./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_13_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_13_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX --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 dd9f3f963ecb59b9e2449a5cef1091ee3afa2a01ef1c6d00e4b98849cbe2d4e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:14:00,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:14:00,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 00:14:00,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:14:00,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:14:00,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:14:00,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:14:00,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:14:00,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:14:00,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:14:00,972 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:14:00,973 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:14:00,974 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:14:00,976 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:14:00,977 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:14:00,977 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:14:00,978 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:14:00,978 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:14:00,983 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:14:00,984 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:14:00,984 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:14:00,985 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:14:00,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:14:00,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:14:00,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:14:00,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:14:00,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:14:00,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:14:00,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:14:00,989 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:14:00,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:14:00,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:14:00,991 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:14:00,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:14:00,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:14:00,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:00,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:14:00,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:14:00,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:14:00,993 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:14:00,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:14:00,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:14:00,994 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:14:00,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:14:00,995 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_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd9f3f963ecb59b9e2449a5cef1091ee3afa2a01ef1c6d00e4b98849cbe2d4e4 [2023-11-12 00:14:01,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:14:01,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:14:01,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:14:01,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:14:01,348 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:14:01,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_13_good.i [2023-11-12 00:14:04,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:14:05,052 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:14:05,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_13_good.i [2023-11-12 00:14:05,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/data/6278d8c77/73b2856a0aab403ab4e0c7a1becada2a/FLAGd21c5c449 [2023-11-12 00:14:05,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/data/6278d8c77/73b2856a0aab403ab4e0c7a1becada2a [2023-11-12 00:14:05,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:14:05,121 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:14:05,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:05,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:14:05,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:14:05,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1cbc32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05, skipping insertion in model container [2023-11-12 00:14:05,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:14:05,665 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:14:06,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:06,470 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:14:06,503 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:14:06,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:06,663 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:06,663 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:06,664 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:06,664 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:06,664 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:06,664 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:06,673 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:14:06,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06 WrapperNode [2023-11-12 00:14:06,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:06,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:06,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:14:06,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:14:06,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2023-11-12 00:14:06,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2023-11-12 00:14:06,775 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 116 [2023-11-12 00:14:06,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:06,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:14:06,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:14:06,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:14:06,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2023-11-12 00:14:06,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2023-11-12 00:14:06,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2023-11-12 00:14:06,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2023-11-12 00:14:06,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2023-11-12 00:14:06,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2023-11-12 00:14:06,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2023-11-12 00:14:06,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2023-11-12 00:14:06,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:14:06,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:14:06,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:14:06,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:14:06,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2023-11-12 00:14:06,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:06,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:06,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:14:06,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:14:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 00:14:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 00:14:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:14:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:14:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:14:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:14:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:14:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:14:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:14:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:14:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:14:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:14:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:14:07,102 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:14:07,105 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:14:07,428 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:07,521 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:07,521 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:14:07,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:07 BoogieIcfgContainer [2023-11-12 00:14:07,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:07,529 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:07,529 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:07,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:07,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:14:05" (1/3) ... [2023-11-12 00:14:07,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b50620e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:07, skipping insertion in model container [2023-11-12 00:14:07,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (2/3) ... [2023-11-12 00:14:07,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b50620e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:07, skipping insertion in model container [2023-11-12 00:14:07,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:07" (3/3) ... [2023-11-12 00:14:07,539 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_13_good.i [2023-11-12 00:14:07,558 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:07,558 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-12 00:14:07,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:14:07,627 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;@4c640a00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:14:07,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-12 00:14:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.605263157894737) internal successors, (61), 52 states have internal predecessors, (61), 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) [2023-11-12 00:14:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:14:07,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:07,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:07,643 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)] === [2023-11-12 00:14:07,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:07,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1526278935, now seen corresponding path program 1 times [2023-11-12 00:14:07,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:07,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819257611] [2023-11-12 00:14:07,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:07,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:08,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:14:08,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:08,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819257611] [2023-11-12 00:14:08,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819257611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:08,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:08,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:14:08,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792825044] [2023-11-12 00:14:08,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:08,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:08,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:08,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:08,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:08,058 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.605263157894737) internal successors, (61), 52 states have internal predecessors, (61), 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 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2023-11-12 00:14:08,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:08,156 INFO L93 Difference]: Finished difference Result 113 states and 155 transitions. [2023-11-12 00:14:08,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:14:08,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 [2023-11-12 00:14:08,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:08,167 INFO L225 Difference]: With dead ends: 113 [2023-11-12 00:14:08,168 INFO L226 Difference]: Without dead ends: 53 [2023-11-12 00:14:08,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:08,178 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 71 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:14:08,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 61 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:14:08,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-12 00:14:08,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-12 00:14:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.4) internal successors, (49), 46 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) [2023-11-12 00:14:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2023-11-12 00:14:08,240 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 10 [2023-11-12 00:14:08,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:08,241 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2023-11-12 00:14:08,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-12 00:14:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-12 00:14:08,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:14:08,246 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:08,247 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:08,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:14:08,252 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)] === [2023-11-12 00:14:08,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:08,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1473034706, now seen corresponding path program 1 times [2023-11-12 00:14:08,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:08,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003914419] [2023-11-12 00:14:08,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:08,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:08,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:14:08,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:08,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003914419] [2023-11-12 00:14:08,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003914419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:08,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:08,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:14:08,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765074768] [2023-11-12 00:14:08,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:08,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:08,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:08,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:08,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:08,412 INFO L87 Difference]: Start difference. First operand 53 states and 65 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) [2023-11-12 00:14:08,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:08,445 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2023-11-12 00:14:08,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:14:08,446 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 [2023-11-12 00:14:08,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:08,447 INFO L225 Difference]: With dead ends: 54 [2023-11-12 00:14:08,448 INFO L226 Difference]: Without dead ends: 53 [2023-11-12 00:14:08,448 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 [2023-11-12 00:14:08,450 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 5 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:14:08,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 103 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:14:08,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-12 00:14:08,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2023-11-12 00:14:08,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 45 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) [2023-11-12 00:14:08,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2023-11-12 00:14:08,461 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 12 [2023-11-12 00:14:08,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:08,461 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions. [2023-11-12 00:14:08,462 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) [2023-11-12 00:14:08,462 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-11-12 00:14:08,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:14:08,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:08,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:08,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:14:08,464 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)] === [2023-11-12 00:14:08,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:08,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1580564296, now seen corresponding path program 1 times [2023-11-12 00:14:08,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:08,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121265247] [2023-11-12 00:14:08,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:08,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:08,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:14:08,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:08,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121265247] [2023-11-12 00:14:08,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121265247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:08,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:08,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:14:08,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454719910] [2023-11-12 00:14:08,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:08,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:08,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:08,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:08,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:08,532 INFO L87 Difference]: Start difference. First operand 52 states and 64 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) [2023-11-12 00:14:08,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:08,568 INFO L93 Difference]: Finished difference Result 94 states and 114 transitions. [2023-11-12 00:14:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:14:08,569 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 [2023-11-12 00:14:08,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:08,570 INFO L225 Difference]: With dead ends: 94 [2023-11-12 00:14:08,571 INFO L226 Difference]: Without dead ends: 56 [2023-11-12 00:14:08,571 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 [2023-11-12 00:14:08,573 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 7 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:14:08,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 104 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:14:08,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-12 00:14:08,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2023-11-12 00:14:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 47 states have internal predecessors, (52), 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) [2023-11-12 00:14:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2023-11-12 00:14:08,584 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 13 [2023-11-12 00:14:08,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:08,585 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2023-11-12 00:14:08,585 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) [2023-11-12 00:14:08,585 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2023-11-12 00:14:08,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:14:08,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:08,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:08,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:14:08,587 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)] === [2023-11-12 00:14:08,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:08,588 INFO L85 PathProgramCache]: Analyzing trace with hash 726229100, now seen corresponding path program 1 times [2023-11-12 00:14:08,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:08,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135769867] [2023-11-12 00:14:08,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:08,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:08,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:14:08,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:08,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135769867] [2023-11-12 00:14:08,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135769867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:08,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:08,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:14:08,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90209971] [2023-11-12 00:14:08,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:08,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:08,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:08,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:08,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:08,662 INFO L87 Difference]: Start difference. First operand 55 states and 68 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) [2023-11-12 00:14:08,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:08,692 INFO L93 Difference]: Finished difference Result 56 states and 69 transitions. [2023-11-12 00:14:08,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:14:08,694 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 [2023-11-12 00:14:08,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:08,697 INFO L225 Difference]: With dead ends: 56 [2023-11-12 00:14:08,697 INFO L226 Difference]: Without dead ends: 55 [2023-11-12 00:14:08,697 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 [2023-11-12 00:14:08,699 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 5 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:14:08,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 99 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:14:08,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-12 00:14:08,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2023-11-12 00:14:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 46 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) [2023-11-12 00:14:08,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2023-11-12 00:14:08,709 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 18 [2023-11-12 00:14:08,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:08,710 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2023-11-12 00:14:08,710 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) [2023-11-12 00:14:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-12 00:14:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:14:08,711 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:08,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:08,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:14:08,712 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)] === [2023-11-12 00:14:08,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:08,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1038265731, now seen corresponding path program 1 times [2023-11-12 00:14:08,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:08,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563351314] [2023-11-12 00:14:08,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:08,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:08,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:14:08,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:08,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563351314] [2023-11-12 00:14:08,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563351314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:08,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:08,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:14:08,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756281049] [2023-11-12 00:14:08,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:08,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:08,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:08,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:08,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:08,858 INFO L87 Difference]: Start difference. First operand 54 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) [2023-11-12 00:14:08,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:08,914 INFO L93 Difference]: Finished difference Result 81 states and 96 transitions. [2023-11-12 00:14:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:14:08,915 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 [2023-11-12 00:14:08,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:08,917 INFO L225 Difference]: With dead ends: 81 [2023-11-12 00:14:08,917 INFO L226 Difference]: Without dead ends: 58 [2023-11-12 00:14:08,918 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 [2023-11-12 00:14:08,923 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 7 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:14:08,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 100 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:14:08,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-12 00:14:08,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2023-11-12 00:14:08,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 48 states have internal predecessors, (55), 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) [2023-11-12 00:14:08,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2023-11-12 00:14:08,943 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 19 [2023-11-12 00:14:08,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:08,943 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2023-11-12 00:14:08,943 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) [2023-11-12 00:14:08,944 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2023-11-12 00:14:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:14:08,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:08,945 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] [2023-11-12 00:14:08,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 00:14:08,946 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)] === [2023-11-12 00:14:08,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:08,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1786744041, now seen corresponding path program 1 times [2023-11-12 00:14:08,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:08,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780684707] [2023-11-12 00:14:08,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:08,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:09,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:14:09,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:09,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780684707] [2023-11-12 00:14:09,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780684707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:09,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:09,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:14:09,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909022239] [2023-11-12 00:14:09,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:09,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:09,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:09,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:09,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:09,081 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-12 00:14:09,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:09,124 INFO L93 Difference]: Finished difference Result 64 states and 77 transitions. [2023-11-12 00:14:09,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:14:09,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 21 [2023-11-12 00:14:09,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:09,128 INFO L225 Difference]: With dead ends: 64 [2023-11-12 00:14:09,128 INFO L226 Difference]: Without dead ends: 55 [2023-11-12 00:14:09,129 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 [2023-11-12 00:14:09,134 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 3 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:14:09,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 97 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:14:09,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-12 00:14:09,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-12 00:14:09,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 46 states have internal predecessors, (52), 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) [2023-11-12 00:14:09,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2023-11-12 00:14:09,146 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 21 [2023-11-12 00:14:09,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:09,146 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2023-11-12 00:14:09,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-12 00:14:09,147 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2023-11-12 00:14:09,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-12 00:14:09,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:09,154 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, 1, 1, 1] [2023-11-12 00:14:09,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 00:14:09,155 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)] === [2023-11-12 00:14:09,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:09,156 INFO L85 PathProgramCache]: Analyzing trace with hash -709723109, now seen corresponding path program 1 times [2023-11-12 00:14:09,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:09,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126817369] [2023-11-12 00:14:09,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:09,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:09,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:14:09,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:09,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126817369] [2023-11-12 00:14:09,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126817369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:09,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:09,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:14:09,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79387154] [2023-11-12 00:14:09,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:09,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:09,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:09,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:09,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:09,258 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2023-11-12 00:14:09,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:09,285 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2023-11-12 00:14:09,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:14:09,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 30 [2023-11-12 00:14:09,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:09,287 INFO L225 Difference]: With dead ends: 55 [2023-11-12 00:14:09,287 INFO L226 Difference]: Without dead ends: 54 [2023-11-12 00:14:09,288 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 [2023-11-12 00:14:09,291 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:14:09,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 101 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:14:09,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-12 00:14:09,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-12 00:14:09,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 43 states have (on average 1.186046511627907) internal successors, (51), 45 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) [2023-11-12 00:14:09,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2023-11-12 00:14:09,310 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 30 [2023-11-12 00:14:09,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:09,311 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2023-11-12 00:14:09,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2023-11-12 00:14:09,312 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-12 00:14:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-12 00:14:09,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:09,313 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, 1, 1, 1, 1] [2023-11-12 00:14:09,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 00:14:09,313 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 00:14:09,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:09,314 INFO L85 PathProgramCache]: Analyzing trace with hash -526579733, now seen corresponding path program 1 times [2023-11-12 00:14:09,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:09,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985730475] [2023-11-12 00:14:09,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:09,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:14:09,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:09,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985730475] [2023-11-12 00:14:09,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985730475] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:09,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:09,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:14:09,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15457852] [2023-11-12 00:14:09,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:09,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:14:09,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:09,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:14:09,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:14:09,500 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-11-12 00:14:09,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:09,560 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2023-11-12 00:14:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:14:09,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 31 [2023-11-12 00:14:09,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:09,563 INFO L225 Difference]: With dead ends: 54 [2023-11-12 00:14:09,563 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:14:09,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:14:09,566 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 34 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 86 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 [2023-11-12 00:14:09,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 86 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:14:09,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:14:09,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:14:09,567 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) [2023-11-12 00:14:09,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:14:09,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2023-11-12 00:14:09,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:09,568 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:14:09,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-11-12 00:14:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:14:09,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:14:09,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-12 00:14:09,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-12 00:14:09,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-12 00:14:09,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-12 00:14:09,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-12 00:14:09,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-12 00:14:09,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-12 00:14:09,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-12 00:14:09,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 00:14:09,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:14:09,636 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-12 00:14:09,637 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-12 00:14:09,637 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-12 00:14:09,638 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-12 00:14:09,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2023-11-12 00:14:09,638 INFO L895 garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: (= 5 ~GLOBAL_CONST_FIVE~0) [2023-11-12 00:14:09,638 INFO L899 garLoopResultBuilder]: For program point L1654-1(line 1654) no Hoare annotation was computed. [2023-11-12 00:14:09,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2023-11-12 00:14:09,638 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1583) no Hoare annotation was computed. [2023-11-12 00:14:09,639 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1548 1585) no Hoare annotation was computed. [2023-11-12 00:14:09,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-12 00:14:09,641 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2023-11-12 00:14:09,641 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (and (= 5 ~GLOBAL_CONST_FIVE~0) (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2023-11-12 00:14:09,641 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1617) no Hoare annotation was computed. [2023-11-12 00:14:09,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-12 00:14:09,642 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1603) no Hoare annotation was computed. [2023-11-12 00:14:09,642 INFO L899 garLoopResultBuilder]: For program point L1590-2(lines 1587 1619) no Hoare annotation was computed. [2023-11-12 00:14:09,642 INFO L895 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: (and (= 5 ~GLOBAL_CONST_FIVE~0) (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2023-11-12 00:14:09,642 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:14:09,642 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1582) no Hoare annotation was computed. [2023-11-12 00:14:09,642 INFO L899 garLoopResultBuilder]: For program point L1624(lines 1624 1631) no Hoare annotation was computed. [2023-11-12 00:14:09,642 INFO L899 garLoopResultBuilder]: For program point L1624-1(lines 1621 1640) no Hoare annotation was computed. [2023-11-12 00:14:09,643 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1657) no Hoare annotation was computed. [2023-11-12 00:14:09,643 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1616) no Hoare annotation was computed. [2023-11-12 00:14:09,643 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (= 5 ~GLOBAL_CONST_FIVE~0) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822)) [2023-11-12 00:14:09,643 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1594 1601) no Hoare annotation was computed. [2023-11-12 00:14:09,643 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2023-11-12 00:14:09,643 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2023-11-12 00:14:09,643 INFO L899 garLoopResultBuilder]: For program point L1634(lines 1634 1638) no Hoare annotation was computed. [2023-11-12 00:14:09,644 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2023-11-12 00:14:09,644 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2023-11-12 00:14:09,644 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: false [2023-11-12 00:14:09,644 INFO L899 garLoopResultBuilder]: For program point L1651(lines 1651 1655) no Hoare annotation was computed. [2023-11-12 00:14:09,644 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed. [2023-11-12 00:14:09,644 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1585) no Hoare annotation was computed. [2023-11-12 00:14:09,644 INFO L899 garLoopResultBuilder]: For program point L1610(line 1610) no Hoare annotation was computed. [2023-11-12 00:14:09,645 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (= 5 ~GLOBAL_CONST_FIVE~0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2023-11-12 00:14:09,645 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2023-11-12 00:14:09,645 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2023-11-12 00:14:09,645 INFO L895 garLoopResultBuilder]: At program point L1668(line 1668) the Hoare annotation is: (= 5 ~GLOBAL_CONST_FIVE~0) [2023-11-12 00:14:09,645 INFO L899 garLoopResultBuilder]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2023-11-12 00:14:09,645 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:14:09,645 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2023-11-12 00:14:09,646 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1601) no Hoare annotation was computed. [2023-11-12 00:14:09,646 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1619) no Hoare annotation was computed. [2023-11-12 00:14:09,646 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (and (= 5 ~GLOBAL_CONST_FIVE~0) (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822)) [2023-11-12 00:14:09,646 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-12 00:14:09,646 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2023-11-12 00:14:09,647 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2023-11-12 00:14:09,647 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2023-11-12 00:14:09,647 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (= 5 ~GLOBAL_CONST_FIVE~0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822)) [2023-11-12 00:14:09,647 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2023-11-12 00:14:09,647 INFO L899 garLoopResultBuilder]: For program point L1653(line 1653) no Hoare annotation was computed. [2023-11-12 00:14:09,647 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1640) no Hoare annotation was computed. [2023-11-12 00:14:09,647 INFO L899 garLoopResultBuilder]: For program point L1653-1(line 1653) no Hoare annotation was computed. [2023-11-12 00:14:09,648 INFO L899 garLoopResultBuilder]: For program point L1645-2(lines 1642 1657) no Hoare annotation was computed. [2023-11-12 00:14:09,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2023-11-12 00:14:09,648 INFO L895 garLoopResultBuilder]: At program point L1670(line 1670) the Hoare annotation is: (= 5 ~GLOBAL_CONST_FIVE~0) [2023-11-12 00:14:09,648 INFO L895 garLoopResultBuilder]: At program point L1637(line 1637) the Hoare annotation is: (and (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (= 5 ~GLOBAL_CONST_FIVE~0)) [2023-11-12 00:14:09,648 INFO L899 garLoopResultBuilder]: For program point L1670-1(line 1670) no Hoare annotation was computed. [2023-11-12 00:14:09,648 INFO L899 garLoopResultBuilder]: For program point L1637-1(line 1637) no Hoare annotation was computed. [2023-11-12 00:14:09,652 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:09,655 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:14:09,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:14:09 BoogieIcfgContainer [2023-11-12 00:14:09,665 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:14:09,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:14:09,666 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:14:09,666 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:14:09,666 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:07" (3/4) ... [2023-11-12 00:14:09,668 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:14:09,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-12 00:14:09,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-12 00:14:09,682 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-12 00:14:09,682 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-12 00:14:09,683 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:14:09,683 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:14:09,684 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:14:09,801 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:14:09,802 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:14:09,802 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:14:09,803 INFO L158 Benchmark]: Toolchain (without parser) took 4681.65ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 101.6MB in the beginning and 84.2MB in the end (delta: 17.4MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2023-11-12 00:14:09,803 INFO L158 Benchmark]: CDTParser took 1.17ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 25.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:14:09,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1549.61ms. Allocated memory is still 148.9MB. Free memory was 101.6MB in the beginning and 76.9MB in the end (delta: 24.7MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-11-12 00:14:09,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.02ms. Allocated memory is still 148.9MB. Free memory was 76.9MB in the beginning and 74.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:14:09,805 INFO L158 Benchmark]: Boogie Preprocessor took 30.56ms. Allocated memory is still 148.9MB. Free memory was 74.1MB in the beginning and 72.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:14:09,805 INFO L158 Benchmark]: RCFGBuilder took 719.05ms. Allocated memory is still 148.9MB. Free memory was 72.0MB in the beginning and 116.4MB in the end (delta: -44.4MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-12 00:14:09,806 INFO L158 Benchmark]: TraceAbstraction took 2136.31ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 115.4MB in the beginning and 90.6MB in the end (delta: 24.9MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2023-11-12 00:14:09,806 INFO L158 Benchmark]: Witness Printer took 136.77ms. Allocated memory is still 195.0MB. Free memory was 90.6MB in the beginning and 84.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:14:09,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 25.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1549.61ms. Allocated memory is still 148.9MB. Free memory was 101.6MB in the beginning and 76.9MB in the end (delta: 24.7MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.02ms. Allocated memory is still 148.9MB. Free memory was 76.9MB in the beginning and 74.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.56ms. Allocated memory is still 148.9MB. Free memory was 74.1MB in the beginning and 72.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 719.05ms. Allocated memory is still 148.9MB. Free memory was 72.0MB in the beginning and 116.4MB in the end (delta: -44.4MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2136.31ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 115.4MB in the beginning and 90.6MB in the end (delta: 24.9MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Witness Printer took 136.77ms. Allocated memory is still 195.0MB. Free memory was 90.6MB in the beginning and 84.2MB 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, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 751 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 319 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 432 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 39 PreInvPairs, 47 NumberOfFragments, 68 HoareAnnotationTreeSize, 39 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2023-11-12 00:14:09,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc743940-00aa-4ca8-9956-0792a34ac25f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE