./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_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_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/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_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/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_ebc11bcd-70f3-4683-9e9e-291bded03764/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 77476f6c902517dd28f80b2f3415b5b9ae888980629881f2e16d01fadb2d24c8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:04:45,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:04:45,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 05:04:45,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:04:45,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:04:45,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:04:45,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:04:45,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:04:45,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:04:45,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:04:45,385 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:04:45,385 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:04:45,386 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:04:45,386 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:04:45,387 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:04:45,388 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:04:45,388 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:04:45,389 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:04:45,389 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:04:45,390 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:04:45,391 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:04:45,391 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:04:45,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:04:45,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:04:45,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:04:45,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:04:45,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:04:45,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:04:45,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:04:45,400 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:04:45,400 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:04:45,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:04:45,401 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:04:45,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:04:45,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:04:45,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:04:45,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:04:45,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:04:45,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:04:45,403 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:04:45,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:04:45,403 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:04:45,404 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:04:45,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:04:45,404 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_ebc11bcd-70f3-4683-9e9e-291bded03764/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77476f6c902517dd28f80b2f3415b5b9ae888980629881f2e16d01fadb2d24c8 [2023-11-19 05:04:45,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:04:45,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:04:45,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:04:45,701 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:04:45,702 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:04:45,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_good.i [2023-11-19 05:04:48,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:04:49,197 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:04:49,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_good.i [2023-11-19 05:04:49,225 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/data/bcdc81701/b95009d8550c4038bb3873c75f2bab18/FLAGcf898421f [2023-11-19 05:04:49,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/data/bcdc81701/b95009d8550c4038bb3873c75f2bab18 [2023-11-19 05:04:49,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:04:49,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:04:49,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:04:49,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:04:49,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:04:49,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:04:49" (1/1) ... [2023-11-19 05:04:49,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2850459c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:49, skipping insertion in model container [2023-11-19 05:04:49,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:04:49" (1/1) ... [2023-11-19 05:04:49,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:04:49,723 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:04:50,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:04:50,259 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:04:50,279 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:04:50,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:04:50,530 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:04:50,530 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:04:50,530 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:04:50,531 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:04:50,531 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:04:50,539 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:04:50,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50 WrapperNode [2023-11-19 05:04:50,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:04:50,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:04:50,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:04:50,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:04:50,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50" (1/1) ... [2023-11-19 05:04:50,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50" (1/1) ... [2023-11-19 05:04:50,618 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 84 [2023-11-19 05:04:50,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:04:50,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:04:50,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:04:50,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:04:50,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50" (1/1) ... [2023-11-19 05:04:50,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50" (1/1) ... [2023-11-19 05:04:50,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50" (1/1) ... [2023-11-19 05:04:50,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50" (1/1) ... [2023-11-19 05:04:50,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50" (1/1) ... [2023-11-19 05:04:50,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50" (1/1) ... [2023-11-19 05:04:50,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50" (1/1) ... [2023-11-19 05:04:50,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50" (1/1) ... [2023-11-19 05:04:50,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:04:50,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:04:50,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:04:50,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:04:50,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50" (1/1) ... [2023-11-19 05:04:50,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:04:50,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:04:50,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:04:50,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:04:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 05:04:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 05:04:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 05:04:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 05:04:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:04:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:04:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:04:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 05:04:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:04:50,892 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:04:50,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:04:51,046 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:04:51,116 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:04:51,117 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 05:04:51,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:04:51 BoogieIcfgContainer [2023-11-19 05:04:51,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:04:51,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:04:51,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:04:51,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:04:51,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:04:49" (1/3) ... [2023-11-19 05:04:51,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3584cd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:04:51, skipping insertion in model container [2023-11-19 05:04:51,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:50" (2/3) ... [2023-11-19 05:04:51,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3584cd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:04:51, skipping insertion in model container [2023-11-19 05:04:51,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:04:51" (3/3) ... [2023-11-19 05:04:51,130 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_02_good.i [2023-11-19 05:04:51,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:04:51,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 05:04:51,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:04:51,206 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;@41984e93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:04:51,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 05:04:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 41 states have internal predecessors, (45), 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 05:04:51,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 05:04:51,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:04:51,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:04:51,217 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 05:04:51,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:04:51,222 INFO L85 PathProgramCache]: Analyzing trace with hash -533307301, now seen corresponding path program 1 times [2023-11-19 05:04:51,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:04:51,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028928682] [2023-11-19 05:04:51,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:04:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:04:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:04:51,522 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 05:04:51,522 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:04:51,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028928682] [2023-11-19 05:04:51,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028928682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:04:51,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:04:51,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:04:51,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38643675] [2023-11-19 05:04:51,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:04:51,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:04:51,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:04:51,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:04:51,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:04:51,562 INFO L87 Difference]: Start difference. First operand has 50 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 41 states have internal predecessors, (45), 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, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:04:51,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:04:51,616 INFO L93 Difference]: Finished difference Result 85 states and 107 transitions. [2023-11-19 05:04:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:04:51,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-19 05:04:51,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:04:51,625 INFO L225 Difference]: With dead ends: 85 [2023-11-19 05:04:51,626 INFO L226 Difference]: Without dead ends: 36 [2023-11-19 05:04:51,629 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 05:04:51,633 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 1 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:04:51,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 72 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:04:51,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-19 05:04:51,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-19 05:04:51,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 29 states have internal predecessors, (31), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 05:04:51,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2023-11-19 05:04:51,672 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 9 [2023-11-19 05:04:51,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:04:51,673 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2023-11-19 05:04:51,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:04:51,674 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2023-11-19 05:04:51,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 05:04:51,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:04:51,675 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:04:51,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:04:51,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:04:51,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:04:51,677 INFO L85 PathProgramCache]: Analyzing trace with hash -46394526, now seen corresponding path program 1 times [2023-11-19 05:04:51,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:04:51,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777434421] [2023-11-19 05:04:51,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:04:51,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:04:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:04:51,813 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 05:04:51,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:04:51,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777434421] [2023-11-19 05:04:51,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777434421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:04:51,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:04:51,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:04:51,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470872774] [2023-11-19 05:04:51,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:04:51,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:04:51,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:04:51,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:04:51,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:04:51,817 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 05:04:51,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:04:51,844 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2023-11-19 05:04:51,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:04:51,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 05:04:51,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:04:51,846 INFO L225 Difference]: With dead ends: 53 [2023-11-19 05:04:51,846 INFO L226 Difference]: Without dead ends: 30 [2023-11-19 05:04:51,847 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 05:04:51,848 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:04:51,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 44 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:04:51,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-19 05:04:51,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-11-19 05:04:51,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.2) internal successors, (24), 23 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 05:04:51,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2023-11-19 05:04:51,856 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 15 [2023-11-19 05:04:51,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:04:51,857 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2023-11-19 05:04:51,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 05:04:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2023-11-19 05:04:51,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 05:04:51,858 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:04:51,859 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 05:04:51,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:04:51,859 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:04:51,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:04:51,860 INFO L85 PathProgramCache]: Analyzing trace with hash -88563838, now seen corresponding path program 1 times [2023-11-19 05:04:51,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:04:51,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178969527] [2023-11-19 05:04:51,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:04:51,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:04:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:04:51,941 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 05:04:51,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:04:51,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178969527] [2023-11-19 05:04:51,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178969527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:04:51,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:04:51,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:04:51,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383762395] [2023-11-19 05:04:51,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:04:51,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:04:51,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:04:51,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:04:51,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:04:51,945 INFO L87 Difference]: Start difference. First operand 30 states and 32 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 05:04:51,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:04:51,972 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2023-11-19 05:04:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:04:51,973 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 05:04:51,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:04:51,974 INFO L225 Difference]: With dead ends: 30 [2023-11-19 05:04:51,974 INFO L226 Difference]: Without dead ends: 29 [2023-11-19 05:04:51,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:04:51,976 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 5 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 36 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 05:04:51,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 36 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:04:51,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-19 05:04:51,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-19 05:04:51,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 05:04:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2023-11-19 05:04:51,984 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 21 [2023-11-19 05:04:51,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:04:51,984 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2023-11-19 05:04:51,985 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 05:04:51,985 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-11-19 05:04:51,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 05:04:51,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:04:51,986 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] [2023-11-19 05:04:51,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:04:51,987 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:04:51,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:04:51,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1549488441, now seen corresponding path program 1 times [2023-11-19 05:04:51,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:04:51,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906425850] [2023-11-19 05:04:51,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:04:51,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:04:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:04:52,061 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 05:04:52,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:04:52,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906425850] [2023-11-19 05:04:52,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906425850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:04:52,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:04:52,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:04:52,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985551985] [2023-11-19 05:04:52,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:04:52,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:04:52,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:04:52,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:04:52,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:04:52,064 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 05:04:52,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:04:52,098 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2023-11-19 05:04:52,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:04:52,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 22 [2023-11-19 05:04:52,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:04:52,100 INFO L225 Difference]: With dead ends: 35 [2023-11-19 05:04:52,101 INFO L226 Difference]: Without dead ends: 28 [2023-11-19 05:04:52,101 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 05:04:52,103 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:04:52,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 36 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:04:52,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-11-19 05:04:52,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-19 05:04:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.05) internal successors, (21), 21 states have internal predecessors, (21), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 05:04:52,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2023-11-19 05:04:52,117 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 22 [2023-11-19 05:04:52,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:04:52,118 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2023-11-19 05:04:52,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 05:04:52,119 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2023-11-19 05:04:52,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 05:04:52,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:04:52,123 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 05:04:52,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:04:52,124 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:04:52,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:04:52,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2084457375, now seen corresponding path program 1 times [2023-11-19 05:04:52,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:04:52,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418672621] [2023-11-19 05:04:52,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:04:52,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:04:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:04:52,232 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 05:04:52,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:04:52,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418672621] [2023-11-19 05:04:52,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418672621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:04:52,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:04:52,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:04:52,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288417161] [2023-11-19 05:04:52,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:04:52,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:04:52,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:04:52,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:04:52,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:04:52,236 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 05:04:52,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:04:52,289 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2023-11-19 05:04:52,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:04:52,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2023-11-19 05:04:52,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:04:52,291 INFO L225 Difference]: With dead ends: 28 [2023-11-19 05:04:52,292 INFO L226 Difference]: Without dead ends: 27 [2023-11-19 05:04:52,293 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 05:04:52,294 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:04:52,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 38 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:04:52,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-19 05:04:52,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-19 05:04:52,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 05:04:52,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2023-11-19 05:04:52,310 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 29 [2023-11-19 05:04:52,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:04:52,311 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2023-11-19 05:04:52,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 05:04:52,311 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2023-11-19 05:04:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 05:04:52,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:04:52,312 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, 1] [2023-11-19 05:04:52,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:04:52,312 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:04:52,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:04:52,313 INFO L85 PathProgramCache]: Analyzing trace with hash -193669038, now seen corresponding path program 1 times [2023-11-19 05:04:52,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:04:52,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138615897] [2023-11-19 05:04:52,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:04:52,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:04:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:04:52,392 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 05:04:52,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:04:52,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138615897] [2023-11-19 05:04:52,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138615897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:04:52,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:04:52,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:04:52,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907954063] [2023-11-19 05:04:52,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:04:52,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:04:52,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:04:52,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:04:52,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:04:52,400 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 05:04:52,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:04:52,434 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2023-11-19 05:04:52,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:04:52,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2023-11-19 05:04:52,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:04:52,435 INFO L225 Difference]: With dead ends: 27 [2023-11-19 05:04:52,435 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:04:52,436 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 05:04:52,437 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:04:52,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:04:52,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:04:52,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:04:52,438 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 05:04:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:04:52,439 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2023-11-19 05:04:52,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:04:52,439 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:04:52,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 05:04:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:04:52,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:04:52,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 05:04:52,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 05:04:52,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 05:04:52,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 05:04:52,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 05:04:52,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 05:04:52,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 05:04:52,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 05:04:52,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 05:04:52,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:04:52,485 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 05:04:52,486 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 05:04:52,486 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 05:04:52,486 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 05:04:52,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-19 05:04:52,486 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1637) no Hoare annotation was computed. [2023-11-19 05:04:52,487 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2023-11-19 05:04:52,487 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1577 1599) no Hoare annotation was computed. [2023-11-19 05:04:52,488 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-19 05:04:52,488 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-19 05:04:52,488 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2023-11-19 05:04:52,488 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: false [2023-11-19 05:04:52,488 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-19 05:04:52,489 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2023-11-19 05:04:52,489 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-11-19 05:04:52,489 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2023-11-19 05:04:52,489 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2023-11-19 05:04:52,489 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:04:52,490 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-11-19 05:04:52,490 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-19 05:04:52,490 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: false [2023-11-19 05:04:52,490 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-19 05:04:52,490 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-11-19 05:04:52,490 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2023-11-19 05:04:52,491 INFO L899 garLoopResultBuilder]: For program point L1616-1(line 1616) no Hoare annotation was computed. [2023-11-19 05:04:52,491 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2023-11-19 05:04:52,491 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1620) no Hoare annotation was computed. [2023-11-19 05:04:52,491 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-11-19 05:04:52,491 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: false [2023-11-19 05:04:52,491 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2023-11-19 05:04:52,491 INFO L899 garLoopResultBuilder]: For program point L1625-2(lines 1622 1637) no Hoare annotation was computed. [2023-11-19 05:04:52,492 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2023-11-19 05:04:52,492 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) [2023-11-19 05:04:52,492 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2023-11-19 05:04:52,492 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2023-11-19 05:04:52,493 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1599) no Hoare annotation was computed. [2023-11-19 05:04:52,493 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2023-11-19 05:04:52,493 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2023-11-19 05:04:52,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-19 05:04:52,493 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1575) no Hoare annotation was computed. [2023-11-19 05:04:52,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:04:52,494 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-19 05:04:52,494 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-19 05:04:52,494 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) [2023-11-19 05:04:52,494 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1573) no Hoare annotation was computed. [2023-11-19 05:04:52,494 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1548 1575) no Hoare annotation was computed. [2023-11-19 05:04:52,495 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-19 05:04:52,495 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1611) no Hoare annotation was computed. [2023-11-19 05:04:52,496 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0) [2023-11-19 05:04:52,496 INFO L899 garLoopResultBuilder]: For program point L1604-1(lines 1601 1620) no Hoare annotation was computed. [2023-11-19 05:04:52,499 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-19 05:04:52,503 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:04:52,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:04:52 BoogieIcfgContainer [2023-11-19 05:04:52,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:04:52,512 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:04:52,512 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:04:52,512 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:04:52,513 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:04:51" (3/4) ... [2023-11-19 05:04:52,515 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:04:52,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 05:04:52,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 05:04:52,528 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 05:04:52,529 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 05:04:52,529 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 05:04:52,530 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:04:52,645 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:04:52,645 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:04:52,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:04:52,646 INFO L158 Benchmark]: Toolchain (without parser) took 3393.95ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 73.5MB in the beginning and 94.2MB in the end (delta: -20.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-19 05:04:52,646 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 123.7MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:04:52,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1284.88ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 73.5MB in the beginning and 75.2MB in the end (delta: -1.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-19 05:04:52,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.86ms. Allocated memory is still 153.1MB. Free memory was 75.1MB in the beginning and 72.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:04:52,647 INFO L158 Benchmark]: Boogie Preprocessor took 29.88ms. Allocated memory is still 153.1MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:04:52,648 INFO L158 Benchmark]: RCFGBuilder took 472.39ms. Allocated memory is still 153.1MB. Free memory was 69.9MB in the beginning and 118.2MB in the end (delta: -48.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 05:04:52,648 INFO L158 Benchmark]: TraceAbstraction took 1385.66ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 100.5MB in the end (delta: 17.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-19 05:04:52,648 INFO L158 Benchmark]: Witness Printer took 133.52ms. Allocated memory is still 153.1MB. Free memory was 100.5MB in the beginning and 94.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:04:52,651 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 123.7MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1284.88ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 73.5MB in the beginning and 75.2MB in the end (delta: -1.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.86ms. Allocated memory is still 153.1MB. Free memory was 75.1MB in the beginning and 72.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.88ms. Allocated memory is still 153.1MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.39ms. Allocated memory is still 153.1MB. Free memory was 69.9MB in the beginning and 118.2MB in the end (delta: -48.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1385.66ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 100.5MB in the end (delta: 17.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 133.52ms. Allocated memory is still 153.1MB. Free memory was 100.5MB in the beginning and 94.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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, 50 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 264 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 138 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 26 PreInvPairs, 30 NumberOfFragments, 24 HoareAnnotationTreeSize, 26 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 26/26 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 05:04:52,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc11bcd-70f3-4683-9e9e-291bded03764/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE