./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cd40341b80aac7a99d3a91b3bc238a3d4a979d431e9f6b808274406ea6962645 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:00:08,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:00:08,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:00:08,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:00:08,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:00:08,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:00:08,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:00:08,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:00:08,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:00:08,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:00:08,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:00:08,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:00:08,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:00:08,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:00:08,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:00:08,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:00:08,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:00:08,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:00:08,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:00:08,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:00:08,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:00:08,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:00:08,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:00:08,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:00:08,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:00:08,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:00:08,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:00:08,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:00:08,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:00:08,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:00:08,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:00:08,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:00:08,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:00:08,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:00:08,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:00:08,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:00:08,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:00:08,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:00:08,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:00:08,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:00:08,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:00:08,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-19 07:00:08,561 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:00:08,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:00:08,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:00:08,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:00:08,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:00:08,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:00:08,565 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:00:08,565 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:00:08,566 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:00:08,566 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:00:08,567 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:00:08,567 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:00:08,567 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:00:08,567 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:00:08,568 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:00:08,568 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:00:08,568 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:00:08,568 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:00:08,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:00:08,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:00:08,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:00:08,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:00:08,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:00:08,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:00:08,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:00:08,572 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:00:08,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:00:08,572 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:00:08,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:00:08,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:00:08,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:00:08,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:00:08,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:00:08,574 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:00:08,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:00:08,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:00:08,575 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:00:08,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:00:08,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:00:08,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:00:08,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd40341b80aac7a99d3a91b3bc238a3d4a979d431e9f6b808274406ea6962645 [2022-11-19 07:00:08,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:00:08,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:00:08,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:00:08,900 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:00:08,900 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:00:08,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_15_good.i [2022-11-19 07:00:08,996 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/data/a021b0582/823c9059cc274ec599ccff7daa5a0a46/FLAGccc0158fd [2022-11-19 07:00:09,687 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:00:09,688 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_15_good.i [2022-11-19 07:00:09,715 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/data/a021b0582/823c9059cc274ec599ccff7daa5a0a46/FLAGccc0158fd [2022-11-19 07:00:09,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/data/a021b0582/823c9059cc274ec599ccff7daa5a0a46 [2022-11-19 07:00:09,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:00:09,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:00:09,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:00:09,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:00:09,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:00:09,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:00:09" (1/1) ... [2022-11-19 07:00:09,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620ed0eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:09, skipping insertion in model container [2022-11-19 07:00:09,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:00:09" (1/1) ... [2022-11-19 07:00:09,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:00:10,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:00:10,484 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 07:00:11,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:00:11,122 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:00:11,141 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 07:00:11,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:00:11,302 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:00:11,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11 WrapperNode [2022-11-19 07:00:11,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:00:11,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:00:11,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:00:11,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:00:11,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11" (1/1) ... [2022-11-19 07:00:11,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11" (1/1) ... [2022-11-19 07:00:11,364 INFO L138 Inliner]: procedures = 503, calls = 93, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 163 [2022-11-19 07:00:11,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:00:11,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:00:11,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:00:11,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:00:11,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11" (1/1) ... [2022-11-19 07:00:11,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11" (1/1) ... [2022-11-19 07:00:11,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11" (1/1) ... [2022-11-19 07:00:11,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11" (1/1) ... [2022-11-19 07:00:11,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11" (1/1) ... [2022-11-19 07:00:11,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11" (1/1) ... [2022-11-19 07:00:11,400 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11" (1/1) ... [2022-11-19 07:00:11,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11" (1/1) ... [2022-11-19 07:00:11,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:00:11,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:00:11,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:00:11,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:00:11,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11" (1/1) ... [2022-11-19 07:00:11,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:00:11,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:00:11,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:00:11,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:00:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-19 07:00:11,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-19 07:00:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-19 07:00:11,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-19 07:00:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:00:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:00:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:00:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:00:11,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:00:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:00:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-19 07:00:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:00:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:00:11,695 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:00:11,697 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:00:11,956 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:00:12,052 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:00:12,052 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:00:12,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:00:12 BoogieIcfgContainer [2022-11-19 07:00:12,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:00:12,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:00:12,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:00:12,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:00:12,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:00:09" (1/3) ... [2022-11-19 07:00:12,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b803047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:00:12, skipping insertion in model container [2022-11-19 07:00:12,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:11" (2/3) ... [2022-11-19 07:00:12,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b803047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:00:12, skipping insertion in model container [2022-11-19 07:00:12,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:00:12" (3/3) ... [2022-11-19 07:00:12,067 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_15_good.i [2022-11-19 07:00:12,086 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:00:12,087 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-19 07:00:12,146 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:00:12,154 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56a4c821, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:00:12,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 07:00:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 38 states have (on average 1.6578947368421053) internal successors, (63), 60 states have internal predecessors, (63), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 07:00:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 07:00:12,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:12,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:12,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:00:12,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:12,171 INFO L85 PathProgramCache]: Analyzing trace with hash 464018189, now seen corresponding path program 1 times [2022-11-19 07:00:12,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:12,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777682636] [2022-11-19 07:00:12,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:12,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:00:12,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:12,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777682636] [2022-11-19 07:00:12,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777682636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:12,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:12,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:00:12,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239501244] [2022-11-19 07:00:12,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:12,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:00:12,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:12,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:00:12,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:00:12,643 INFO L87 Difference]: Start difference. First operand has 65 states, 38 states have (on average 1.6578947368421053) internal successors, (63), 60 states have internal predecessors, (63), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:00:12,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:12,770 INFO L93 Difference]: Finished difference Result 65 states and 95 transitions. [2022-11-19 07:00:12,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:00:12,773 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, (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 11 [2022-11-19 07:00:12,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:12,794 INFO L225 Difference]: With dead ends: 65 [2022-11-19 07:00:12,794 INFO L226 Difference]: Without dead ends: 57 [2022-11-19 07:00:12,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:00:12,800 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 2 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:12,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 233 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:00:12,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-19 07:00:12,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-19 07:00:12,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.6) internal successors, (56), 53 states have internal predecessors, (56), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:00:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2022-11-19 07:00:12,860 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 11 [2022-11-19 07:00:12,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:12,863 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2022-11-19 07:00:12,863 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:00:12,864 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2022-11-19 07:00:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 07:00:12,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:12,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:12,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:00:12,867 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)] === [2022-11-19 07:00:12,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:12,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1499662044, now seen corresponding path program 1 times [2022-11-19 07:00:12,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:12,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126096887] [2022-11-19 07:00:12,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:12,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:00:13,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:13,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126096887] [2022-11-19 07:00:13,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126096887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:13,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:13,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:00:13,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258029774] [2022-11-19 07:00:13,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:13,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:00:13,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:13,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:00:13,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:13,162 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:00:13,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:13,281 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2022-11-19 07:00:13,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:00:13,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-19 07:00:13,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:13,287 INFO L225 Difference]: With dead ends: 57 [2022-11-19 07:00:13,290 INFO L226 Difference]: Without dead ends: 56 [2022-11-19 07:00:13,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:00:13,297 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 10 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:13,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 191 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:00:13,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-19 07:00:13,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-19 07:00:13,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 35 states have (on average 1.5714285714285714) internal successors, (55), 52 states have internal predecessors, (55), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:00:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2022-11-19 07:00:13,309 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 12 [2022-11-19 07:00:13,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:13,309 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2022-11-19 07:00:13,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:00:13,310 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2022-11-19 07:00:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 07:00:13,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:13,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:13,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:00:13,311 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)] === [2022-11-19 07:00:13,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:13,312 INFO L85 PathProgramCache]: Analyzing trace with hash 138093644, now seen corresponding path program 1 times [2022-11-19 07:00:13,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:13,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015953038] [2022-11-19 07:00:13,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:13,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:00:13,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:13,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015953038] [2022-11-19 07:00:13,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015953038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:13,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:13,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:00:13,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735119179] [2022-11-19 07:00:13,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:13,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:00:13,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:13,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:00:13,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:13,378 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:00:13,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:13,428 INFO L93 Difference]: Finished difference Result 97 states and 137 transitions. [2022-11-19 07:00:13,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:00:13,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 15 [2022-11-19 07:00:13,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:13,433 INFO L225 Difference]: With dead ends: 97 [2022-11-19 07:00:13,433 INFO L226 Difference]: Without dead ends: 56 [2022-11-19 07:00:13,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:13,442 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 5 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:13,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 133 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:00:13,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-19 07:00:13,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-19 07:00:13,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 35 states have (on average 1.542857142857143) internal successors, (54), 51 states have internal predecessors, (54), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:00:13,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 80 transitions. [2022-11-19 07:00:13,458 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 80 transitions. Word has length 15 [2022-11-19 07:00:13,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:13,459 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 80 transitions. [2022-11-19 07:00:13,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:00:13,459 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2022-11-19 07:00:13,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 07:00:13,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:13,460 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:13,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:00:13,461 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:00:13,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:13,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1606708895, now seen corresponding path program 1 times [2022-11-19 07:00:13,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:13,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568539236] [2022-11-19 07:00:13,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:13,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:00:13,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:13,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568539236] [2022-11-19 07:00:13,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568539236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:13,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:13,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:00:13,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644288889] [2022-11-19 07:00:13,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:13,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:00:13,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:13,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:00:13,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:13,577 INFO L87 Difference]: Start difference. First operand 56 states and 80 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:00:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:13,629 INFO L93 Difference]: Finished difference Result 97 states and 136 transitions. [2022-11-19 07:00:13,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:00:13,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 17 [2022-11-19 07:00:13,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:13,634 INFO L225 Difference]: With dead ends: 97 [2022-11-19 07:00:13,634 INFO L226 Difference]: Without dead ends: 55 [2022-11-19 07:00:13,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:13,635 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:13,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:00:13,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-19 07:00:13,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-19 07:00:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 50 states have internal predecessors, (53), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 07:00:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2022-11-19 07:00:13,643 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 17 [2022-11-19 07:00:13,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:13,643 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2022-11-19 07:00:13,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:00:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2022-11-19 07:00:13,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 07:00:13,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:13,645 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:13,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:00:13,645 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:00:13,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:13,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1607998852, now seen corresponding path program 1 times [2022-11-19 07:00:13,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:13,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293507678] [2022-11-19 07:00:13,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:13,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:00:13,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:13,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293507678] [2022-11-19 07:00:13,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293507678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:13,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:13,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:00:13,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592842470] [2022-11-19 07:00:13,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:13,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:00:13,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:13,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:00:13,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:00:13,793 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:00:13,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:13,854 INFO L93 Difference]: Finished difference Result 55 states and 77 transitions. [2022-11-19 07:00:13,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:00:13,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 19 [2022-11-19 07:00:13,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:13,859 INFO L225 Difference]: With dead ends: 55 [2022-11-19 07:00:13,859 INFO L226 Difference]: Without dead ends: 54 [2022-11-19 07:00:13,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:00:13,861 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 2 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:13,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 186 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:00:13,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-19 07:00:13,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-19 07:00:13,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 49 states have internal predecessors, (52), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 07:00:13,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 76 transitions. [2022-11-19 07:00:13,879 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 76 transitions. Word has length 19 [2022-11-19 07:00:13,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:13,880 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 76 transitions. [2022-11-19 07:00:13,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:00:13,880 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2022-11-19 07:00:13,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 07:00:13,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:13,882 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:13,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:00:13,882 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:00:13,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:13,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1691643247, now seen corresponding path program 1 times [2022-11-19 07:00:13,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:13,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804285955] [2022-11-19 07:00:13,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:13,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:00:14,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:14,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804285955] [2022-11-19 07:00:14,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804285955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:14,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:14,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:00:14,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864451985] [2022-11-19 07:00:14,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:14,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:00:14,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:14,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:00:14,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:14,115 INFO L87 Difference]: Start difference. First operand 54 states and 76 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:00:14,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:14,185 INFO L93 Difference]: Finished difference Result 54 states and 76 transitions. [2022-11-19 07:00:14,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:00:14,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 20 [2022-11-19 07:00:14,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:14,187 INFO L225 Difference]: With dead ends: 54 [2022-11-19 07:00:14,187 INFO L226 Difference]: Without dead ends: 53 [2022-11-19 07:00:14,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:00:14,188 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 11 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:14,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 174 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:00:14,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-19 07:00:14,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-19 07:00:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.457142857142857) internal successors, (51), 48 states have internal predecessors, (51), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 07:00:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2022-11-19 07:00:14,196 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 20 [2022-11-19 07:00:14,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:14,196 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2022-11-19 07:00:14,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:00:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2022-11-19 07:00:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-19 07:00:14,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:14,198 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:14,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:00:14,199 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:00:14,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:14,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1252202123, now seen corresponding path program 1 times [2022-11-19 07:00:14,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:14,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154613212] [2022-11-19 07:00:14,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:14,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:14,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:00:14,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:14,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154613212] [2022-11-19 07:00:14,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154613212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:14,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:14,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:00:14,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936726162] [2022-11-19 07:00:14,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:14,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:00:14,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:14,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:00:14,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:14,262 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:00:14,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:14,283 INFO L93 Difference]: Finished difference Result 79 states and 107 transitions. [2022-11-19 07:00:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:00:14,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 23 [2022-11-19 07:00:14,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:14,285 INFO L225 Difference]: With dead ends: 79 [2022-11-19 07:00:14,285 INFO L226 Difference]: Without dead ends: 51 [2022-11-19 07:00:14,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:14,286 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 5 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:14,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 117 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:00:14,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-19 07:00:14,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-19 07:00:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 34 states have (on average 1.411764705882353) internal successors, (48), 45 states have internal predecessors, (48), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 07:00:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 70 transitions. [2022-11-19 07:00:14,294 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 70 transitions. Word has length 23 [2022-11-19 07:00:14,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:14,294 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 70 transitions. [2022-11-19 07:00:14,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:00:14,294 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-19 07:00:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-19 07:00:14,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:14,296 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] [2022-11-19 07:00:14,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:00:14,296 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:00:14,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:14,297 INFO L85 PathProgramCache]: Analyzing trace with hash 2029488131, now seen corresponding path program 1 times [2022-11-19 07:00:14,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:14,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787068788] [2022-11-19 07:00:14,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:14,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 07:00:14,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:14,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787068788] [2022-11-19 07:00:14,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787068788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:14,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:14,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:00:14,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479295678] [2022-11-19 07:00:14,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:14,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:00:14,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:14,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:00:14,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:14,369 INFO L87 Difference]: Start difference. First operand 51 states and 70 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-19 07:00:14,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:14,397 INFO L93 Difference]: Finished difference Result 70 states and 95 transitions. [2022-11-19 07:00:14,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:00:14,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 26 [2022-11-19 07:00:14,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:14,398 INFO L225 Difference]: With dead ends: 70 [2022-11-19 07:00:14,398 INFO L226 Difference]: Without dead ends: 68 [2022-11-19 07:00:14,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:14,400 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 15 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:14,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 123 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:00:14,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-19 07:00:14,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 55. [2022-11-19 07:00:14,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 38 states have (on average 1.394736842105263) internal successors, (53), 48 states have internal predecessors, (53), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 07:00:14,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2022-11-19 07:00:14,408 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 26 [2022-11-19 07:00:14,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:14,408 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2022-11-19 07:00:14,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-19 07:00:14,409 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-11-19 07:00:14,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 07:00:14,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:14,410 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:14,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:00:14,410 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:00:14,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:14,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1081812740, now seen corresponding path program 1 times [2022-11-19 07:00:14,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:14,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700371539] [2022-11-19 07:00:14,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:14,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:14,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-19 07:00:14,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:14,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700371539] [2022-11-19 07:00:14,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700371539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:14,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:14,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:00:14,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081229960] [2022-11-19 07:00:14,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:14,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:00:14,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:14,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:00:14,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:14,454 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2022-11-19 07:00:14,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:14,474 INFO L93 Difference]: Finished difference Result 72 states and 95 transitions. [2022-11-19 07:00:14,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:00:14,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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 29 [2022-11-19 07:00:14,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:14,477 INFO L225 Difference]: With dead ends: 72 [2022-11-19 07:00:14,477 INFO L226 Difference]: Without dead ends: 48 [2022-11-19 07:00:14,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:14,480 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:14,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:00:14,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-19 07:00:14,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-19 07:00:14,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 42 states have internal predecessors, (45), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-19 07:00:14,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2022-11-19 07:00:14,495 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 29 [2022-11-19 07:00:14,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:14,495 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2022-11-19 07:00:14,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2022-11-19 07:00:14,496 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2022-11-19 07:00:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:00:14,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:14,500 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, 1, 1, 1] [2022-11-19 07:00:14,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:00:14,501 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:00:14,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:14,501 INFO L85 PathProgramCache]: Analyzing trace with hash 872677650, now seen corresponding path program 1 times [2022-11-19 07:00:14,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:14,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083779679] [2022-11-19 07:00:14,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:14,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 07:00:14,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:14,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083779679] [2022-11-19 07:00:14,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083779679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:14,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:14,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:00:14,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816557704] [2022-11-19 07:00:14,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:14,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:00:14,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:14,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:00:14,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:14,551 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-11-19 07:00:14,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:14,570 INFO L93 Difference]: Finished difference Result 60 states and 78 transitions. [2022-11-19 07:00:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:00:14,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 31 [2022-11-19 07:00:14,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:14,572 INFO L225 Difference]: With dead ends: 60 [2022-11-19 07:00:14,572 INFO L226 Difference]: Without dead ends: 46 [2022-11-19 07:00:14,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:14,573 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:14,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 100 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:00:14,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-19 07:00:14,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-19 07:00:14,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 39 states have internal predecessors, (42), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-19 07:00:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2022-11-19 07:00:14,579 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 31 [2022-11-19 07:00:14,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:14,579 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2022-11-19 07:00:14,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-11-19 07:00:14,580 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2022-11-19 07:00:14,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-19 07:00:14,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:14,581 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:14,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 07:00:14,581 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:00:14,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:14,582 INFO L85 PathProgramCache]: Analyzing trace with hash -573667751, now seen corresponding path program 1 times [2022-11-19 07:00:14,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:14,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904833563] [2022-11-19 07:00:14,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:14,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 07:00:14,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:14,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904833563] [2022-11-19 07:00:14,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904833563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:14,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:14,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:00:14,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18459366] [2022-11-19 07:00:14,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:14,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:00:14,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:14,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:00:14,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:14,643 INFO L87 Difference]: Start difference. First operand 46 states and 60 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-19 07:00:14,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:14,666 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2022-11-19 07:00:14,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:00:14,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2022-11-19 07:00:14,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:14,667 INFO L225 Difference]: With dead ends: 52 [2022-11-19 07:00:14,667 INFO L226 Difference]: Without dead ends: 46 [2022-11-19 07:00:14,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:14,668 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:14,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 101 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:00:14,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-19 07:00:14,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-19 07:00:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 39 states have internal predecessors, (41), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-19 07:00:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2022-11-19 07:00:14,687 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 35 [2022-11-19 07:00:14,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:14,688 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2022-11-19 07:00:14,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-19 07:00:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-11-19 07:00:14,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-19 07:00:14,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:14,691 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:14,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 07:00:14,692 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:00:14,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:14,692 INFO L85 PathProgramCache]: Analyzing trace with hash -602046407, now seen corresponding path program 1 times [2022-11-19 07:00:14,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:14,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070125037] [2022-11-19 07:00:14,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:14,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:14,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 07:00:14,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:14,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070125037] [2022-11-19 07:00:14,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070125037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:14,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:14,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:00:14,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135427427] [2022-11-19 07:00:14,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:14,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:00:14,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:14,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:00:14,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:14,767 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-19 07:00:14,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:14,784 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2022-11-19 07:00:14,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:00:14,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2022-11-19 07:00:14,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:14,785 INFO L225 Difference]: With dead ends: 48 [2022-11-19 07:00:14,785 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:00:14,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:14,789 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:14,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:00:14,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:00:14,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:00:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:00:14,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:00:14,792 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-11-19 07:00:14,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:14,792 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:00:14,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-19 07:00:14,793 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:00:14,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:00:14,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-19 07:00:14,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-19 07:00:14,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-19 07:00:14,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-19 07:00:14,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-19 07:00:14,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-19 07:00:14,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-19 07:00:14,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-19 07:00:14,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 07:00:14,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:00:14,875 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-19 07:00:14,875 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-19 07:00:14,876 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-19 07:00:14,876 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-19 07:00:14,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1597) no Hoare annotation was computed. [2022-11-19 07:00:14,877 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-11-19 07:00:14,877 INFO L902 garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: true [2022-11-19 07:00:14,877 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-19 07:00:14,877 INFO L895 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: false [2022-11-19 07:00:14,878 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2022-11-19 07:00:14,878 INFO L899 garLoopResultBuilder]: For program point L1605(line 1605) no Hoare annotation was computed. [2022-11-19 07:00:14,878 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2022-11-19 07:00:14,878 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 07:00:14,878 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-19 07:00:14,878 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: false [2022-11-19 07:00:14,879 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-11-19 07:00:14,880 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) [2022-11-19 07:00:14,880 INFO L895 garLoopResultBuilder]: At program point L1614(lines 1614 1622) the Hoare annotation is: (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-19 07:00:14,880 INFO L902 garLoopResultBuilder]: At program point L1672(line 1672) the Hoare annotation is: true [2022-11-19 07:00:14,881 INFO L899 garLoopResultBuilder]: For program point L1672-1(line 1672) no Hoare annotation was computed. [2022-11-19 07:00:14,881 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: false [2022-11-19 07:00:14,881 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2022-11-19 07:00:14,881 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2022-11-19 07:00:14,882 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch99#1| (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648))) [2022-11-19 07:00:14,882 INFO L895 garLoopResultBuilder]: At program point L1623(lines 1623 1634) the Hoare annotation is: |ULTIMATE.start_goodG2B1_#t~switch103#1| [2022-11-19 07:00:14,882 INFO L899 garLoopResultBuilder]: For program point L1557(line 1557) no Hoare annotation was computed. [2022-11-19 07:00:14,883 INFO L895 garLoopResultBuilder]: At program point L1640(lines 1640 1648) the Hoare annotation is: (= |ULTIMATE.start_goodG2B2_~data~3#1| 2) [2022-11-19 07:00:14,883 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) |ULTIMATE.start_goodB2G1_#t~switch94#1|) [2022-11-19 07:00:14,883 INFO L895 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: false [2022-11-19 07:00:14,884 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-11-19 07:00:14,884 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-11-19 07:00:14,884 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) [2022-11-19 07:00:14,884 INFO L902 garLoopResultBuilder]: At program point L1649(lines 1649 1660) the Hoare annotation is: true [2022-11-19 07:00:14,885 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2022-11-19 07:00:14,885 INFO L895 garLoopResultBuilder]: At program point L1583(lines 1583 1591) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) [2022-11-19 07:00:14,885 INFO L902 garLoopResultBuilder]: At program point L1674(line 1674) the Hoare annotation is: true [2022-11-19 07:00:14,885 INFO L902 garLoopResultBuilder]: At program point L1674-1(line 1674) the Hoare annotation is: true [2022-11-19 07:00:14,885 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1575) no Hoare annotation was computed. [2022-11-19 07:00:14,886 INFO L902 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: true [2022-11-19 07:00:14,886 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2022-11-19 07:00:14,886 INFO L895 garLoopResultBuilder]: At program point L1592(lines 1592 1608) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch99#1| (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648))) [2022-11-19 07:00:14,886 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: false [2022-11-19 07:00:14,886 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-11-19 07:00:14,887 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1627) no Hoare annotation was computed. [2022-11-19 07:00:14,887 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-11-19 07:00:14,887 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-19 07:00:14,887 INFO L895 garLoopResultBuilder]: At program point L1552(lines 1552 1560) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) [2022-11-19 07:00:14,887 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch99#1| (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648))) [2022-11-19 07:00:14,887 INFO L899 garLoopResultBuilder]: For program point L1569(line 1569) no Hoare annotation was computed. [2022-11-19 07:00:14,888 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:00:14,888 INFO L899 garLoopResultBuilder]: For program point L1569-1(line 1569) no Hoare annotation was computed. [2022-11-19 07:00:14,888 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1627) no Hoare annotation was computed. [2022-11-19 07:00:14,888 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-19 07:00:14,888 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-11-19 07:00:14,889 INFO L899 garLoopResultBuilder]: For program point L1627-1(line 1627) no Hoare annotation was computed. [2022-11-19 07:00:14,889 INFO L895 garLoopResultBuilder]: At program point L1561(lines 1561 1577) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) |ULTIMATE.start_goodB2G1_#t~switch94#1|) [2022-11-19 07:00:14,889 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) |ULTIMATE.start_goodB2G1_#t~switch94#1|) [2022-11-19 07:00:14,889 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1597) no Hoare annotation was computed. [2022-11-19 07:00:14,889 INFO L895 garLoopResultBuilder]: At program point L1628(line 1628) the Hoare annotation is: |ULTIMATE.start_goodG2B1_#t~switch103#1| [2022-11-19 07:00:14,890 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1603) no Hoare annotation was computed. [2022-11-19 07:00:14,890 INFO L899 garLoopResultBuilder]: For program point L1653(line 1653) no Hoare annotation was computed. [2022-11-19 07:00:14,890 INFO L899 garLoopResultBuilder]: For program point L1653-1(line 1653) no Hoare annotation was computed. [2022-11-19 07:00:14,890 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-11-19 07:00:14,890 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-11-19 07:00:14,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2022-11-19 07:00:14,894 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:14,896 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:00:14,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:00:14 BoogieIcfgContainer [2022-11-19 07:00:14,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:00:14,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:00:14,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:00:14,924 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:00:14,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:00:12" (3/4) ... [2022-11-19 07:00:14,927 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:00:14,933 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-19 07:00:14,933 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-19 07:00:14,941 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-11-19 07:00:14,942 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-19 07:00:14,942 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 07:00:14,943 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:00:14,943 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:00:15,014 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:00:15,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:00:15,015 INFO L158 Benchmark]: Toolchain (without parser) took 5075.20ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 68.6MB in the beginning and 93.4MB in the end (delta: -24.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-19 07:00:15,016 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:00:15,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1360.47ms. Allocated memory is still 111.1MB. Free memory was 68.4MB in the beginning and 77.5MB in the end (delta: -9.1MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-11-19 07:00:15,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.54ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 74.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:00:15,017 INFO L158 Benchmark]: Boogie Preprocessor took 39.28ms. Allocated memory is still 111.1MB. Free memory was 74.2MB in the beginning and 72.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:00:15,018 INFO L158 Benchmark]: RCFGBuilder took 650.26ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 52.8MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-19 07:00:15,018 INFO L158 Benchmark]: TraceAbstraction took 2865.75ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 51.9MB in the beginning and 97.5MB in the end (delta: -45.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:00:15,019 INFO L158 Benchmark]: Witness Printer took 91.13ms. Allocated memory is still 151.0MB. Free memory was 97.5MB in the beginning and 93.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:00:15,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1360.47ms. Allocated memory is still 111.1MB. Free memory was 68.4MB in the beginning and 77.5MB in the end (delta: -9.1MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.54ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 74.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.28ms. Allocated memory is still 111.1MB. Free memory was 74.2MB in the beginning and 72.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 650.26ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 52.8MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2865.75ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 51.9MB in the beginning and 97.5MB in the end (delta: -45.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.13ms. Allocated memory is still 151.0MB. Free memory was 97.5MB in the beginning and 93.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 1692 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 947 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 309 IncrementalHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 745 mSDtfsCounter, 309 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 42, 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, 12 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 65 PreInvPairs, 75 NumberOfFragments, 123 HoareAnnotationTreeSize, 65 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 44/44 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1614]: Loop Invariant Derived loop invariant: 2 == data - InvariantResult [Line: 1640]: Loop Invariant Derived loop invariant: data == 2 - InvariantResult [Line: 1674]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1561]: Loop Invariant Derived loop invariant: 0 <= unknown-#memory_int-unknown[data][data] + 2147483648 && aux-switch(8) { case 7: printLine("Benign, fixed string"); break; default: if (data < 0x7fffffff) { int result = data + 1; printIntLine(result); } else { printLine("data value is too large to perform arithmetic safely."); } break; }-aux - InvariantResult [Line: 1583]: Loop Invariant Derived loop invariant: 0 <= unknown-#memory_int-unknown[data][data] + 2147483648 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: 0 <= unknown-#memory_int-unknown[data][data] + 2147483648 - InvariantResult [Line: 1623]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: aux-switch(7) { case 7: if (data < 0x7fffffff) { int result = data + 1; printIntLine(result); } else { printLine("data value is too large to perform arithmetic safely."); } break; default: printLine("Benign, fixed string"); break; }-aux && 0 <= unknown-#memory_int-unknown[data][data] + 2147483648 - InvariantResult [Line: 1649]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-19 07:00:15,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a9287a-20d7-479d-b7ce-6305b2a61a52/bin/utaipan-I9t0OCRTmS/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