./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5b032a96543e605cae418e9bdcd6ea7340c84345f6a85482d9bcf31c6f52e540 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:57:49,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:57:49,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 04:57:49,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:57:49,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:57:49,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:57:49,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:57:49,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:57:49,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:57:49,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:57:49,582 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:57:49,583 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:57:49,583 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:57:49,584 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:57:49,585 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:57:49,585 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:57:49,586 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:57:49,586 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:57:49,587 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:57:49,588 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:57:49,588 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:57:49,589 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:57:49,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:57:49,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:57:49,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:57:49,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:57:49,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:57:49,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:57:49,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:57:49,593 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:57:49,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:57:49,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:57:49,594 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:57:49,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:57:49,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:57:49,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:49,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:57:49,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:57:49,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:57:49,597 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:57:49,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:57:49,597 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:57:49,598 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:57:49,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:57:49,598 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_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b032a96543e605cae418e9bdcd6ea7340c84345f6a85482d9bcf31c6f52e540 [2023-11-19 04:57:49,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:57:49,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:57:49,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:57:49,897 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:57:49,897 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:57:49,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_good.i [2023-11-19 04:57:53,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:57:53,474 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:57:53,475 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_good.i [2023-11-19 04:57:53,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/data/807c5d338/113864ace6ff4e7b852bfe2b227d934d/FLAG075c4ce06 [2023-11-19 04:57:53,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/data/807c5d338/113864ace6ff4e7b852bfe2b227d934d [2023-11-19 04:57:53,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:57:53,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:57:53,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:57:53,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:57:53,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:57:53,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:57:53" (1/1) ... [2023-11-19 04:57:53,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209219d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:53, skipping insertion in model container [2023-11-19 04:57:53,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:57:53" (1/1) ... [2023-11-19 04:57:53,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:57:54,073 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:57:54,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:57:54,749 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:57:54,790 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:57:54,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:57:55,104 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:57:55,105 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:57:55,105 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:57:55,105 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:57:55,105 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:57:55,113 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:57:55,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55 WrapperNode [2023-11-19 04:57:55,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:57:55,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:57:55,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:57:55,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:57:55,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55" (1/1) ... [2023-11-19 04:57:55,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55" (1/1) ... [2023-11-19 04:57:55,229 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 180 [2023-11-19 04:57:55,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:57:55,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:57:55,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:57:55,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:57:55,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55" (1/1) ... [2023-11-19 04:57:55,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55" (1/1) ... [2023-11-19 04:57:55,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55" (1/1) ... [2023-11-19 04:57:55,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55" (1/1) ... [2023-11-19 04:57:55,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55" (1/1) ... [2023-11-19 04:57:55,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55" (1/1) ... [2023-11-19 04:57:55,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55" (1/1) ... [2023-11-19 04:57:55,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55" (1/1) ... [2023-11-19 04:57:55,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:57:55,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:57:55,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:57:55,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:57:55,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55" (1/1) ... [2023-11-19 04:57:55,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:57:55,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:57:55,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:57:55,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:57:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 04:57:55,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 04:57:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:57:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:57:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:57:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:57:55,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:57:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:57:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:57:55,616 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:57:55,619 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:57:56,020 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:57:56,513 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:57:56,513 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:57:56,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:56 BoogieIcfgContainer [2023-11-19 04:57:56,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:57:56,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:57:56,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:57:56,529 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:57:56,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:57:53" (1/3) ... [2023-11-19 04:57:56,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248c6d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:57:56, skipping insertion in model container [2023-11-19 04:57:56,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:57:55" (2/3) ... [2023-11-19 04:57:56,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248c6d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:57:56, skipping insertion in model container [2023-11-19 04:57:56,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:56" (3/3) ... [2023-11-19 04:57:56,535 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_09_good.i [2023-11-19 04:57:56,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:57:56,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 04:57:56,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:57:56,637 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;@33c87467, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:57:56,637 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 04:57:56,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 40 states have internal predecessors, (43), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 04:57:56,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:57:56,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:56,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:56,650 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:57:56,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:56,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1240545573, now seen corresponding path program 1 times [2023-11-19 04:57:56,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:56,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240805869] [2023-11-19 04:57:56,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:56,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:57,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:57:57,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:57,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240805869] [2023-11-19 04:57:57,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240805869] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:57,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:57,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:57:57,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431400115] [2023-11-19 04:57:57,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:57,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:57:57,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:57,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:57:57,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:57,094 INFO L87 Difference]: Start difference. First operand has 49 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 40 states have internal predecessors, (43), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:57:57,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:57,222 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2023-11-19 04:57:57,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:57:57,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2023-11-19 04:57:57,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:57,234 INFO L225 Difference]: With dead ends: 50 [2023-11-19 04:57:57,235 INFO L226 Difference]: Without dead ends: 43 [2023-11-19 04:57:57,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:57,243 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 4 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:57:57,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 98 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:57:57,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-19 04:57:57,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2023-11-19 04:57:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 25 states have (on average 1.48) internal successors, (37), 35 states have internal predecessors, (37), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 04:57:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2023-11-19 04:57:57,296 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 53 transitions. Word has length 8 [2023-11-19 04:57:57,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:57,298 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 53 transitions. [2023-11-19 04:57:57,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:57:57,299 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-11-19 04:57:57,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:57:57,301 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:57,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:57,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:57:57,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:57:57,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:57,304 INFO L85 PathProgramCache]: Analyzing trace with hash 197793039, now seen corresponding path program 1 times [2023-11-19 04:57:57,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:57,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714672706] [2023-11-19 04:57:57,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:57,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:57,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:57:57,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:57,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714672706] [2023-11-19 04:57:57,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714672706] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:57,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:57,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:57:57,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135540102] [2023-11-19 04:57:57,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:57,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:57:57,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:57,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:57:57,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:57:57,841 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2023-11-19 04:57:57,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:57,933 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2023-11-19 04:57:57,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:57:57,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 [2023-11-19 04:57:57,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:57,937 INFO L225 Difference]: With dead ends: 62 [2023-11-19 04:57:57,937 INFO L226 Difference]: Without dead ends: 41 [2023-11-19 04:57:57,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:57:57,940 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 49 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:57:57,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 65 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:57:57,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-19 04:57:57,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-19 04:57:57,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.36) internal successors, (34), 34 states have internal predecessors, (34), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 04:57:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2023-11-19 04:57:57,953 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 9 [2023-11-19 04:57:57,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:57,954 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2023-11-19 04:57:57,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2023-11-19 04:57:57,955 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-19 04:57:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:57:57,956 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:57,956 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:57,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:57:57,957 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:57:57,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:57,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1248562146, now seen corresponding path program 1 times [2023-11-19 04:57:57,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:57,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140008215] [2023-11-19 04:57:57,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:57,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:58,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:57:58,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:58,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140008215] [2023-11-19 04:57:58,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140008215] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:58,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:58,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:57:58,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994631136] [2023-11-19 04:57:58,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:58,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:57:58,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:58,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:57:58,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:58,116 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:57:58,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:58,156 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2023-11-19 04:57:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:57:58,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2023-11-19 04:57:58,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:58,159 INFO L225 Difference]: With dead ends: 70 [2023-11-19 04:57:58,159 INFO L226 Difference]: Without dead ends: 39 [2023-11-19 04:57:58,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:58,162 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:57:58,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 36 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:57:58,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-19 04:57:58,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-19 04:57:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.28) internal successors, (32), 32 states have internal predecessors, (32), 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) [2023-11-19 04:57:58,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2023-11-19 04:57:58,177 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 13 [2023-11-19 04:57:58,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:58,178 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2023-11-19 04:57:58,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:57:58,179 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-11-19 04:57:58,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:57:58,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:58,181 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:58,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:57:58,182 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:57:58,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:58,183 INFO L85 PathProgramCache]: Analyzing trace with hash 213776199, now seen corresponding path program 1 times [2023-11-19 04:57:58,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:58,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651631124] [2023-11-19 04:57:58,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:58,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:58,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:57:58,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:58,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651631124] [2023-11-19 04:57:58,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651631124] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:58,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:58,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:57:58,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151585066] [2023-11-19 04:57:58,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:58,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:57:58,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:58,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:57:58,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:58,323 INFO L87 Difference]: Start difference. First operand 39 states and 44 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, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 04:57:58,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:58,388 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2023-11-19 04:57:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:57:58,389 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, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2023-11-19 04:57:58,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:58,393 INFO L225 Difference]: With dead ends: 40 [2023-11-19 04:57:58,393 INFO L226 Difference]: Without dead ends: 39 [2023-11-19 04:57:58,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:58,402 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 4 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 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 [2023-11-19 04:57:58,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 64 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:57:58,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-19 04:57:58,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2023-11-19 04:57:58,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.24) internal successors, (31), 31 states have internal predecessors, (31), 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) [2023-11-19 04:57:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2023-11-19 04:57:58,410 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 14 [2023-11-19 04:57:58,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:58,411 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2023-11-19 04:57:58,411 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, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 04:57:58,411 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2023-11-19 04:57:58,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:57:58,412 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:58,415 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:58,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:57:58,415 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:57:58,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:58,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1962872187, now seen corresponding path program 1 times [2023-11-19 04:57:58,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:58,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476208639] [2023-11-19 04:57:58,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:58,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:57:58,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:58,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476208639] [2023-11-19 04:57:58,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476208639] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:58,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:58,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:57:58,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187594862] [2023-11-19 04:57:58,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:58,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:57:58,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:58,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:57:58,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:57:58,738 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 04:57:58,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:58,805 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2023-11-19 04:57:58,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:57:58,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2023-11-19 04:57:58,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:58,809 INFO L225 Difference]: With dead ends: 38 [2023-11-19 04:57:58,810 INFO L226 Difference]: Without dead ends: 37 [2023-11-19 04:57:58,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:57:58,815 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 6 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:57:58,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 57 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:57:58,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-19 04:57:58,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-19 04:57:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.2) internal successors, (30), 30 states have internal predecessors, (30), 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) [2023-11-19 04:57:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2023-11-19 04:57:58,835 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 15 [2023-11-19 04:57:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:58,835 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2023-11-19 04:57:58,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 04:57:58,836 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-11-19 04:57:58,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:57:58,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:58,837 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:58,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 04:57:58,838 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:57:58,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:58,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1944287334, now seen corresponding path program 1 times [2023-11-19 04:57:58,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:58,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290842664] [2023-11-19 04:57:58,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:58,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:57:58,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:58,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290842664] [2023-11-19 04:57:58,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290842664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:58,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:58,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:57:58,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306577852] [2023-11-19 04:57:58,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:58,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:57:58,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:58,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:57:58,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:58,955 INFO L87 Difference]: Start difference. First operand 37 states and 42 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 04:57:59,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:59,000 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2023-11-19 04:57:59,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:57:59,002 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2023-11-19 04:57:59,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:59,010 INFO L225 Difference]: With dead ends: 37 [2023-11-19 04:57:59,011 INFO L226 Difference]: Without dead ends: 36 [2023-11-19 04:57:59,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:59,014 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 59 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 [2023-11-19 04:57:59,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 59 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:57:59,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-19 04:57:59,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-19 04:57:59,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.16) internal successors, (29), 29 states have internal predecessors, (29), 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) [2023-11-19 04:57:59,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2023-11-19 04:57:59,026 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 20 [2023-11-19 04:57:59,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:59,026 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2023-11-19 04:57:59,026 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 04:57:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2023-11-19 04:57:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:57:59,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:59,030 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:59,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 04:57:59,031 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:57:59,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:59,032 INFO L85 PathProgramCache]: Analyzing trace with hash 143365470, now seen corresponding path program 1 times [2023-11-19 04:57:59,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:59,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067373514] [2023-11-19 04:57:59,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:59,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:59,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:57:59,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:59,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067373514] [2023-11-19 04:57:59,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067373514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:59,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:59,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:57:59,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828005298] [2023-11-19 04:57:59,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:59,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:57:59,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:59,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:57:59,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:59,144 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 04:57:59,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:59,192 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2023-11-19 04:57:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:57:59,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2023-11-19 04:57:59,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:59,195 INFO L225 Difference]: With dead ends: 36 [2023-11-19 04:57:59,195 INFO L226 Difference]: Without dead ends: 35 [2023-11-19 04:57:59,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:57:59,197 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 2 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:57:59,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 59 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:57:59,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-19 04:57:59,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-19 04:57:59,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.12) internal successors, (28), 28 states have internal predecessors, (28), 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) [2023-11-19 04:57:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2023-11-19 04:57:59,212 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 21 [2023-11-19 04:57:59,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:59,213 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2023-11-19 04:57:59,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 04:57:59,213 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2023-11-19 04:57:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:57:59,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:59,214 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:59,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 04:57:59,215 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:57:59,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:59,215 INFO L85 PathProgramCache]: Analyzing trace with hash 545746319, now seen corresponding path program 1 times [2023-11-19 04:57:59,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:59,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710052175] [2023-11-19 04:57:59,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:59,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:59,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:57:59,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:59,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710052175] [2023-11-19 04:57:59,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710052175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:59,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:59,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:57:59,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964528005] [2023-11-19 04:57:59,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:59,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:57:59,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:59,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:57:59,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:57:59,347 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 04:57:59,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:59,403 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2023-11-19 04:57:59,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:57:59,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2023-11-19 04:57:59,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:59,404 INFO L225 Difference]: With dead ends: 35 [2023-11-19 04:57:59,405 INFO L226 Difference]: Without dead ends: 34 [2023-11-19 04:57:59,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:57:59,406 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 30 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:57:59,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 56 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:57:59,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-19 04:57:59,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-19 04:57:59,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.08) internal successors, (27), 27 states have internal predecessors, (27), 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) [2023-11-19 04:57:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2023-11-19 04:57:59,413 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 28 [2023-11-19 04:57:59,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:59,414 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2023-11-19 04:57:59,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 04:57:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2023-11-19 04:57:59,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:57:59,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:57:59,416 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:59,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 04:57:59,416 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:57:59,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:57:59,417 INFO L85 PathProgramCache]: Analyzing trace with hash -261733016, now seen corresponding path program 1 times [2023-11-19 04:57:59,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:57:59,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474936845] [2023-11-19 04:57:59,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:57:59,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:57:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:57:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:57:59,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:57:59,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474936845] [2023-11-19 04:57:59,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474936845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:57:59,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:57:59,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:57:59,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294483405] [2023-11-19 04:57:59,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:57:59,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:57:59,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:57:59,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:57:59,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:57:59,578 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 04:57:59,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:57:59,639 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2023-11-19 04:57:59,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:57:59,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2023-11-19 04:57:59,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:57:59,643 INFO L225 Difference]: With dead ends: 34 [2023-11-19 04:57:59,643 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:57:59,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:57:59,646 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 27 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:57:59,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 56 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:57:59,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:57:59,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:57:59,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:57:59,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:57:59,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2023-11-19 04:57:59,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:57:59,648 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:57:59,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 04:57:59,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:57:59,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:57:59,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 04:57:59,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 04:57:59,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 04:57:59,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 04:57:59,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 04:57:59,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 04:57:59,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 04:57:59,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 04:57:59,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 04:57:59,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:57:59,729 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 04:57:59,730 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 04:57:59,730 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 04:57:59,730 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 04:57:59,730 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2023-11-19 04:57:59,730 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1593) no Hoare annotation was computed. [2023-11-19 04:57:59,731 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-11-19 04:57:59,731 INFO L895 garLoopResultBuilder]: At program point L1640(line 1640) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1)) [2023-11-19 04:57:59,731 INFO L899 garLoopResultBuilder]: For program point L1640-1(line 1640) no Hoare annotation was computed. [2023-11-19 04:57:59,731 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-19 04:57:59,732 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2023-11-19 04:57:59,732 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2023-11-19 04:57:59,733 INFO L902 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: true [2023-11-19 04:57:59,733 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2023-11-19 04:57:59,733 INFO L899 garLoopResultBuilder]: For program point L1642-1(line 1642) no Hoare annotation was computed. [2023-11-19 04:57:59,733 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2023-11-19 04:57:59,733 INFO L902 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: true [2023-11-19 04:57:59,733 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2023-11-19 04:57:59,734 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0)) [2023-11-19 04:57:59,734 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2023-11-19 04:57:59,734 INFO L899 garLoopResultBuilder]: For program point L1577-2(lines 1574 1593) no Hoare annotation was computed. [2023-11-19 04:57:59,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:57:59,734 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1613) no Hoare annotation was computed. [2023-11-19 04:57:59,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2023-11-19 04:57:59,734 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1570) no Hoare annotation was computed. [2023-11-19 04:57:59,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2023-11-19 04:57:59,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2023-11-19 04:57:59,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-19 04:57:59,735 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-19 04:57:59,735 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-19 04:57:59,735 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1629) no Hoare annotation was computed. [2023-11-19 04:57:59,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-19 04:57:59,736 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1605) no Hoare annotation was computed. [2023-11-19 04:57:59,736 INFO L895 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|)) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2023-11-19 04:57:59,736 INFO L899 garLoopResultBuilder]: For program point L1598-1(lines 1595 1613) no Hoare annotation was computed. [2023-11-19 04:57:59,736 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2023-11-19 04:57:59,736 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:57:59,736 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1591) no Hoare annotation was computed. [2023-11-19 04:57:59,737 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: false [2023-11-19 04:57:59,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2023-11-19 04:57:59,737 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2023-11-19 04:57:59,737 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2023-11-19 04:57:59,737 INFO L899 garLoopResultBuilder]: For program point L1618-2(lines 1615 1629) no Hoare annotation was computed. [2023-11-19 04:57:59,738 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1572) no Hoare annotation was computed. [2023-11-19 04:57:59,738 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2023-11-19 04:57:59,738 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 1548 1572) no Hoare annotation was computed. [2023-11-19 04:57:59,738 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2023-11-19 04:57:59,738 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-11-19 04:57:59,739 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-19 04:57:59,742 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:57:59,744 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:57:59,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:57:59 BoogieIcfgContainer [2023-11-19 04:57:59,750 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:57:59,750 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:57:59,750 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:57:59,751 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:57:59,751 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:57:56" (3/4) ... [2023-11-19 04:57:59,757 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:57:59,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 04:57:59,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 04:57:59,778 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2023-11-19 04:57:59,779 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 04:57:59,779 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:57:59,780 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:57:59,898 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:57:59,899 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:57:59,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:57:59,900 INFO L158 Benchmark]: Toolchain (without parser) took 6364.29ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 132.7MB in the beginning and 155.7MB in the end (delta: -23.0MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-11-19 04:57:59,900 INFO L158 Benchmark]: CDTParser took 1.59ms. Allocated memory is still 121.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:57:59,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1576.75ms. Allocated memory is still 165.7MB. Free memory was 132.7MB in the beginning and 115.8MB in the end (delta: 16.8MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2023-11-19 04:57:59,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.04ms. Allocated memory is still 165.7MB. Free memory was 115.8MB in the beginning and 112.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:57:59,901 INFO L158 Benchmark]: Boogie Preprocessor took 40.66ms. Allocated memory is still 165.7MB. Free memory was 112.4MB in the beginning and 110.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:57:59,902 INFO L158 Benchmark]: RCFGBuilder took 1240.39ms. Allocated memory is still 165.7MB. Free memory was 110.2MB in the beginning and 100.6MB in the end (delta: 9.6MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2023-11-19 04:57:59,902 INFO L158 Benchmark]: TraceAbstraction took 3224.30ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 99.5MB in the beginning and 163.0MB in the end (delta: -63.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:57:59,903 INFO L158 Benchmark]: Witness Printer took 148.78ms. Allocated memory is still 228.6MB. Free memory was 163.0MB in the beginning and 155.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:57:59,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59ms. Allocated memory is still 121.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1576.75ms. Allocated memory is still 165.7MB. Free memory was 132.7MB in the beginning and 115.8MB in the end (delta: 16.8MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.04ms. Allocated memory is still 165.7MB. Free memory was 115.8MB in the beginning and 112.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.66ms. Allocated memory is still 165.7MB. Free memory was 112.4MB in the beginning and 110.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1240.39ms. Allocated memory is still 165.7MB. Free memory was 110.2MB in the beginning and 100.6MB in the end (delta: 9.6MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3224.30ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 99.5MB in the beginning and 163.0MB in the end (delta: -63.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 148.78ms. Allocated memory is still 228.6MB. Free memory was 163.0MB in the beginning and 155.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: 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, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 167 mSDsluCounter, 550 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 308 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 9 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 25 PreInvPairs, 28 NumberOfFragments, 75 HoareAnnotationTreeSize, 25 FomulaSimplifications, 53 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 30/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 04:57:59,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dddf1-c08b-44c0-8bc9-aab434060735/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE