./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91 --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 ac0a1a6e382dc67c16c6b72d2239e81c389e4f53fb61fde23070e142dd3fc6a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:04:26,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:04:26,722 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-25 00:04:26,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:04:26,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:04:26,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:04:26,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:04:26,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:04:26,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:04:26,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:04:26,759 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:04:26,760 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:04:26,760 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:04:26,761 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:04:26,761 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:04:26,762 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:04:26,762 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:04:26,763 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:04:26,763 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:04:26,764 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:04:26,764 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:04:26,765 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:04:26,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:04:26,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:04:26,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:04:26,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:04:26,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:04:26,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:04:26,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:04:26,769 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:04:26,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:04:26,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:04:26,770 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:04:26,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:04:26,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:04:26,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:04:26,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:04:26,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:04:26,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:04:26,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:04:26,772 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:04:26,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:04:26,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:04:26,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:04:26,773 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:04:26,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:04:26,774 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_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac0a1a6e382dc67c16c6b72d2239e81c389e4f53fb61fde23070e142dd3fc6a0 [2023-11-25 00:04:27,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:04:27,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:04:27,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:04:27,038 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:04:27,038 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:04:27,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i [2023-11-25 00:04:30,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:04:30,554 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:04:30,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i [2023-11-25 00:04:30,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/data/a1844b7ac/58ed28c87a144eb08af0897e666d9c9f/FLAGabd0c3b5a [2023-11-25 00:04:30,620 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/data/a1844b7ac/58ed28c87a144eb08af0897e666d9c9f [2023-11-25 00:04:30,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:04:30,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:04:30,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:04:30,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:04:30,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:04:30,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:04:30" (1/1) ... [2023-11-25 00:04:30,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dffb9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:30, skipping insertion in model container [2023-11-25 00:04:30,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:04:30" (1/1) ... [2023-11-25 00:04:30,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:04:31,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:04:31,726 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:04:31,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:04:32,055 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:04:32,055 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:04:32,055 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:04:32,056 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:04:32,056 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:04:32,064 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:04:32,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32 WrapperNode [2023-11-25 00:04:32,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:04:32,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:04:32,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:04:32,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:04:32,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32" (1/1) ... [2023-11-25 00:04:32,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32" (1/1) ... [2023-11-25 00:04:32,161 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 73 [2023-11-25 00:04:32,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:04:32,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:04:32,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:04:32,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:04:32,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32" (1/1) ... [2023-11-25 00:04:32,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32" (1/1) ... [2023-11-25 00:04:32,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32" (1/1) ... [2023-11-25 00:04:32,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32" (1/1) ... [2023-11-25 00:04:32,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32" (1/1) ... [2023-11-25 00:04:32,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32" (1/1) ... [2023-11-25 00:04:32,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32" (1/1) ... [2023-11-25 00:04:32,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32" (1/1) ... [2023-11-25 00:04:32,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:04:32,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:04:32,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:04:32,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:04:32,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32" (1/1) ... [2023-11-25 00:04:32,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:04:32,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:04:32,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:04:32,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:04:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-25 00:04:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-25 00:04:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-25 00:04:32,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-25 00:04:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:04:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:04:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:04:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-25 00:04:32,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-25 00:04:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:04:32,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:04:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:04:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-25 00:04:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:04:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:04:32,541 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:04:32,544 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:04:32,739 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:04:32,781 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:04:32,781 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:04:32,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:32 BoogieIcfgContainer [2023-11-25 00:04:32,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:04:32,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:04:32,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:04:32,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:04:32,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:04:30" (1/3) ... [2023-11-25 00:04:32,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22626829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:04:32, skipping insertion in model container [2023-11-25 00:04:32,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:32" (2/3) ... [2023-11-25 00:04:32,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22626829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:04:32, skipping insertion in model container [2023-11-25 00:04:32,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:32" (3/3) ... [2023-11-25 00:04:32,792 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i [2023-11-25 00:04:32,811 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:04:32,811 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-25 00:04:32,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:04:32,866 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;@844fbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:04:32,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-25 00:04:32,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 26 states have internal predecessors, (30), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-25 00:04:32,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-25 00:04:32,877 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:32,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:32,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-25 00:04:32,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:32,883 INFO L85 PathProgramCache]: Analyzing trace with hash 2114978995, now seen corresponding path program 1 times [2023-11-25 00:04:32,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:32,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142499314] [2023-11-25 00:04:32,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:32,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:33,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:04:33,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:33,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142499314] [2023-11-25 00:04:33,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142499314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:33,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:33,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:04:33,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967581416] [2023-11-25 00:04:33,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:33,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:04:33,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:33,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:04:33,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:04:33,378 INFO L87 Difference]: Start difference. First operand has 37 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 26 states have internal predecessors, (30), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:04:33,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:33,560 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2023-11-25 00:04:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-25 00:04:33,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-25 00:04:33,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:33,571 INFO L225 Difference]: With dead ends: 61 [2023-11-25 00:04:33,571 INFO L226 Difference]: Without dead ends: 45 [2023-11-25 00:04:33,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:04:33,579 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 48 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:33,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 156 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:04:33,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-25 00:04:33,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2023-11-25 00:04:33,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 32 states have internal predecessors, (39), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-25 00:04:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2023-11-25 00:04:33,624 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 10 [2023-11-25 00:04:33,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:33,626 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2023-11-25 00:04:33,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:04:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2023-11-25 00:04:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-25 00:04:33,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:33,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:33,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:04:33,629 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-25 00:04:33,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:33,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1139131497, now seen corresponding path program 1 times [2023-11-25 00:04:33,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:33,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959926162] [2023-11-25 00:04:33,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:33,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:04:33,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:33,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959926162] [2023-11-25 00:04:33,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959926162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:33,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:33,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:04:33,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449150918] [2023-11-25 00:04:33,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:33,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:04:33,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:33,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:04:33,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:33,738 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:04:33,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:33,781 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2023-11-25 00:04:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:04:33,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-25 00:04:33,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:33,785 INFO L225 Difference]: With dead ends: 43 [2023-11-25 00:04:33,786 INFO L226 Difference]: Without dead ends: 42 [2023-11-25 00:04:33,791 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 [2023-11-25 00:04:33,794 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 4 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:33,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 56 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:04:33,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-25 00:04:33,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2023-11-25 00:04:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 31 states have internal predecessors, (37), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-25 00:04:33,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2023-11-25 00:04:33,815 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 11 [2023-11-25 00:04:33,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:33,816 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2023-11-25 00:04:33,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:04:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2023-11-25 00:04:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-25 00:04:33,820 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:33,820 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:33,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:04:33,821 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-25 00:04:33,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:33,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1139839497, now seen corresponding path program 1 times [2023-11-25 00:04:33,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:33,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903625992] [2023-11-25 00:04:33,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:33,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:33,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:04:33,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:33,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903625992] [2023-11-25 00:04:33,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903625992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:33,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:33,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:04:33,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111296666] [2023-11-25 00:04:33,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:33,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:04:33,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:33,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:04:33,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:33,935 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:04:33,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:33,970 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2023-11-25 00:04:33,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:04:33,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-25 00:04:33,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:33,973 INFO L225 Difference]: With dead ends: 42 [2023-11-25 00:04:33,974 INFO L226 Difference]: Without dead ends: 40 [2023-11-25 00:04:33,975 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 [2023-11-25 00:04:33,976 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:33,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 57 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:04:33,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-25 00:04:33,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2023-11-25 00:04:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 29 states have internal predecessors, (34), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-25 00:04:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2023-11-25 00:04:33,989 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 11 [2023-11-25 00:04:33,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:33,990 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2023-11-25 00:04:33,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:04:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2023-11-25 00:04:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-25 00:04:33,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:33,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:33,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-25 00:04:33,992 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-25 00:04:33,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:33,993 INFO L85 PathProgramCache]: Analyzing trace with hash 953338111, now seen corresponding path program 1 times [2023-11-25 00:04:33,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:33,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855007488] [2023-11-25 00:04:33,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:33,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:04:34,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:34,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855007488] [2023-11-25 00:04:34,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855007488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:34,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:34,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:04:34,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041249599] [2023-11-25 00:04:34,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:34,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:04:34,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:34,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:04:34,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:34,048 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:04:34,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:34,069 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2023-11-25 00:04:34,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:04:34,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-25 00:04:34,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:34,071 INFO L225 Difference]: With dead ends: 40 [2023-11-25 00:04:34,071 INFO L226 Difference]: Without dead ends: 35 [2023-11-25 00:04:34,071 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 [2023-11-25 00:04:34,073 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 4 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:34,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 51 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:04:34,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-25 00:04:34,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2023-11-25 00:04:34,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-25 00:04:34,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2023-11-25 00:04:34,081 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 12 [2023-11-25 00:04:34,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:34,082 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2023-11-25 00:04:34,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:04:34,082 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2023-11-25 00:04:34,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-25 00:04:34,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:34,083 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:34,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-25 00:04:34,084 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-25 00:04:34,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:34,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1993183254, now seen corresponding path program 1 times [2023-11-25 00:04:34,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:34,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408822814] [2023-11-25 00:04:34,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:34,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:04:34,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:34,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408822814] [2023-11-25 00:04:34,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408822814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:34,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:34,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:04:34,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434186253] [2023-11-25 00:04:34,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:34,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:04:34,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:34,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:04:34,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:04:34,233 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-25 00:04:34,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:34,262 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2023-11-25 00:04:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:04:34,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2023-11-25 00:04:34,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:34,268 INFO L225 Difference]: With dead ends: 43 [2023-11-25 00:04:34,268 INFO L226 Difference]: Without dead ends: 25 [2023-11-25 00:04:34,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:04:34,269 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 7 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:34,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 81 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:04:34,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-25 00:04:34,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-25 00:04:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-25 00:04:34,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2023-11-25 00:04:34,275 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 18 [2023-11-25 00:04:34,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:34,275 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2023-11-25 00:04:34,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-25 00:04:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2023-11-25 00:04:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-25 00:04:34,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:34,277 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:34,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-25 00:04:34,277 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-25 00:04:34,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:34,278 INFO L85 PathProgramCache]: Analyzing trace with hash -676740787, now seen corresponding path program 1 times [2023-11-25 00:04:34,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:34,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158248300] [2023-11-25 00:04:34,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:34,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:04:34,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:34,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158248300] [2023-11-25 00:04:34,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158248300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:34,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:34,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-25 00:04:34,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566220611] [2023-11-25 00:04:34,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:34,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:04:34,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:34,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:04:34,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:04:34,384 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-25 00:04:34,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:34,452 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2023-11-25 00:04:34,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-25 00:04:34,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2023-11-25 00:04:34,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:34,454 INFO L225 Difference]: With dead ends: 35 [2023-11-25 00:04:34,454 INFO L226 Difference]: Without dead ends: 25 [2023-11-25 00:04:34,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-25 00:04:34,455 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 17 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:34,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 41 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:04:34,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-25 00:04:34,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-25 00:04:34,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.0) internal successors, (17), 17 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-25 00:04:34,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2023-11-25 00:04:34,461 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 18 [2023-11-25 00:04:34,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:34,461 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2023-11-25 00:04:34,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-25 00:04:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2023-11-25 00:04:34,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-25 00:04:34,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:34,462 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:34,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-25 00:04:34,463 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-25 00:04:34,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:34,463 INFO L85 PathProgramCache]: Analyzing trace with hash -149770875, now seen corresponding path program 1 times [2023-11-25 00:04:34,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:34,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091116084] [2023-11-25 00:04:34,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:34,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:04:34,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:34,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091116084] [2023-11-25 00:04:34,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091116084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:34,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:34,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:04:34,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67420584] [2023-11-25 00:04:34,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:34,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:04:34,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:34,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:04:34,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:04:34,640 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-25 00:04:34,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:34,661 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2023-11-25 00:04:34,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:04:34,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2023-11-25 00:04:34,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:34,662 INFO L225 Difference]: With dead ends: 25 [2023-11-25 00:04:34,662 INFO L226 Difference]: Without dead ends: 0 [2023-11-25 00:04:34,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:04:34,663 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:34,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:04:34,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-25 00:04:34,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-25 00:04:34,665 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) [2023-11-25 00:04:34,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-25 00:04:34,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-11-25 00:04:34,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:34,665 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-25 00:04:34,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-25 00:04:34,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-25 00:04:34,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-25 00:04:34,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-25 00:04:34,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-25 00:04:34,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-25 00:04:34,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-25 00:04:34,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-25 00:04:34,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-25 00:04:34,774 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-25 00:04:34,774 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-25 00:04:34,775 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-25 00:04:34,775 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-25 00:04:34,775 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-25 00:04:34,775 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE191_Integer_Underflow__int_fscanf_multiply_65b_goodB2GSink.base|) (= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_multiply_65b_goodB2GSink.offset|)) [2023-11-25 00:04:34,775 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-25 00:04:34,775 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (and (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| 0) (= (+ |ULTIMATE.start_goodG2B_~data~0#1| 2) 0)) [2023-11-25 00:04:34,776 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1549 1556) no Hoare annotation was computed. [2023-11-25 00:04:34,776 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-25 00:04:34,776 INFO L902 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: true [2023-11-25 00:04:34,776 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2023-11-25 00:04:34,776 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2023-11-25 00:04:34,776 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2023-11-25 00:04:34,776 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (or (and (<= (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_fscanf_multiply_65b_goodB2GSink_~data#1| 1) 0) (<= 0 (+ 2 |##fun~int~TO~VOID_#~101#1|)) (<= 1 |##fun~int~TO~VOID_#in~#fp#1.offset|)) (< (+ 2 |##fun~int~TO~VOID_#in~101#1|) 0)) [2023-11-25 00:04:34,777 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2023-11-25 00:04:34,777 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (or (and (<= (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_fscanf_multiply_65b_goodB2GSink_~data#1| 1) 0) (<= 0 (+ 2 |##fun~int~TO~VOID_#~101#1|)) (<= 0 (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_fscanf_multiply_65b_goodB2GSink_~data#1| 1073741823)) (<= 1 |##fun~int~TO~VOID_#in~#fp#1.offset|)) (< (+ 2 |##fun~int~TO~VOID_#in~101#1|) 0)) [2023-11-25 00:04:34,777 INFO L899 garLoopResultBuilder]: For program point L1594-1(line 1594) no Hoare annotation was computed. [2023-11-25 00:04:34,777 INFO L895 garLoopResultBuilder]: At program point L1584(line 1584) the Hoare annotation is: (or (and (<= |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_fscanf_multiply_65b_goodG2BSink_~data#1| |##fun~int~TO~VOID_#in~101#1|) (<= (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_fscanf_multiply_65b_goodG2BSink_~data#1| 1) 0) (<= |##fun~int~TO~VOID_#~101#1| |##fun~int~TO~VOID_#in~101#1|) (<= 0 (+ 2 |##fun~int~TO~VOID_#~101#1|)) (<= 0 (+ 2 |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_fscanf_multiply_65b_goodG2BSink_~data#1|))) (< (+ 2 |##fun~int~TO~VOID_#in~101#1|) 0)) [2023-11-25 00:04:34,777 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2023-11-25 00:04:34,777 INFO L899 garLoopResultBuilder]: For program point L1584-1(line 1584) no Hoare annotation was computed. [2023-11-25 00:04:34,778 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2023-11-25 00:04:34,778 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2023-11-25 00:04:34,778 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-25 00:04:34,778 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-25 00:04:34,778 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2023-11-25 00:04:34,778 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2023-11-25 00:04:34,778 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2023-11-25 00:04:34,778 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed. [2023-11-25 00:04:34,779 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1600) no Hoare annotation was computed. [2023-11-25 00:04:34,779 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1601) no Hoare annotation was computed. [2023-11-25 00:04:34,779 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2023-11-25 00:04:34,779 INFO L899 garLoopResultBuilder]: For program point L1583(line 1583) no Hoare annotation was computed. [2023-11-25 00:04:34,779 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2023-11-25 00:04:34,779 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2023-11-25 00:04:34,779 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1585) no Hoare annotation was computed. [2023-11-25 00:04:34,779 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1586) no Hoare annotation was computed. [2023-11-25 00:04:34,783 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:34,785 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:04:34,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:04:34 BoogieIcfgContainer [2023-11-25 00:04:34,790 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:04:34,790 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:04:34,790 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:04:34,791 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:04:34,791 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:32" (3/4) ... [2023-11-25 00:04:34,793 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-25 00:04:34,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-25 00:04:34,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-25 00:04:34,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-25 00:04:34,802 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-25 00:04:34,802 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-25 00:04:34,803 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-25 00:04:34,803 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-25 00:04:34,890 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-25 00:04:34,890 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-25 00:04:34,891 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:04:34,891 INFO L158 Benchmark]: Toolchain (without parser) took 4259.60ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 104.5MB in the beginning and 124.3MB in the end (delta: -19.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-25 00:04:34,892 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:04:34,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1430.41ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 104.1MB in the beginning and 131.2MB in the end (delta: -27.0MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2023-11-25 00:04:34,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.01ms. Allocated memory is still 182.5MB. Free memory was 131.2MB in the beginning and 127.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:04:34,893 INFO L158 Benchmark]: Boogie Preprocessor took 37.99ms. Allocated memory is still 182.5MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:04:34,894 INFO L158 Benchmark]: RCFGBuilder took 581.65ms. Allocated memory is still 182.5MB. Free memory was 125.8MB in the beginning and 110.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:04:34,894 INFO L158 Benchmark]: TraceAbstraction took 2004.25ms. Allocated memory is still 182.5MB. Free memory was 109.0MB in the beginning and 129.5MB in the end (delta: -20.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:04:34,895 INFO L158 Benchmark]: Witness Printer took 100.57ms. Allocated memory is still 182.5MB. Free memory was 129.5MB in the beginning and 124.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:04:34,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1430.41ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 104.1MB in the beginning and 131.2MB in the end (delta: -27.0MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.01ms. Allocated memory is still 182.5MB. Free memory was 131.2MB in the beginning and 127.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.99ms. Allocated memory is still 182.5MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.65ms. Allocated memory is still 182.5MB. Free memory was 125.8MB in the beginning and 110.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2004.25ms. Allocated memory is still 182.5MB. Free memory was 109.0MB in the beginning and 129.5MB in the end (delta: -20.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 100.57ms. Allocated memory is still 182.5MB. Free memory was 129.5MB in the beginning and 124.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: 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 4 procedures, 37 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 488 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 301 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 187 mSDtfsCounter, 173 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=1, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 6 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 28 PreInvPairs, 29 NumberOfFragments, 94 HoareAnnotationTreeSize, 28 FomulaSimplifications, 5 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 9/9 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-25 00:04:34,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c9fff0-1c57-457c-be61-8036ba75dc1d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE