14:13,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:14:13,865 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2023-11-19 04:14:13,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 04:14:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2023-11-19 04:14:13,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:14:13,867 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:14:13,867 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:14:13,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 04:14:13,868 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)] === [2023-11-19 04:14:13,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:14:13,868 INFO L85 PathProgramCache]: Analyzing trace with hash 545746319, now seen corresponding path program 1 times [2023-11-19 04:14:13,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:14:13,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678741261] [2023-11-19 04:14:13,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:14:13,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:14:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:14:14,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:14:14,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:14:14,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678741261] [2023-11-19 04:14:14,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678741261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:14:14,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:14:14,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:14:14,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652664751] [2023-11-19 04:14:14,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:14:14,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:14:14,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:14:14,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:14:14,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:14:14,008 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 04:14:14,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:14:14,052 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2023-11-19 04:14:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:14:14,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2023-11-19 04:14:14,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:14:14,054 INFO L225 Difference]: With dead ends: 35 [2023-11-19 04:14:14,054 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:14:14,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:14:14,056 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 28 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:14:14,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 56 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:14:14,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:14:14,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:14:14,058 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) [2023-11-19 04:14:14,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:14:14,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-11-19 04:14:14,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:14:14,058 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:14:14,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 04:14:14,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:14:14,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:14:14,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 04:14:14,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 04:14:14,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 04:14:14,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 04:14:14,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 04:14:14,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 04:14:14,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 04:14:14,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 04:14:14,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 04:14:14,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:14:14,152 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 04:14:14,153 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 04:14:14,153 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 04:14:14,153 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 04:14:14,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2023-11-19 04:14:14,154 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1593) no Hoare annotation was computed. [2023-11-19 04:14:14,154 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2023-11-19 04:14:14,154 INFO L895 garLoopResultBuilder]: At program point L1640(line 1640) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1)) [2023-11-19 04:14:14,154 INFO L899 garLoopResultBuilder]: For program point L1640-1(line 1640) no Hoare annotation was computed. [2023-11-19 04:14:14,155 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-19 04:14:14,155 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2023-11-19 04:14:14,155 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2023-11-19 04:14:14,155 INFO L895 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: (= ~GLOBAL_CONST_TRUE~0 1) [2023-11-19 04:14:14,155 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2023-11-19 04:14:14,156 INFO L899 garLoopResultBuilder]: For program point L1642-1(line 1642) no Hoare annotation was computed. [2023-11-19 04:14:14,156 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2023-11-19 04:14:14,156 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: (= ~GLOBAL_CONST_TRUE~0 1) [2023-11-19 04:14:14,156 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2023-11-19 04:14:14,157 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (and (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1)) [2023-11-19 04:14:14,157 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2023-11-19 04:14:14,157 INFO L899 garLoopResultBuilder]: For program point L1577-2(lines 1574 1593) no Hoare annotation was computed. [2023-11-19 04:14:14,157 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:14:14,157 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1613) no Hoare annotation was computed. [2023-11-19 04:14:14,158 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2023-11-19 04:14:14,158 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1570) no Hoare annotation was computed. [2023-11-19 04:14:14,158 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2023-11-19 04:14:14,158 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2023-11-19 04:14:14,158 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-19 04:14:14,159 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-19 04:14:14,159 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-19 04:14:14,159 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1629) no Hoare annotation was computed. [2023-11-19 04:14:14,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-19 04:14:14,159 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1605) no Hoare annotation was computed. [2023-11-19 04:14:14,160 INFO L895 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483646) (= ~GLOBAL_CONST_TRUE~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2023-11-19 04:14:14,160 INFO L899 garLoopResultBuilder]: For program point L1598-1(lines 1595 1613) no Hoare annotation was computed. [2023-11-19 04:14:14,160 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2023-11-19 04:14:14,160 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:14:14,160 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1591) no Hoare annotation was computed. [2023-11-19 04:14:14,161 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: false [2023-11-19 04:14:14,161 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2023-11-19 04:14:14,161 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2023-11-19 04:14:14,161 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2023-11-19 04:14:14,161 INFO L899 garLoopResultBuilder]: For program point L1618-2(lines 1615 1629) no Hoare annotation was computed. [2023-11-19 04:14:14,161 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1572) no Hoare annotation was computed. [2023-11-19 04:14:14,162 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2023-11-19 04:14:14,162 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 1548 1572) no Hoare annotation was computed. [2023-11-19 04:14:14,162 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2023-11-19 04:14:14,163 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2023-11-19 04:14:14,163 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-19 04:14:14,167 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:14:14,169 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:14:14,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:14:14 BoogieIcfgContainer [2023-11-19 04:14:14,175 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:14:14,176 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:14:14,176 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:14:14,176 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:14:14,177 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:14:11" (3/4) ... [2023-11-19 04:14:14,179 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:14:14,183 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 04:14:14,184 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 04:14:14,192 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2023-11-19 04:14:14,193 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 04:14:14,194 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:14:14,195 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:14:14,306 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:14:14,307 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:14:14,307 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:14:14,308 INFO L158 Benchmark]: Toolchain (without parser) took 5284.27ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 111.6MB in the beginning and 136.0MB in the end (delta: -24.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-19 04:14:14,308 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 121.6MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:14:14,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1451.65ms. Allocated memory is still 153.1MB. Free memory was 111.6MB in the beginning and 61.0MB in the end (delta: 50.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-19 04:14:14,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.37ms. Allocated memory is still 153.1MB. Free memory was 61.0MB in the beginning and 57.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:14:14,310 INFO L158 Benchmark]: Boogie Preprocessor took 52.30ms. Allocated memory is still 153.1MB. Free memory was 57.7MB in the beginning and 55.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:14:14,310 INFO L158 Benchmark]: RCFGBuilder took 1117.71ms. Allocated memory is still 153.1MB. Free memory was 55.7MB in the beginning and 59.7MB in the end (delta: -4.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:14:14,311 INFO L158 Benchmark]: TraceAbstraction took 2431.32ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 58.6MB in the beginning and 143.4MB in the end (delta: -84.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:14:14,311 INFO L158 Benchmark]: Witness Printer took 131.79ms. Allocated memory is still 184.5MB. Free memory was 142.3MB in the beginning and 136.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:14:14,313 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36ms. Allocated memory is still 121.6MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1451.65ms. Allocated memory is still 153.1MB. Free memory was 111.6MB in the beginning and 61.0MB in the end (delta: 50.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.37ms. Allocated memory is still 153.1MB. Free memory was 61.0MB in the beginning and 57.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.30ms. Allocated memory is still 153.1MB. Free memory was 57.7MB in the beginning and 55.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1117.71ms. Allocated memory is still 153.1MB. Free memory was 55.7MB in the beginning and 59.7MB in the end (delta: -4.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2431.32ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 58.6MB in the beginning and 143.4MB in the end (delta: -84.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 131.79ms. Allocated memory is still 184.5MB. Free memory was 142.3MB in the beginning and 136.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: 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, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 429 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 245 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 23, 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 27 PreInvPairs, 32 NumberOfFragments, 81 HoareAnnotationTreeSize, 27 FomulaSimplifications, 48 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 18/18 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 RESULT: Ultimate proved your program to be correct! [2023-11-19 04:14:14,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f349c78-cad9-43d1-8289-4978a1ac5693/bin/utaipan-verify-t7M7D8N6sZ/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