./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/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_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/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_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/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 c711921b1c30eb9c30b50365263bbeab75ad6f55ea7e7ccf25ab387cd5e70414 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:32,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:32,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 05:15:32,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:32,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:32,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:32,609 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:32,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:32,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:32,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:32,612 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:32,612 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:32,613 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:32,614 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:15:32,614 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:32,615 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:32,616 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:15:32,617 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:15:32,617 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:32,618 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:15:32,619 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:15:32,620 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:15:32,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:32,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:15:32,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:15:32,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:32,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:15:32,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:32,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:15:32,630 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:15:32,631 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:15:32,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:15:32,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:32,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:32,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:32,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:32,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:32,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:32,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:15:32,636 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:15:32,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:15:32,649 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:15:32,649 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:32,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:32,650 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_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c711921b1c30eb9c30b50365263bbeab75ad6f55ea7e7ccf25ab387cd5e70414 [2023-11-19 05:15:33,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:33,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:33,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:33,032 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:33,032 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:33,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_02_good.i [2023-11-19 05:15:36,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:37,185 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:37,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_02_good.i [2023-11-19 05:15:37,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ/data/07ab8017c/7cd997b277df424397a1d42d11c1def9/FLAG87191a56a [2023-11-19 05:15:37,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ/data/07ab8017c/7cd997b277df424397a1d42d11c1def9 [2023-11-19 05:15:37,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:37,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:37,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:37,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:37,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:37,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:37" (1/1) ... [2023-11-19 05:15:37,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3cd101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:37, skipping insertion in model container [2023-11-19 05:15:37,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:37" (1/1) ... [2023-11-19 05:15:37,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:37,883 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:15:38,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:38,707 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:15:38,733 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:15:38,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:39,068 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:39,068 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:39,069 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:39,073 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:39,073 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:39,084 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:15:39,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39 WrapperNode [2023-11-19 05:15:39,085 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:39,086 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:39,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:15:39,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:15:39,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,182 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 192 [2023-11-19 05:15:39,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:39,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:15:39,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:15:39,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:15:39,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:15:39,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:15:39,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:15:39,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:15:39,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:39,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:15:39,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:15:39,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:15:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 05:15:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 05:15:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 05:15:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 05:15:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:15:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:15:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:15:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 05:15:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:15:39,674 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:15:39,677 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:15:40,127 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:15:40,640 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:15:40,640 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 05:15:40,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:40 BoogieIcfgContainer [2023-11-19 05:15:40,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:15:40,670 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:15:40,670 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:15:40,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:15:40,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:37" (1/3) ... [2023-11-19 05:15:40,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf3a828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:40, skipping insertion in model container [2023-11-19 05:15:40,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (2/3) ... [2023-11-19 05:15:40,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf3a828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:40, skipping insertion in model container [2023-11-19 05:15:40,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:40" (3/3) ... [2023-11-19 05:15:40,683 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_02_good.i [2023-11-19 05:15:40,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:15:40,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 05:15:40,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:15:40,786 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;@33c9eae3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:15:40,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 05:15:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 39 states have internal predecessors, (42), 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 05:15:40,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:15:40,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:40,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:15:40,804 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 05:15:40,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:40,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1879375310, now seen corresponding path program 1 times [2023-11-19 05:15:40,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:40,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388628892] [2023-11-19 05:15:40,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:40,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:41,508 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 05:15:41,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:41,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388628892] [2023-11-19 05:15:41,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388628892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:41,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:41,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:15:41,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668209288] [2023-11-19 05:15:41,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:41,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:15:41,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:41,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:15:41,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:15:41,563 INFO L87 Difference]: Start difference. First operand has 48 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 39 states have internal predecessors, (42), 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 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 05:15:41,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:41,707 INFO L93 Difference]: Finished difference Result 82 states and 103 transitions. [2023-11-19 05:15:41,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:15:41,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 05:15:41,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:41,721 INFO L225 Difference]: With dead ends: 82 [2023-11-19 05:15:41,721 INFO L226 Difference]: Without dead ends: 39 [2023-11-19 05:15:41,726 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 05:15:41,734 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 7 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:41,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 113 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:15:41,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-19 05:15:41,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-19 05:15:41,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.3333333333333333) 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 05:15:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2023-11-19 05:15:41,798 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 8 [2023-11-19 05:15:41,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:41,801 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2023-11-19 05:15:41,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 05:15:41,802 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-11-19 05:15:41,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 05:15:41,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:41,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:15:41,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:15:41,807 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 05:15:41,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:41,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1868907396, now seen corresponding path program 1 times [2023-11-19 05:15:41,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:41,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835887986] [2023-11-19 05:15:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:41,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:42,004 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 05:15:42,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:42,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835887986] [2023-11-19 05:15:42,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835887986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:42,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:42,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:15:42,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069330798] [2023-11-19 05:15:42,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:42,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:15:42,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:42,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:15:42,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:15:42,010 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:15:42,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:42,057 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2023-11-19 05:15:42,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:15:42,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-19 05:15:42,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:42,060 INFO L225 Difference]: With dead ends: 39 [2023-11-19 05:15:42,060 INFO L226 Difference]: Without dead ends: 38 [2023-11-19 05:15:42,061 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 05:15:42,063 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 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 05:15:42,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:15:42,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-19 05:15:42,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-19 05:15:42,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 24 states have (on average 1.2916666666666667) 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 05:15:42,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2023-11-19 05:15:42,075 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 9 [2023-11-19 05:15:42,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:42,075 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2023-11-19 05:15:42,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:15:42,076 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2023-11-19 05:15:42,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 05:15:42,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:42,077 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:15:42,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:15:42,078 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 05:15:42,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:42,079 INFO L85 PathProgramCache]: Analyzing trace with hash -628190850, now seen corresponding path program 1 times [2023-11-19 05:15:42,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:42,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514843341] [2023-11-19 05:15:42,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:42,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:42,390 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 05:15:42,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:42,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514843341] [2023-11-19 05:15:42,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514843341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:42,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:42,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:15:42,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909005648] [2023-11-19 05:15:42,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:42,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:15:42,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:42,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:15:42,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:15:42,395 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 05:15:42,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:42,464 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2023-11-19 05:15:42,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:15:42,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 13 [2023-11-19 05:15:42,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:42,467 INFO L225 Difference]: With dead ends: 38 [2023-11-19 05:15:42,467 INFO L226 Difference]: Without dead ends: 37 [2023-11-19 05:15:42,468 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 05:15:42,469 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:42,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 88 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:15:42,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-19 05:15:42,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-19 05:15:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.25) 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 05:15:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2023-11-19 05:15:42,479 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 13 [2023-11-19 05:15:42,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:42,480 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2023-11-19 05:15:42,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 05:15:42,481 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-11-19 05:15:42,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 05:15:42,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:42,482 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:15:42,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:15:42,519 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:15:42,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:42,520 INFO L85 PathProgramCache]: Analyzing trace with hash 2000920365, now seen corresponding path program 1 times [2023-11-19 05:15:42,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:42,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990885124] [2023-11-19 05:15:42,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:42,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:42,757 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 05:15:42,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:42,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990885124] [2023-11-19 05:15:42,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990885124] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:42,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:42,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:15:42,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46426617] [2023-11-19 05:15:42,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:42,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:15:42,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:42,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:15:42,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:15:42,763 INFO L87 Difference]: Start difference. First operand 37 states and 42 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 05:15:42,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:42,817 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2023-11-19 05:15:42,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:15:42,818 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 05:15:42,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:42,821 INFO L225 Difference]: With dead ends: 37 [2023-11-19 05:15:42,822 INFO L226 Difference]: Without dead ends: 36 [2023-11-19 05:15:42,822 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 05:15:42,835 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:42,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:15:42,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-19 05:15:42,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-19 05:15:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.2083333333333333) 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 05:15:42,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2023-11-19 05:15:42,853 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 14 [2023-11-19 05:15:42,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:42,854 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2023-11-19 05:15:42,855 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 05:15:42,855 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2023-11-19 05:15:42,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 05:15:42,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:42,857 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:15:42,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:15:42,858 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:15:42,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:42,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1907378022, now seen corresponding path program 1 times [2023-11-19 05:15:42,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:42,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202416286] [2023-11-19 05:15:42,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:42,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:43,095 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 05:15:43,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:43,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202416286] [2023-11-19 05:15:43,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202416286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:43,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:43,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:15:43,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303080330] [2023-11-19 05:15:43,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:43,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:15:43,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:43,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:15:43,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:15:43,102 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 05:15:43,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:43,186 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2023-11-19 05:15:43,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:15:43,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 19 [2023-11-19 05:15:43,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:43,190 INFO L225 Difference]: With dead ends: 36 [2023-11-19 05:15:43,190 INFO L226 Difference]: Without dead ends: 34 [2023-11-19 05:15:43,191 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 05:15:43,197 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 3 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:43,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 87 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:15:43,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-19 05:15:43,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-19 05:15:43,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.125) 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 05:15:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2023-11-19 05:15:43,216 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 19 [2023-11-19 05:15:43,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:43,217 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2023-11-19 05:15:43,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 05:15:43,218 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2023-11-19 05:15:43,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 05:15:43,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:43,219 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] [2023-11-19 05:15:43,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:15:43,220 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:15:43,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:43,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1233846839, now seen corresponding path program 1 times [2023-11-19 05:15:43,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:43,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857755579] [2023-11-19 05:15:43,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:43,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:43,367 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 05:15:43,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:15:43,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857755579] [2023-11-19 05:15:43,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857755579] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:43,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:43,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:15:43,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617563405] [2023-11-19 05:15:43,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:43,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:15:43,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:15:43,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:15:43,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:15:43,371 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 05:15:43,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:43,442 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2023-11-19 05:15:43,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:15:43,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 27 [2023-11-19 05:15:43,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:43,453 INFO L225 Difference]: With dead ends: 34 [2023-11-19 05:15:43,453 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:15:43,454 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 05:15:43,455 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 3 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:43,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 87 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:15:43,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:15:43,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:15:43,457 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 05:15:43,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:15:43,458 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2023-11-19 05:15:43,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:43,458 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:15:43,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 05:15:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:15:43,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:15:43,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 05:15:43,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 05:15:43,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 05:15:43,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 05:15:43,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 05:15:43,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 05:15:43,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 05:15:43,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 05:15:43,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 05:15:43,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:15:43,497 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 05:15:43,497 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 05:15:43,498 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 05:15:43,498 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 05:15:43,498 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-19 05:15:43,498 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (< 0 (+ 2147483649 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2023-11-19 05:15:43,499 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-19 05:15:43,499 INFO L899 garLoopResultBuilder]: For program point L1621-2(lines 1618 1633) no Hoare annotation was computed. [2023-11-19 05:15:43,499 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1595) no Hoare annotation was computed. [2023-11-19 05:15:43,500 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-19 05:15:43,501 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (< 0 (+ 2147483649 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2023-11-19 05:15:43,501 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:15:43,501 INFO L902 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: true [2023-11-19 05:15:43,501 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2023-11-19 05:15:43,501 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2023-11-19 05:15:43,502 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-19 05:15:43,502 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1575 1595) no Hoare annotation was computed. [2023-11-19 05:15:43,502 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-19 05:15:43,502 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2023-11-19 05:15:43,502 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2023-11-19 05:15:43,503 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2023-11-19 05:15:43,503 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-19 05:15:43,503 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2023-11-19 05:15:43,503 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2023-11-19 05:15:43,504 INFO L902 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: true [2023-11-19 05:15:43,504 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2023-11-19 05:15:43,504 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2023-11-19 05:15:43,504 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-19 05:15:43,504 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-19 05:15:43,505 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2023-11-19 05:15:43,505 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2023-11-19 05:15:43,505 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-19 05:15:43,505 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-19 05:15:43,506 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-19 05:15:43,506 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:15:43,506 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (< 0 (+ 2147483650 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2023-11-19 05:15:43,506 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-19 05:15:43,506 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1607) no Hoare annotation was computed. [2023-11-19 05:15:43,507 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1597 1616) no Hoare annotation was computed. [2023-11-19 05:15:43,507 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2023-11-19 05:15:43,507 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-19 05:15:43,507 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1573) no Hoare annotation was computed. [2023-11-19 05:15:43,507 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: false [2023-11-19 05:15:43,508 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-19 05:15:43,508 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2023-11-19 05:15:43,508 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-19 05:15:43,508 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (< 0 (+ 2147483650 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2023-11-19 05:15:43,509 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1548 1573) no Hoare annotation was computed. [2023-11-19 05:15:43,513 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-19 05:15:43,515 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:15:43,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:15:43 BoogieIcfgContainer [2023-11-19 05:15:43,523 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:15:43,524 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:15:43,524 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:15:43,524 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:15:43,525 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:40" (3/4) ... [2023-11-19 05:15:43,528 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:15:43,532 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 05:15:43,532 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 05:15:43,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2023-11-19 05:15:43,549 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 05:15:43,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 05:15:43,551 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:15:43,700 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:15:43,700 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:15:43,701 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:15:43,701 INFO L158 Benchmark]: Toolchain (without parser) took 6457.93ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 131.5MB in the beginning and 67.4MB in the end (delta: 64.1MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2023-11-19 05:15:43,702 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory was 83.5MB in the beginning and 83.3MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:15:43,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1840.13ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 131.5MB in the beginning and 184.1MB in the end (delta: -52.6MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2023-11-19 05:15:43,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.18ms. Allocated memory is still 220.2MB. Free memory was 184.1MB in the beginning and 179.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:15:43,703 INFO L158 Benchmark]: Boogie Preprocessor took 47.48ms. Allocated memory is still 220.2MB. Free memory was 179.9MB in the beginning and 177.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:15:43,704 INFO L158 Benchmark]: RCFGBuilder took 1415.19ms. Allocated memory is still 220.2MB. Free memory was 177.8MB in the beginning and 104.4MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2023-11-19 05:15:43,705 INFO L158 Benchmark]: TraceAbstraction took 2852.77ms. Allocated memory is still 220.2MB. Free memory was 182.2MB in the beginning and 74.7MB in the end (delta: 107.5MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. [2023-11-19 05:15:43,705 INFO L158 Benchmark]: Witness Printer took 177.28ms. Allocated memory is still 220.2MB. Free memory was 74.7MB in the beginning and 67.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:15:43,709 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory was 83.5MB in the beginning and 83.3MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1840.13ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 131.5MB in the beginning and 184.1MB in the end (delta: -52.6MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.18ms. Allocated memory is still 220.2MB. Free memory was 184.1MB in the beginning and 179.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.48ms. Allocated memory is still 220.2MB. Free memory was 179.9MB in the beginning and 177.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1415.19ms. Allocated memory is still 220.2MB. Free memory was 177.8MB in the beginning and 104.4MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2852.77ms. Allocated memory is still 220.2MB. Free memory was 182.2MB in the beginning and 74.7MB in the end (delta: 107.5MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. * Witness Printer took 177.28ms. Allocated memory is still 220.2MB. Free memory was 74.7MB in the beginning and 67.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. 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: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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, 48 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 508 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 311 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 197 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 22, 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, 25 PreInvPairs, 30 NumberOfFragments, 28 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 16/16 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 05:15:43,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e4c6d23-f96f-44e3-8767-3dd36c38a69d/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