./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh --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 4f4ea1029a8d06fe97f9acef243295501e768b5a8de8e6cf8e2bd2e13e9f8986 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:18:49,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:18:49,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-12-02 17:18:49,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:18:49,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:18:49,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:18:49,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:18:49,475 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:18:49,476 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:18:49,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:18:49,477 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:18:49,477 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:18:49,478 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:18:49,478 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:18:49,479 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:18:49,479 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:18:49,480 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:18:49,480 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:18:49,481 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:18:49,481 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:18:49,482 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:18:49,483 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:18:49,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:18:49,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:18:49,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:18:49,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:18:49,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:18:49,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:18:49,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:18:49,495 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 17:18:49,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:18:49,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:18:49,496 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:18:49,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:18:49,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:18:49,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:18:49,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:18:49,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:18:49,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:18:49,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:18:49,498 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:18:49,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:18:49,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:18:49,498 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:18:49,498 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:18:49,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:18:49,499 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_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f4ea1029a8d06fe97f9acef243295501e768b5a8de8e6cf8e2bd2e13e9f8986 [2023-12-02 17:18:49,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:18:49,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:18:49,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:18:49,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:18:49,774 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:18:49,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_21_good.i [2023-12-02 17:18:52,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:18:52,795 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:18:52,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_21_good.i [2023-12-02 17:18:52,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/data/1fb9d9f1b/9f237d25125d48aa8fbf137c9a8e7f84/FLAGd8a1f5b73 [2023-12-02 17:18:52,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/data/1fb9d9f1b/9f237d25125d48aa8fbf137c9a8e7f84 [2023-12-02 17:18:52,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:18:52,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:18:52,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:18:52,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:18:52,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:18:52,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:18:52" (1/1) ... [2023-12-02 17:18:52,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e530a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:52, skipping insertion in model container [2023-12-02 17:18:52,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:18:52" (1/1) ... [2023-12-02 17:18:52,899 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:18:53,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:18:53,624 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:18:53,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:18:53,852 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:18:53,853 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:18:53,853 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:18:53,853 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:18:53,862 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:18:53,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53 WrapperNode [2023-12-02 17:18:53,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:18:53,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:18:53,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:18:53,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:18:53,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53" (1/1) ... [2023-12-02 17:18:53,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53" (1/1) ... [2023-12-02 17:18:53,922 INFO L138 Inliner]: procedures = 504, calls = 79, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 104 [2023-12-02 17:18:53,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:18:53,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:18:53,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:18:53,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:18:53,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53" (1/1) ... [2023-12-02 17:18:53,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53" (1/1) ... [2023-12-02 17:18:53,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53" (1/1) ... [2023-12-02 17:18:53,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53" (1/1) ... [2023-12-02 17:18:53,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53" (1/1) ... [2023-12-02 17:18:53,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53" (1/1) ... [2023-12-02 17:18:53,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53" (1/1) ... [2023-12-02 17:18:53,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53" (1/1) ... [2023-12-02 17:18:53,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:18:53,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:18:53,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:18:53,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:18:53,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53" (1/1) ... [2023-12-02 17:18:53,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:18:53,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:18:53,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:18:53,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:18:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 17:18:54,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 17:18:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 17:18:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 17:18:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 17:18:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 17:18:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:18:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:18:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:18:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 17:18:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 17:18:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 17:18:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:18:54,153 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:18:54,155 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:18:54,311 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:18:54,357 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:18:54,357 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 17:18:54,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:18:54 BoogieIcfgContainer [2023-12-02 17:18:54,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:18:54,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:18:54,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:18:54,365 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:18:54,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:18:52" (1/3) ... [2023-12-02 17:18:54,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1132e65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:18:54, skipping insertion in model container [2023-12-02 17:18:54,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:53" (2/3) ... [2023-12-02 17:18:54,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1132e65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:18:54, skipping insertion in model container [2023-12-02 17:18:54,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:18:54" (3/3) ... [2023-12-02 17:18:54,367 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_multiply_21_good.i [2023-12-02 17:18:54,381 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:18:54,381 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-12-02 17:18:54,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:18:54,424 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;@1fc4dc7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:18:54,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-12-02 17:18:54,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 28 states have (on average 1.5) internal successors, (42), 34 states have internal predecessors, (42), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 17:18:54,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 17:18:54,433 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:18:54,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:18:54,434 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 17:18:54,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:18:54,439 INFO L85 PathProgramCache]: Analyzing trace with hash -70953668, now seen corresponding path program 1 times [2023-12-02 17:18:54,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:18:54,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637615153] [2023-12-02 17:18:54,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:18:54,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:18:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:18:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:18:54,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:18:54,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637615153] [2023-12-02 17:18:54,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637615153] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:18:54,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:18:54,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:18:54,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91715854] [2023-12-02 17:18:54,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:18:54,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:18:54,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:18:54,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:18:54,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:18:54,724 INFO L87 Difference]: Start difference. First operand has 45 states, 28 states have (on average 1.5) internal successors, (42), 34 states have internal predecessors, (42), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:18:54,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:18:54,804 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2023-12-02 17:18:54,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:18:54,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-12-02 17:18:54,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:18:54,814 INFO L225 Difference]: With dead ends: 46 [2023-12-02 17:18:54,814 INFO L226 Difference]: Without dead ends: 39 [2023-12-02 17:18:54,817 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 [2023-12-02 17:18:54,820 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 6 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:18:54,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 83 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:18:54,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-12-02 17:18:54,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2023-12-02 17:18:54,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.4) internal successors, (35), 29 states have internal predecessors, (35), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:18:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2023-12-02 17:18:54,853 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 9 [2023-12-02 17:18:54,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:18:54,855 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2023-12-02 17:18:54,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:18:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-12-02 17:18:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 17:18:54,856 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:18:54,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:18:54,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:18:54,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 17:18:54,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:18:54,858 INFO L85 PathProgramCache]: Analyzing trace with hash 2095403649, now seen corresponding path program 1 times [2023-12-02 17:18:54,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:18:54,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298101354] [2023-12-02 17:18:54,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:18:54,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:18:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:18:54,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:18:54,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:18:54,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298101354] [2023-12-02 17:18:54,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298101354] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:18:54,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:18:54,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:18:54,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27446685] [2023-12-02 17:18:54,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:18:54,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:18:54,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:18:54,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:18:54,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:18:54,957 INFO L87 Difference]: Start difference. First operand 38 states and 47 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:18:54,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:18:54,987 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2023-12-02 17:18:54,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:18:54,988 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-12-02 17:18:54,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:18:54,989 INFO L225 Difference]: With dead ends: 39 [2023-12-02 17:18:54,989 INFO L226 Difference]: Without dead ends: 38 [2023-12-02 17:18:54,989 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 [2023-12-02 17:18:54,991 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 2 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:18:54,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 71 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:18:54,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-12-02 17:18:55,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2023-12-02 17:18:55,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.36) internal successors, (34), 28 states have internal predecessors, (34), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:18:55,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2023-12-02 17:18:55,002 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 46 transitions. Word has length 10 [2023-12-02 17:18:55,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:18:55,002 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 46 transitions. [2023-12-02 17:18:55,002 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:18:55,003 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-12-02 17:18:55,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 17:18:55,004 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:18:55,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:18:55,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 17:18:55,004 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 17:18:55,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:18:55,005 INFO L85 PathProgramCache]: Analyzing trace with hash -108550027, now seen corresponding path program 1 times [2023-12-02 17:18:55,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:18:55,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650322400] [2023-12-02 17:18:55,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:18:55,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:18:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:18:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:18:55,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:18:55,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650322400] [2023-12-02 17:18:55,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650322400] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:18:55,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:18:55,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:18:55,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768600847] [2023-12-02 17:18:55,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:18:55,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:18:55,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:18:55,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:18:55,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:18:55,102 INFO L87 Difference]: Start difference. First operand 37 states and 46 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:18:55,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:18:55,131 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2023-12-02 17:18:55,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:18:55,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-12-02 17:18:55,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:18:55,132 INFO L225 Difference]: With dead ends: 38 [2023-12-02 17:18:55,133 INFO L226 Difference]: Without dead ends: 37 [2023-12-02 17:18:55,133 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 [2023-12-02 17:18:55,135 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 6 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:18:55,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 64 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:18:55,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-12-02 17:18:55,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2023-12-02 17:18:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.32) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:18:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2023-12-02 17:18:55,143 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 12 [2023-12-02 17:18:55,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:18:55,144 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2023-12-02 17:18:55,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:18:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-12-02 17:18:55,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 17:18:55,145 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:18:55,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:18:55,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 17:18:55,146 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 17:18:55,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:18:55,146 INFO L85 PathProgramCache]: Analyzing trace with hash 952491204, now seen corresponding path program 1 times [2023-12-02 17:18:55,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:18:55,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101019630] [2023-12-02 17:18:55,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:18:55,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:18:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:18:55,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:18:55,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:18:55,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101019630] [2023-12-02 17:18:55,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101019630] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:18:55,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:18:55,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:18:55,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471086757] [2023-12-02 17:18:55,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:18:55,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:18:55,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:18:55,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:18:55,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:18:55,233 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:18:55,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:18:55,257 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2023-12-02 17:18:55,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:18:55,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-12-02 17:18:55,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:18:55,258 INFO L225 Difference]: With dead ends: 47 [2023-12-02 17:18:55,258 INFO L226 Difference]: Without dead ends: 40 [2023-12-02 17:18:55,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:18:55,260 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 22 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:18:55,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 58 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:18:55,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-12-02 17:18:55,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-12-02 17:18:55,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:18:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2023-12-02 17:18:55,269 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 13 [2023-12-02 17:18:55,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:18:55,270 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2023-12-02 17:18:55,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:18:55,270 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2023-12-02 17:18:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 17:18:55,271 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:18:55,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:18:55,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 17:18:55,272 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 17:18:55,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:18:55,272 INFO L85 PathProgramCache]: Analyzing trace with hash 929916546, now seen corresponding path program 1 times [2023-12-02 17:18:55,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:18:55,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073754619] [2023-12-02 17:18:55,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:18:55,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:18:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:18:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:18:55,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:18:55,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073754619] [2023-12-02 17:18:55,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073754619] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:18:55,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:18:55,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:18:55,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814758767] [2023-12-02 17:18:55,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:18:55,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:18:55,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:18:55,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:18:55,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:18:55,333 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:18:55,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:18:55,356 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2023-12-02 17:18:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:18:55,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-12-02 17:18:55,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:18:55,358 INFO L225 Difference]: With dead ends: 41 [2023-12-02 17:18:55,358 INFO L226 Difference]: Without dead ends: 40 [2023-12-02 17:18:55,359 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 [2023-12-02 17:18:55,360 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 2 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:18:55,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 66 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:18:55,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-12-02 17:18:55,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2023-12-02 17:18:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:18:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2023-12-02 17:18:55,367 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 13 [2023-12-02 17:18:55,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:18:55,368 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2023-12-02 17:18:55,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:18:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2023-12-02 17:18:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 17:18:55,369 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:18:55,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:18:55,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 17:18:55,369 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 17:18:55,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:18:55,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1220415884, now seen corresponding path program 1 times [2023-12-02 17:18:55,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:18:55,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386812035] [2023-12-02 17:18:55,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:18:55,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:18:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:18:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:18:55,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:18:55,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386812035] [2023-12-02 17:18:55,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386812035] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:18:55,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:18:55,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:18:55,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076876636] [2023-12-02 17:18:55,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:18:55,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:18:55,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:18:55,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:18:55,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:18:55,450 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:18:55,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:18:55,470 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2023-12-02 17:18:55,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:18:55,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-12-02 17:18:55,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:18:55,471 INFO L225 Difference]: With dead ends: 39 [2023-12-02 17:18:55,471 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 17:18:55,471 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 [2023-12-02 17:18:55,472 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:18:55,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 67 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:18:55,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 17:18:55,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 17:18:55,473 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) [2023-12-02 17:18:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 17:18:55,473 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2023-12-02 17:18:55,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:18:55,474 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 17:18:55,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:18:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 17:18:55,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 17:18:55,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-12-02 17:18:55,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-12-02 17:18:55,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-12-02 17:18:55,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-12-02 17:18:55,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-12-02 17:18:55,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-12-02 17:18:55,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 17:18:55,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 17:18:55,514 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-12-02 17:18:55,514 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-12-02 17:18:55,514 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-12-02 17:18:55,514 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-12-02 17:18:55,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1589) no Hoare annotation was computed. [2023-12-02 17:18:55,515 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2023-12-02 17:18:55,515 INFO L899 garLoopResultBuilder]: For program point L1563-1(line 1563) no Hoare annotation was computed. [2023-12-02 17:18:55,515 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1570) no Hoare annotation was computed. [2023-12-02 17:18:55,515 INFO L899 garLoopResultBuilder]: For program point L1559-1(lines 1551 1572) no Hoare annotation was computed. [2023-12-02 17:18:55,515 INFO L902 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: true [2023-12-02 17:18:55,515 INFO L899 garLoopResultBuilder]: For program point L1555-1(line 1555) no Hoare annotation was computed. [2023-12-02 17:18:55,515 INFO L899 garLoopResultBuilder]: For program point L1613(line 1613) no Hoare annotation was computed. [2023-12-02 17:18:55,515 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2023-12-02 17:18:55,516 INFO L899 garLoopResultBuilder]: For program point L1609(lines 1609 1616) no Hoare annotation was computed. [2023-12-02 17:18:55,516 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G1Sink_~data#1|) [2023-12-02 17:18:55,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2023-12-02 17:18:55,516 INFO L899 garLoopResultBuilder]: For program point L1568-1(line 1568) no Hoare annotation was computed. [2023-12-02 17:18:55,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1613) no Hoare annotation was computed. [2023-12-02 17:18:55,516 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G1Sink_~data#1|) (<= |ULTIMATE.start_goodB2G1Sink_~data#1| 1073741822)) [2023-12-02 17:18:55,517 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-12-02 17:18:55,517 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2023-12-02 17:18:55,517 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2023-12-02 17:18:55,517 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1596) no Hoare annotation was computed. [2023-12-02 17:18:55,517 INFO L902 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: true [2023-12-02 17:18:55,517 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1598) no Hoare annotation was computed. [2023-12-02 17:18:55,517 INFO L899 garLoopResultBuilder]: For program point L1614-1(line 1614) no Hoare annotation was computed. [2023-12-02 17:18:55,517 INFO L902 garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: true [2023-12-02 17:18:55,517 INFO L899 garLoopResultBuilder]: For program point L1635-1(line 1635) no Hoare annotation was computed. [2023-12-02 17:18:55,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2023-12-02 17:18:55,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 17:18:55,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1613) no Hoare annotation was computed. [2023-12-02 17:18:55,518 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (and (= ~goodB2G2Static~0 1) (<= 1 |ULTIMATE.start_goodB2G2Sink_~data#1|)) [2023-12-02 17:18:55,518 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1569) no Hoare annotation was computed. [2023-12-02 17:18:55,518 INFO L899 garLoopResultBuilder]: For program point L1594-1(line 1594) no Hoare annotation was computed. [2023-12-02 17:18:55,518 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (and (= ~goodB2G2Static~0 1) (<= 1 |ULTIMATE.start_goodB2G2Sink_~data#1|) (<= |ULTIMATE.start_goodB2G2Sink_~data#1| 1073741822)) [2023-12-02 17:18:55,518 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-12-02 17:18:55,519 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1571) no Hoare annotation was computed. [2023-12-02 17:18:55,519 INFO L899 garLoopResultBuilder]: For program point L1611(lines 1611 1615) no Hoare annotation was computed. [2023-12-02 17:18:55,519 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 17:18:55,519 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1617) no Hoare annotation was computed. [2023-12-02 17:18:55,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1589) no Hoare annotation was computed. [2023-12-02 17:18:55,519 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1595) no Hoare annotation was computed. [2023-12-02 17:18:55,519 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1597) no Hoare annotation was computed. [2023-12-02 17:18:55,519 INFO L902 garLoopResultBuilder]: At program point L1637(line 1637) the Hoare annotation is: true [2023-12-02 17:18:55,519 INFO L899 garLoopResultBuilder]: For program point L1637-1(line 1637) no Hoare annotation was computed. [2023-12-02 17:18:55,523 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-02 17:18:55,525 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:18:55,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:18:55 BoogieIcfgContainer [2023-12-02 17:18:55,529 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:18:55,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:18:55,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:18:55,530 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:18:55,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:18:54" (3/4) ... [2023-12-02 17:18:55,532 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 17:18:55,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 17:18:55,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 17:18:55,541 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-12-02 17:18:55,541 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-12-02 17:18:55,542 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 17:18:55,542 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 17:18:55,633 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 17:18:55,634 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 17:18:55,634 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:18:55,635 INFO L158 Benchmark]: Toolchain (without parser) took 2801.17ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 116.4MB in the beginning and 150.9MB in the end (delta: -34.6MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2023-12-02 17:18:55,635 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:18:55,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1028.16ms. Allocated memory is still 153.1MB. Free memory was 116.4MB in the beginning and 98.9MB in the end (delta: 17.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-12-02 17:18:55,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.17ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 95.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:18:55,636 INFO L158 Benchmark]: Boogie Preprocessor took 30.89ms. Allocated memory is still 153.1MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:18:55,637 INFO L158 Benchmark]: RCFGBuilder took 404.60ms. Allocated memory is still 153.1MB. Free memory was 94.7MB in the beginning and 75.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 17:18:55,637 INFO L158 Benchmark]: TraceAbstraction took 1167.65ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 74.9MB in the beginning and 71.7MB in the end (delta: 3.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-12-02 17:18:55,637 INFO L158 Benchmark]: Witness Printer took 104.40ms. Allocated memory is still 184.5MB. Free memory was 71.7MB in the beginning and 150.9MB in the end (delta: -79.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-12-02 17:18:55,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1028.16ms. Allocated memory is still 153.1MB. Free memory was 116.4MB in the beginning and 98.9MB in the end (delta: 17.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.17ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 95.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.89ms. Allocated memory is still 153.1MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.60ms. Allocated memory is still 153.1MB. Free memory was 94.7MB in the beginning and 75.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1167.65ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 74.9MB in the beginning and 71.7MB in the end (delta: 3.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Witness Printer took 104.40ms. Allocated memory is still 184.5MB. Free memory was 71.7MB in the beginning and 150.9MB in the end (delta: -79.3MB). Peak memory consumption was 6.7MB. 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 409 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 182 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 227 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 16 PreInvPairs, 16 NumberOfFragments, 33 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-02 17:18:55,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4683a2df-f6cc-493d-b6e2-e8ca7ec7dcbe/bin/utaipan-verify-nQ1chXbOIh/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