./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a072e0d72ae4c3516bf260ab3e8aa59d39e6fb524b5af05fea327d2290f86cb7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:13:17,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:13:17,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 04:13:17,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:13:17,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:13:17,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:13:17,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:13:17,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:13:17,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:13:17,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:13:17,384 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:13:17,385 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:13:17,386 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:13:17,388 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:13:17,388 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:13:17,389 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:13:17,389 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:13:17,390 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:13:17,390 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:13:17,391 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:13:17,391 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:13:17,392 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:13:17,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:13:17,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:13:17,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:13:17,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:13:17,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:13:17,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:13:17,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:13:17,396 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:13:17,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:13:17,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:13:17,398 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:13:17,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:13:17,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:13:17,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:17,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:13:17,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:13:17,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:13:17,425 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:13:17,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:13:17,425 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:13:17,426 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:13:17,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:13:17,427 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a072e0d72ae4c3516bf260ab3e8aa59d39e6fb524b5af05fea327d2290f86cb7 [2023-11-19 04:13:17,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:13:17,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:13:17,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:13:17,794 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:13:17,795 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:13:17,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_good.i [2023-11-19 04:13:21,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:13:21,404 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:13:21,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_good.i [2023-11-19 04:13:21,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/data/5be0ada5c/5cea8517206d4faa915f2290eccd3eef/FLAG7e2a7b668 [2023-11-19 04:13:21,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/data/5be0ada5c/5cea8517206d4faa915f2290eccd3eef [2023-11-19 04:13:21,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:13:21,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:13:21,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:21,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:13:21,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:13:21,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9b200f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:21, skipping insertion in model container [2023-11-19 04:13:21,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:21" (1/1) ... [2023-11-19 04:13:21,563 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:13:21,969 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:13:22,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:22,624 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:13:22,644 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:13:22,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:22,874 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:13:22,874 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:13:22,874 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:13:22,875 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:13:22,875 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:13:22,875 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:13:22,884 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:13:22,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22 WrapperNode [2023-11-19 04:13:22,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:22,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:22,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:13:22,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:13:22,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22" (1/1) ... [2023-11-19 04:13:22,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22" (1/1) ... [2023-11-19 04:13:22,961 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 116 [2023-11-19 04:13:22,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:22,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:13:22,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:13:22,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:13:22,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22" (1/1) ... [2023-11-19 04:13:22,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22" (1/1) ... [2023-11-19 04:13:22,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22" (1/1) ... [2023-11-19 04:13:22,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22" (1/1) ... [2023-11-19 04:13:23,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22" (1/1) ... [2023-11-19 04:13:23,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22" (1/1) ... [2023-11-19 04:13:23,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22" (1/1) ... [2023-11-19 04:13:23,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22" (1/1) ... [2023-11-19 04:13:23,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:13:23,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:13:23,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:13:23,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:13:23,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22" (1/1) ... [2023-11-19 04:13:23,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:23,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:23,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:13:23,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:13:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 04:13:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 04:13:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 04:13:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:13:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:13:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:13:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:13:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:13:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:13:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:13:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:13:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:13:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:13:23,258 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:13:23,260 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:13:23,486 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:13:23,538 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:13:23,538 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 04:13:23,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:23 BoogieIcfgContainer [2023-11-19 04:13:23,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:13:23,553 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:13:23,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:13:23,557 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:13:23,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:13:21" (1/3) ... [2023-11-19 04:13:23,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0dc969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:23, skipping insertion in model container [2023-11-19 04:13:23,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:22" (2/3) ... [2023-11-19 04:13:23,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0dc969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:23, skipping insertion in model container [2023-11-19 04:13:23,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:23" (3/3) ... [2023-11-19 04:13:23,564 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_03_good.i [2023-11-19 04:13:23,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:13:23,586 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 04:13:23,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:13:23,642 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@74555325, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:13:23,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 04:13:23,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 35 states have (on average 1.5714285714285714) internal successors, (55), 49 states have internal predecessors, (55), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 04:13:23,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:13:23,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:23,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:23,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:13:23,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:23,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1390051126, now seen corresponding path program 1 times [2023-11-19 04:13:23,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:13:23,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324972760] [2023-11-19 04:13:23,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:23,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:13:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:13:23,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:13:23,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324972760] [2023-11-19 04:13:23,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324972760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:23,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:23,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:13:23,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101211257] [2023-11-19 04:13:23,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:23,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:13:24,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:13:24,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:13:24,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:13:24,049 INFO L87 Difference]: Start difference. First operand has 58 states, 35 states have (on average 1.5714285714285714) internal successors, (55), 49 states have internal predecessors, (55), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:13:24,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:24,136 INFO L93 Difference]: Finished difference Result 107 states and 143 transitions. [2023-11-19 04:13:24,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:13:24,138 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-19 04:13:24,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:24,147 INFO L225 Difference]: With dead ends: 107 [2023-11-19 04:13:24,148 INFO L226 Difference]: Without dead ends: 50 [2023-11-19 04:13:24,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:13:24,157 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:24,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:13:24,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-19 04:13:24,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-19 04:13:24,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.4375) internal successors, (46), 43 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 04:13:24,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2023-11-19 04:13:24,209 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 10 [2023-11-19 04:13:24,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:24,210 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2023-11-19 04:13:24,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:13:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-19 04:13:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:13:24,212 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:24,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:24,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:13:24,213 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:13:24,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:24,214 INFO L85 PathProgramCache]: Analyzing trace with hash -592870863, now seen corresponding path program 1 times [2023-11-19 04:13:24,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:13:24,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460910643] [2023-11-19 04:13:24,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:24,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:13:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:13:24,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:13:24,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460910643] [2023-11-19 04:13:24,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460910643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:24,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:24,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:13:24,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015376741] [2023-11-19 04:13:24,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:24,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:13:24,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:13:24,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:13:24,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:24,371 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:13:24,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:24,408 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2023-11-19 04:13:24,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:13:24,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-19 04:13:24,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:24,411 INFO L225 Difference]: With dead ends: 51 [2023-11-19 04:13:24,411 INFO L226 Difference]: Without dead ends: 50 [2023-11-19 04:13:24,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:24,413 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 5 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:24,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 93 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:13:24,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-19 04:13:24,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2023-11-19 04:13:24,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.40625) internal successors, (45), 42 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 04:13:24,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2023-11-19 04:13:24,433 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 12 [2023-11-19 04:13:24,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:24,433 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 61 transitions. [2023-11-19 04:13:24,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:13:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-11-19 04:13:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:13:24,435 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:24,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:24,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:13:24,435 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:13:24,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:24,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1199127495, now seen corresponding path program 1 times [2023-11-19 04:13:24,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:13:24,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692663249] [2023-11-19 04:13:24,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:24,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:13:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:24,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:13:24,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:13:24,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692663249] [2023-11-19 04:13:24,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692663249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:24,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:24,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:13:24,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881837864] [2023-11-19 04:13:24,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:24,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:13:24,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:13:24,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:13:24,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:24,623 INFO L87 Difference]: Start difference. First operand 49 states and 61 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:13:24,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:24,675 INFO L93 Difference]: Finished difference Result 88 states and 108 transitions. [2023-11-19 04:13:24,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:13:24,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-19 04:13:24,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:24,677 INFO L225 Difference]: With dead ends: 88 [2023-11-19 04:13:24,677 INFO L226 Difference]: Without dead ends: 53 [2023-11-19 04:13:24,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:24,680 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 7 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:24,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 94 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:13:24,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-19 04:13:24,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2023-11-19 04:13:24,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 44 states have internal predecessors, (49), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 04:13:24,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2023-11-19 04:13:24,691 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 13 [2023-11-19 04:13:24,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:24,691 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2023-11-19 04:13:24,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:13:24,692 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2023-11-19 04:13:24,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:13:24,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:24,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:24,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:13:24,694 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:13:24,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:24,695 INFO L85 PathProgramCache]: Analyzing trace with hash -401094941, now seen corresponding path program 1 times [2023-11-19 04:13:24,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:13:24,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855113152] [2023-11-19 04:13:24,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:24,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:13:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:24,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:13:24,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:13:24,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855113152] [2023-11-19 04:13:24,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855113152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:24,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:24,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:13:24,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669867887] [2023-11-19 04:13:24,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:24,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:13:24,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:13:24,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:13:24,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:24,816 INFO L87 Difference]: Start difference. First operand 52 states and 65 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:13:24,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:24,847 INFO L93 Difference]: Finished difference Result 53 states and 66 transitions. [2023-11-19 04:13:24,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:13:24,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-19 04:13:24,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:24,851 INFO L225 Difference]: With dead ends: 53 [2023-11-19 04:13:24,851 INFO L226 Difference]: Without dead ends: 52 [2023-11-19 04:13:24,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:24,857 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 5 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:24,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 90 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:13:24,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-19 04:13:24,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2023-11-19 04:13:24,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 43 states have internal predecessors, (48), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 04:13:24,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2023-11-19 04:13:24,867 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 17 [2023-11-19 04:13:24,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:24,868 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2023-11-19 04:13:24,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:13:24,868 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-11-19 04:13:24,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:13:24,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:24,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:24,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:13:24,870 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:13:24,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:24,871 INFO L85 PathProgramCache]: Analyzing trace with hash 450958827, now seen corresponding path program 1 times [2023-11-19 04:13:24,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:13:24,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018287792] [2023-11-19 04:13:24,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:24,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:13:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:13:24,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:13:24,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018287792] [2023-11-19 04:13:24,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018287792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:24,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:24,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:13:24,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32631375] [2023-11-19 04:13:24,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:24,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:13:24,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:13:24,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:13:24,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:24,943 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:13:24,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:24,977 INFO L93 Difference]: Finished difference Result 75 states and 90 transitions. [2023-11-19 04:13:24,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:13:24,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-11-19 04:13:24,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:24,979 INFO L225 Difference]: With dead ends: 75 [2023-11-19 04:13:24,979 INFO L226 Difference]: Without dead ends: 54 [2023-11-19 04:13:24,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:24,982 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 6 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:24,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 90 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:13:24,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-19 04:13:24,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2023-11-19 04:13:24,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 44 states have internal predecessors, (51), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 04:13:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2023-11-19 04:13:24,991 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 18 [2023-11-19 04:13:24,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:24,991 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2023-11-19 04:13:24,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:13:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-11-19 04:13:24,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:13:24,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:24,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:24,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 04:13:24,994 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:13:24,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:24,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1193242515, now seen corresponding path program 1 times [2023-11-19 04:13:24,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:13:24,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582980780] [2023-11-19 04:13:24,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:24,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:13:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:25,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:13:25,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:13:25,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582980780] [2023-11-19 04:13:25,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582980780] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:25,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:25,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:13:25,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705672386] [2023-11-19 04:13:25,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:25,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:13:25,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:13:25,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:13:25,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:25,075 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:13:25,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:25,101 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2023-11-19 04:13:25,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:13:25,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-11-19 04:13:25,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:25,103 INFO L225 Difference]: With dead ends: 59 [2023-11-19 04:13:25,103 INFO L226 Difference]: Without dead ends: 51 [2023-11-19 04:13:25,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:25,105 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 3 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:25,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 90 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:13:25,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-19 04:13:25,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-19 04:13:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 42 states have internal predecessors, (48), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 04:13:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2023-11-19 04:13:25,113 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 19 [2023-11-19 04:13:25,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:25,113 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2023-11-19 04:13:25,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:13:25,114 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-11-19 04:13:25,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:13:25,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:25,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:25,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 04:13:25,116 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:13:25,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:25,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1077249585, now seen corresponding path program 1 times [2023-11-19 04:13:25,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:13:25,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851394744] [2023-11-19 04:13:25,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:25,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:13:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:13:25,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:13:25,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851394744] [2023-11-19 04:13:25,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851394744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:25,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:25,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:13:25,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677704592] [2023-11-19 04:13:25,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:25,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:13:25,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:13:25,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:13:25,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:25,212 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 04:13:25,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:25,241 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2023-11-19 04:13:25,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:13:25,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2023-11-19 04:13:25,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:25,243 INFO L225 Difference]: With dead ends: 51 [2023-11-19 04:13:25,243 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:13:25,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:25,244 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:25,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 92 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:13:25,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:13:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:13:25,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:13:25,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:13:25,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2023-11-19 04:13:25,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:25,247 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:13:25,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 04:13:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:13:25,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:13:25,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 04:13:25,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 04:13:25,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 04:13:25,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 04:13:25,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 04:13:25,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 04:13:25,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 04:13:25,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 04:13:25,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 04:13:25,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:13:25,305 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 04:13:25,305 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 04:13:25,305 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 04:13:25,305 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 04:13:25,306 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2023-11-19 04:13:25,306 INFO L902 garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: true [2023-11-19 04:13:25,306 INFO L899 garLoopResultBuilder]: For program point L1654-1(line 1654) no Hoare annotation was computed. [2023-11-19 04:13:25,306 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2023-11-19 04:13:25,306 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1583) no Hoare annotation was computed. [2023-11-19 04:13:25,307 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1548 1585) no Hoare annotation was computed. [2023-11-19 04:13:25,307 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-19 04:13:25,307 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2023-11-19 04:13:25,307 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|) [2023-11-19 04:13:25,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-19 04:13:25,308 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1603) no Hoare annotation was computed. [2023-11-19 04:13:25,308 INFO L899 garLoopResultBuilder]: For program point L1590-2(lines 1587 1619) no Hoare annotation was computed. [2023-11-19 04:13:25,308 INFO L895 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) [2023-11-19 04:13:25,309 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:13:25,309 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1582) no Hoare annotation was computed. [2023-11-19 04:13:25,309 INFO L899 garLoopResultBuilder]: For program point L1624(lines 1624 1631) no Hoare annotation was computed. [2023-11-19 04:13:25,309 INFO L899 garLoopResultBuilder]: For program point L1624-1(lines 1621 1640) no Hoare annotation was computed. [2023-11-19 04:13:25,309 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1657) no Hoare annotation was computed. [2023-11-19 04:13:25,309 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1616) no Hoare annotation was computed. [2023-11-19 04:13:25,310 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822) [2023-11-19 04:13:25,310 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1594 1601) no Hoare annotation was computed. [2023-11-19 04:13:25,310 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2023-11-19 04:13:25,310 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2023-11-19 04:13:25,310 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2023-11-19 04:13:25,311 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2023-11-19 04:13:25,311 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: false [2023-11-19 04:13:25,311 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed. [2023-11-19 04:13:25,311 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1585) no Hoare annotation was computed. [2023-11-19 04:13:25,312 INFO L899 garLoopResultBuilder]: For program point L1610(line 1610) no Hoare annotation was computed. [2023-11-19 04:13:25,312 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2023-11-19 04:13:25,312 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2023-11-19 04:13:25,312 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2023-11-19 04:13:25,312 INFO L902 garLoopResultBuilder]: At program point L1668(line 1668) the Hoare annotation is: true [2023-11-19 04:13:25,313 INFO L899 garLoopResultBuilder]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2023-11-19 04:13:25,313 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:13:25,313 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2023-11-19 04:13:25,313 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1601) no Hoare annotation was computed. [2023-11-19 04:13:25,313 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1619) no Hoare annotation was computed. [2023-11-19 04:13:25,314 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822)) [2023-11-19 04:13:25,314 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-19 04:13:25,314 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2023-11-19 04:13:25,314 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2023-11-19 04:13:25,315 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2023-11-19 04:13:25,315 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) [2023-11-19 04:13:25,315 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2023-11-19 04:13:25,315 INFO L899 garLoopResultBuilder]: For program point L1653(line 1653) no Hoare annotation was computed. [2023-11-19 04:13:25,315 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1640) no Hoare annotation was computed. [2023-11-19 04:13:25,315 INFO L899 garLoopResultBuilder]: For program point L1653-1(line 1653) no Hoare annotation was computed. [2023-11-19 04:13:25,316 INFO L899 garLoopResultBuilder]: For program point L1645-2(lines 1642 1657) no Hoare annotation was computed. [2023-11-19 04:13:25,316 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2023-11-19 04:13:25,316 INFO L902 garLoopResultBuilder]: At program point L1670(line 1670) the Hoare annotation is: true [2023-11-19 04:13:25,316 INFO L895 garLoopResultBuilder]: At program point L1637(line 1637) the Hoare annotation is: (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) [2023-11-19 04:13:25,317 INFO L899 garLoopResultBuilder]: For program point L1670-1(line 1670) no Hoare annotation was computed. [2023-11-19 04:13:25,317 INFO L899 garLoopResultBuilder]: For program point L1637-1(line 1637) no Hoare annotation was computed. [2023-11-19 04:13:25,320 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:25,323 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:13:25,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:13:25 BoogieIcfgContainer [2023-11-19 04:13:25,328 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:13:25,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:13:25,329 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:13:25,329 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:13:25,330 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:23" (3/4) ... [2023-11-19 04:13:25,332 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:13:25,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 04:13:25,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 04:13:25,342 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 04:13:25,343 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 04:13:25,343 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:13:25,344 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:13:25,344 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:13:25,450 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:13:25,451 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:13:25,451 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:13:25,452 INFO L158 Benchmark]: Toolchain (without parser) took 3992.39ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 118.2MB in the beginning and 126.5MB in the end (delta: -8.2MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2023-11-19 04:13:25,453 INFO L158 Benchmark]: CDTParser took 1.11ms. Allocated memory is still 167.8MB. Free memory was 138.8MB in the beginning and 138.6MB in the end (delta: 161.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:13:25,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1423.76ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 117.9MB in the beginning and 181.4MB in the end (delta: -63.6MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2023-11-19 04:13:25,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.04ms. Allocated memory is still 226.5MB. Free memory was 181.4MB in the beginning and 178.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:13:25,454 INFO L158 Benchmark]: Boogie Preprocessor took 50.76ms. Allocated memory is still 226.5MB. Free memory was 178.2MB in the beginning and 175.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:13:25,454 INFO L158 Benchmark]: RCFGBuilder took 534.23ms. Allocated memory is still 226.5MB. Free memory was 175.3MB in the beginning and 156.3MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:13:25,455 INFO L158 Benchmark]: TraceAbstraction took 1775.13ms. Allocated memory is still 226.5MB. Free memory was 155.2MB in the beginning and 132.8MB in the end (delta: 22.4MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-11-19 04:13:25,455 INFO L158 Benchmark]: Witness Printer took 122.78ms. Allocated memory is still 226.5MB. Free memory was 132.8MB in the beginning and 126.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:13:25,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11ms. Allocated memory is still 167.8MB. Free memory was 138.8MB in the beginning and 138.6MB in the end (delta: 161.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1423.76ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 117.9MB in the beginning and 181.4MB in the end (delta: -63.6MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.04ms. Allocated memory is still 226.5MB. Free memory was 181.4MB in the beginning and 178.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.76ms. Allocated memory is still 226.5MB. Free memory was 178.2MB in the beginning and 175.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.23ms. Allocated memory is still 226.5MB. Free memory was 175.3MB in the beginning and 156.3MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1775.13ms. Allocated memory is still 226.5MB. Free memory was 155.2MB in the beginning and 132.8MB in the end (delta: 22.4MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Witness Printer took 122.78ms. Allocated memory is still 226.5MB. Free memory was 132.8MB in the beginning and 126.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 58 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 611 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 251 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 360 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 39 PreInvPairs, 47 NumberOfFragments, 36 HoareAnnotationTreeSize, 39 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 04:13:25,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a34fbdc-f4b4-4e77-a469-566e4b8f8065/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE