./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5 --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 8a83b28b68a2da54ca051b20d8047f73c0159519cd09c43008dea0cb84af25c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:53:44,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:53:44,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-21 19:53:44,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:53:44,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:53:44,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:53:44,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:53:44,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:53:44,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:53:44,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:53:44,452 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:53:44,452 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:53:44,453 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:53:44,454 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:53:44,454 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:53:44,455 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:53:44,455 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:53:44,456 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:53:44,456 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:53:44,457 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:53:44,458 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:53:44,458 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:53:44,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:53:44,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:53:44,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:53:44,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:53:44,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:53:44,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:53:44,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:53:44,463 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 19:53:44,463 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:53:44,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:53:44,464 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:53:44,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:53:44,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:53:44,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:53:44,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:53:44,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:53:44,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:53:44,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:53:44,469 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:53:44,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:53:44,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:53:44,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:53:44,471 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:53:44,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:53:44,472 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_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a83b28b68a2da54ca051b20d8047f73c0159519cd09c43008dea0cb84af25c1 [2023-11-21 19:53:44,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:53:44,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:53:44,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:53:44,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:53:44,852 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:53:44,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_good.i [2023-11-21 19:53:48,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:53:48,469 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:53:48,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_good.i [2023-11-21 19:53:48,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/data/452a0defb/9f04012fb7d64f079294ef7f40c736b8/FLAGf5ada9acf [2023-11-21 19:53:48,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/data/452a0defb/9f04012fb7d64f079294ef7f40c736b8 [2023-11-21 19:53:48,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:53:48,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:53:48,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:53:48,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:53:48,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:53:48,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:53:48" (1/1) ... [2023-11-21 19:53:48,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a531491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:48, skipping insertion in model container [2023-11-21 19:53:48,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:53:48" (1/1) ... [2023-11-21 19:53:48,648 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:53:49,122 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:53:49,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:53:49,920 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:53:49,952 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:53:50,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:53:50,242 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:53:50,242 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:53:50,242 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:53:50,243 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:53:50,243 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:53:50,251 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:53:50,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50 WrapperNode [2023-11-21 19:53:50,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:53:50,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:53:50,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:53:50,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:53:50,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50" (1/1) ... [2023-11-21 19:53:50,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50" (1/1) ... [2023-11-21 19:53:50,354 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 183 [2023-11-21 19:53:50,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:53:50,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:53:50,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:53:50,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:53:50,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50" (1/1) ... [2023-11-21 19:53:50,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50" (1/1) ... [2023-11-21 19:53:50,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50" (1/1) ... [2023-11-21 19:53:50,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50" (1/1) ... [2023-11-21 19:53:50,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50" (1/1) ... [2023-11-21 19:53:50,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50" (1/1) ... [2023-11-21 19:53:50,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50" (1/1) ... [2023-11-21 19:53:50,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50" (1/1) ... [2023-11-21 19:53:50,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:53:50,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:53:50,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:53:50,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:53:50,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50" (1/1) ... [2023-11-21 19:53:50,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:53:50,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:53:50,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:53:50,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:53:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 19:53:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 19:53:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 19:53:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 19:53:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:53:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:53:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:53:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 19:53:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:53:50,678 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:53:50,696 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:53:51,149 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:53:51,608 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:53:51,609 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:53:51,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:53:51 BoogieIcfgContainer [2023-11-21 19:53:51,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:53:51,613 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:53:51,614 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:53:51,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:53:51,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:53:48" (1/3) ... [2023-11-21 19:53:51,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45935140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:53:51, skipping insertion in model container [2023-11-21 19:53:51,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:53:50" (2/3) ... [2023-11-21 19:53:51,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45935140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:53:51, skipping insertion in model container [2023-11-21 19:53:51,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:53:51" (3/3) ... [2023-11-21 19:53:51,623 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_10_good.i [2023-11-21 19:53:51,646 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:53:51,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-21 19:53:51,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:53:51,716 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;@1cb33603, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:53:51,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-21 19:53:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 32 states have (on average 1.59375) internal successors, (51), 44 states have internal predecessors, (51), 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) [2023-11-21 19:53:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 19:53:51,727 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:51,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:51,728 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)] === [2023-11-21 19:53:51,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:51,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1915946043, now seen corresponding path program 1 times [2023-11-21 19:53:51,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:51,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109392367] [2023-11-21 19:53:51,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:51,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:53:52,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:52,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109392367] [2023-11-21 19:53:52,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109392367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:52,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:52,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:53:52,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727582573] [2023-11-21 19:53:52,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:52,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:52,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:52,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:52,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:52,231 INFO L87 Difference]: Start difference. First operand has 53 states, 32 states have (on average 1.59375) internal successors, (51), 44 states have internal predecessors, (51), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 3.5) 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) [2023-11-21 19:53:52,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:52,335 INFO L93 Difference]: Finished difference Result 54 states and 72 transitions. [2023-11-21 19:53:52,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:53:52,338 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 [2023-11-21 19:53:52,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:52,347 INFO L225 Difference]: With dead ends: 54 [2023-11-21 19:53:52,347 INFO L226 Difference]: Without dead ends: 47 [2023-11-21 19:53:52,351 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 [2023-11-21 19:53:52,355 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 4 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:53:52,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 112 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:53:52,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-21 19:53:52,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2023-11-21 19:53:52,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 39 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 19:53:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2023-11-21 19:53:52,414 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 9 [2023-11-21 19:53:52,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:52,415 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2023-11-21 19:53:52,416 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) [2023-11-21 19:53:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2023-11-21 19:53:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 19:53:52,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:52,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:52,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:53:52,420 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)] === [2023-11-21 19:53:52,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:52,422 INFO L85 PathProgramCache]: Analyzing trace with hash 735214952, now seen corresponding path program 1 times [2023-11-21 19:53:52,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:52,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529659865] [2023-11-21 19:53:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:52,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:53:52,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:52,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529659865] [2023-11-21 19:53:52,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529659865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:52,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:52,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:53:52,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919950364] [2023-11-21 19:53:52,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:52,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:52,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:52,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:52,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:52,605 INFO L87 Difference]: Start difference. First operand 46 states and 60 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:53:52,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:52,653 INFO L93 Difference]: Finished difference Result 47 states and 61 transitions. [2023-11-21 19:53:52,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:53:52,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-21 19:53:52,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:52,656 INFO L225 Difference]: With dead ends: 47 [2023-11-21 19:53:52,656 INFO L226 Difference]: Without dead ends: 46 [2023-11-21 19:53:52,657 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 [2023-11-21 19:53:52,659 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 3 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:53:52,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 93 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:53:52,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-21 19:53:52,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2023-11-21 19:53:52,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 38 states have internal predecessors, (43), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 19:53:52,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2023-11-21 19:53:52,669 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 10 [2023-11-21 19:53:52,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:52,669 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2023-11-21 19:53:52,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:53:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2023-11-21 19:53:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 19:53:52,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:52,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:52,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 19:53:52,672 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)] === [2023-11-21 19:53:52,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:52,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1454597855, now seen corresponding path program 1 times [2023-11-21 19:53:52,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:52,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758292119] [2023-11-21 19:53:52,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:52,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:52,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:53:52,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:52,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758292119] [2023-11-21 19:53:52,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758292119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:52,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:52,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:53:52,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864985333] [2023-11-21 19:53:52,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:52,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:52,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:52,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:52,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:52,795 INFO L87 Difference]: Start difference. First operand 45 states and 59 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:53:52,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:52,869 INFO L93 Difference]: Finished difference Result 46 states and 60 transitions. [2023-11-21 19:53:52,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:53:52,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-21 19:53:52,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:52,877 INFO L225 Difference]: With dead ends: 46 [2023-11-21 19:53:52,877 INFO L226 Difference]: Without dead ends: 45 [2023-11-21 19:53:52,883 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 [2023-11-21 19:53:52,885 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 4 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 92 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 [2023-11-21 19:53:52,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 92 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:53:52,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-21 19:53:52,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2023-11-21 19:53:52,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 37 states have internal predecessors, (42), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 19:53:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2023-11-21 19:53:52,910 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 12 [2023-11-21 19:53:52,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:52,911 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2023-11-21 19:53:52,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:53:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-11-21 19:53:52,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 19:53:52,913 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:52,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:52,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 19:53:52,913 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)] === [2023-11-21 19:53:52,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:52,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2142860300, now seen corresponding path program 1 times [2023-11-21 19:53:52,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:52,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032166349] [2023-11-21 19:53:52,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:52,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:53:53,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:53,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032166349] [2023-11-21 19:53:53,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032166349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:53,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:53,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:53:53,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514980634] [2023-11-21 19:53:53,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:53,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:53,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:53,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:53,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:53,103 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:53:53,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:53,164 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2023-11-21 19:53:53,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:53:53,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-21 19:53:53,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:53,168 INFO L225 Difference]: With dead ends: 45 [2023-11-21 19:53:53,168 INFO L226 Difference]: Without dead ends: 44 [2023-11-21 19:53:53,169 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 [2023-11-21 19:53:53,173 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 3 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:53:53,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 89 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:53:53,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-21 19:53:53,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2023-11-21 19:53:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 36 states have internal predecessors, (41), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 19:53:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2023-11-21 19:53:53,197 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 13 [2023-11-21 19:53:53,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:53,197 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2023-11-21 19:53:53,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:53:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-21 19:53:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 19:53:53,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:53,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:53,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 19:53:53,199 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)] === [2023-11-21 19:53:53,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:53,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1383766972, now seen corresponding path program 1 times [2023-11-21 19:53:53,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:53,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613187975] [2023-11-21 19:53:53,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:53,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:53,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:53:53,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:53,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613187975] [2023-11-21 19:53:53,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613187975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:53,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:53,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:53:53,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070343901] [2023-11-21 19:53:53,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:53,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:53,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:53,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:53,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:53,312 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:53:53,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:53,352 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2023-11-21 19:53:53,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:53:53,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-21 19:53:53,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:53,354 INFO L225 Difference]: With dead ends: 65 [2023-11-21 19:53:53,354 INFO L226 Difference]: Without dead ends: 43 [2023-11-21 19:53:53,355 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 [2023-11-21 19:53:53,356 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:53:53,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 46 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:53:53,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-21 19:53:53,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-21 19:53:53,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 36 states have internal predecessors, (39), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 19:53:53,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 55 transitions. [2023-11-21 19:53:53,364 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 55 transitions. Word has length 14 [2023-11-21 19:53:53,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:53,365 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 55 transitions. [2023-11-21 19:53:53,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:53:53,365 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2023-11-21 19:53:53,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 19:53:53,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:53,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:53,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 19:53:53,367 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 19:53:53,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:53,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1553620006, now seen corresponding path program 1 times [2023-11-21 19:53:53,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:53,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933185619] [2023-11-21 19:53:53,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:53,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:53,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:53:53,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:53,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933185619] [2023-11-21 19:53:53,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933185619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:53,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:53,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:53:53,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835860192] [2023-11-21 19:53:53,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:53,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:53,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:53,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:53,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:53,472 INFO L87 Difference]: Start difference. First operand 43 states and 55 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, (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) [2023-11-21 19:53:53,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:53,520 INFO L93 Difference]: Finished difference Result 43 states and 55 transitions. [2023-11-21 19:53:53,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:53:53,524 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, (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 15 [2023-11-21 19:53:53,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:53,526 INFO L225 Difference]: With dead ends: 43 [2023-11-21 19:53:53,526 INFO L226 Difference]: Without dead ends: 42 [2023-11-21 19:53:53,527 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 [2023-11-21 19:53:53,528 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 6 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 79 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 [2023-11-21 19:53:53,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 79 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:53:53,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-21 19:53:53,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-21 19:53:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 35 states have internal predecessors, (38), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 19:53:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 54 transitions. [2023-11-21 19:53:53,546 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 54 transitions. Word has length 15 [2023-11-21 19:53:53,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:53,547 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 54 transitions. [2023-11-21 19:53:53,547 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, (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) [2023-11-21 19:53:53,547 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2023-11-21 19:53:53,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 19:53:53,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:53,548 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:53,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 19:53:53,549 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 19:53:53,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:53,549 INFO L85 PathProgramCache]: Analyzing trace with hash -917579655, now seen corresponding path program 1 times [2023-11-21 19:53:53,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:53,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843390563] [2023-11-21 19:53:53,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:53,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:53:53,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:53,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843390563] [2023-11-21 19:53:53,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843390563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:53,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:53,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:53:53,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773896281] [2023-11-21 19:53:53,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:53,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:53,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:53,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:53,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:53,666 INFO L87 Difference]: Start difference. First operand 42 states and 54 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, (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) [2023-11-21 19:53:53,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:53,765 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2023-11-21 19:53:53,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:53:53,766 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, (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 16 [2023-11-21 19:53:53,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:53,768 INFO L225 Difference]: With dead ends: 57 [2023-11-21 19:53:53,769 INFO L226 Difference]: Without dead ends: 49 [2023-11-21 19:53:53,769 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 [2023-11-21 19:53:53,770 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 2 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:53:53,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 86 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:53:53,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-21 19:53:53,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2023-11-21 19:53:53,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 38 states have internal predecessors, (42), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 19:53:53,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2023-11-21 19:53:53,781 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 16 [2023-11-21 19:53:53,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:53,782 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2023-11-21 19:53:53,782 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, (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) [2023-11-21 19:53:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-11-21 19:53:53,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 19:53:53,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:53,787 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:53,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 19:53:53,787 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 19:53:53,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:53,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1936235291, now seen corresponding path program 1 times [2023-11-21 19:53:53,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:53,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380501738] [2023-11-21 19:53:53,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:53,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 19:53:53,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:53,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380501738] [2023-11-21 19:53:53,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380501738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:53,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:53,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:53:53,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322956649] [2023-11-21 19:53:53,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:53,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:53,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:53,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:53,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:53,871 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 19:53:53,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:53,908 INFO L93 Difference]: Finished difference Result 74 states and 89 transitions. [2023-11-21 19:53:53,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:53:53,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2023-11-21 19:53:53,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:53,909 INFO L225 Difference]: With dead ends: 74 [2023-11-21 19:53:53,909 INFO L226 Difference]: Without dead ends: 39 [2023-11-21 19:53:53,910 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 [2023-11-21 19:53:53,911 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 37 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:53:53,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 38 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:53:53,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-21 19:53:53,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-21 19:53:53,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 32 states have internal predecessors, (34), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-21 19:53:53,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2023-11-21 19:53:53,921 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 19 [2023-11-21 19:53:53,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:53,922 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-11-21 19:53:53,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 19:53:53,922 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-21 19:53:53,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 19:53:53,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:53,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:53,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 19:53:53,924 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 19:53:53,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:53,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1492096269, now seen corresponding path program 1 times [2023-11-21 19:53:53,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:53,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031550953] [2023-11-21 19:53:53,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:53,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:54,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:53:54,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:54,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031550953] [2023-11-21 19:53:54,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031550953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:54,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:54,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:53:54,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284413726] [2023-11-21 19:53:54,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:54,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 19:53:54,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:54,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 19:53:54,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:53:54,101 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 19:53:54,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:54,160 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2023-11-21 19:53:54,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 19:53:54,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2023-11-21 19:53:54,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:54,161 INFO L225 Difference]: With dead ends: 39 [2023-11-21 19:53:54,162 INFO L226 Difference]: Without dead ends: 38 [2023-11-21 19:53:54,162 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 [2023-11-21 19:53:54,164 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 36 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 66 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 [2023-11-21 19:53:54,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 66 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:53:54,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-21 19:53:54,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-21 19:53:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 31 states have internal predecessors, (33), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-21 19:53:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2023-11-21 19:53:54,180 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 24 [2023-11-21 19:53:54,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:54,180 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2023-11-21 19:53:54,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 19:53:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-21 19:53:54,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 19:53:54,182 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:54,182 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 19:53:54,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 19:53:54,183 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 19:53:54,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:54,183 INFO L85 PathProgramCache]: Analyzing trace with hash 989656217, now seen corresponding path program 1 times [2023-11-21 19:53:54,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:54,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358835961] [2023-11-21 19:53:54,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:54,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:54,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:53:54,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:54,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358835961] [2023-11-21 19:53:54,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358835961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:54,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:54,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:53:54,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968834083] [2023-11-21 19:53:54,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:54,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:54,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:54,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:54,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:54,268 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-21 19:53:54,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:54,307 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2023-11-21 19:53:54,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:53:54,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 25 [2023-11-21 19:53:54,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:54,308 INFO L225 Difference]: With dead ends: 38 [2023-11-21 19:53:54,308 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 19:53:54,309 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 [2023-11-21 19:53:54,309 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 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 [2023-11-21 19:53:54,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 19:53:54,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 19:53:54,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 19:53:54,311 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) [2023-11-21 19:53:54,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 19:53:54,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2023-11-21 19:53:54,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:54,312 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 19:53:54,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-21 19:53:54,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 19:53:54,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 19:53:54,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-21 19:53:54,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-21 19:53:54,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-21 19:53:54,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-21 19:53:54,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-21 19:53:54,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-21 19:53:54,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-21 19:53:54,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-21 19:53:54,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 19:53:54,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 19:53:54,396 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-21 19:53:54,397 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-21 19:53:54,397 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-21 19:53:54,397 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-21 19:53:54,397 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-21 19:53:54,398 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1637) no Hoare annotation was computed. [2023-11-21 19:53:54,398 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2023-11-21 19:53:54,398 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: false [2023-11-21 19:53:54,398 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2023-11-21 19:53:54,398 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-11-21 19:53:54,399 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2023-11-21 19:53:54,399 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-21 19:53:54,399 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-11-21 19:53:54,399 INFO L899 garLoopResultBuilder]: For program point L1625-2(lines 1622 1637) no Hoare annotation was computed. [2023-11-21 19:53:54,399 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1599) no Hoare annotation was computed. [2023-11-21 19:53:54,400 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 19:53:54,400 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-21 19:53:54,400 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2023-11-21 19:53:54,400 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1573) no Hoare annotation was computed. [2023-11-21 19:53:54,400 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1548 1575) no Hoare annotation was computed. [2023-11-21 19:53:54,401 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-21 19:53:54,401 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1577 1599) no Hoare annotation was computed. [2023-11-21 19:53:54,401 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-21 19:53:54,401 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-21 19:53:54,401 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2023-11-21 19:53:54,402 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1618) no Hoare annotation was computed. [2023-11-21 19:53:54,402 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-21 19:53:54,402 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1635) no Hoare annotation was computed. [2023-11-21 19:53:54,402 INFO L895 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: (and (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2023-11-21 19:53:54,402 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2023-11-21 19:53:54,402 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 19:53:54,403 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-11-21 19:53:54,403 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-21 19:53:54,403 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2023-11-21 19:53:54,403 INFO L899 garLoopResultBuilder]: For program point L1616-1(line 1616) no Hoare annotation was computed. [2023-11-21 19:53:54,403 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2023-11-21 19:53:54,403 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1620) no Hoare annotation was computed. [2023-11-21 19:53:54,403 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-11-21 19:53:54,404 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2023-11-21 19:53:54,404 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2023-11-21 19:53:54,404 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2023-11-21 19:53:54,404 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (and (= ~globalFalse~0 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) (= ~globalTrue~0 1)) [2023-11-21 19:53:54,404 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2023-11-21 19:53:54,405 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2023-11-21 19:53:54,405 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2023-11-21 19:53:54,405 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2023-11-21 19:53:54,405 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-21 19:53:54,405 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1575) no Hoare annotation was computed. [2023-11-21 19:53:54,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-21 19:53:54,406 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1597) no Hoare annotation was computed. [2023-11-21 19:53:54,406 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1611) no Hoare annotation was computed. [2023-11-21 19:53:54,406 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= ~globalFalse~0 0) (= ~globalTrue~0 1)) [2023-11-21 19:53:54,406 INFO L899 garLoopResultBuilder]: For program point L1604-1(lines 1601 1620) no Hoare annotation was computed. [2023-11-21 19:53:54,410 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:54,412 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:53:54,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:53:54 BoogieIcfgContainer [2023-11-21 19:53:54,417 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:53:54,418 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:53:54,418 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:53:54,418 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:53:54,419 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:53:51" (3/4) ... [2023-11-21 19:53:54,421 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:53:54,425 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 19:53:54,425 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 19:53:54,433 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2023-11-21 19:53:54,434 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 19:53:54,435 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 19:53:54,436 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:53:54,575 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:53:54,576 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:53:54,576 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:53:54,577 INFO L158 Benchmark]: Toolchain (without parser) took 6038.16ms. Allocated memory was 132.1MB in the beginning and 211.8MB in the end (delta: 79.7MB). Free memory was 84.0MB in the beginning and 172.1MB in the end (delta: -88.1MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2023-11-21 19:53:54,578 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 94.4MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:53:54,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1711.63ms. Allocated memory is still 132.1MB. Free memory was 83.7MB in the beginning and 64.0MB in the end (delta: 19.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2023-11-21 19:53:54,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.91ms. Allocated memory is still 132.1MB. Free memory was 63.3MB in the beginning and 59.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 19:53:54,579 INFO L158 Benchmark]: Boogie Preprocessor took 49.34ms. Allocated memory is still 132.1MB. Free memory was 59.8MB in the beginning and 58.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:53:54,579 INFO L158 Benchmark]: RCFGBuilder took 1205.48ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 58.3MB in the beginning and 136.0MB in the end (delta: -77.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 19:53:54,580 INFO L158 Benchmark]: TraceAbstraction took 2803.81ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 53.6MB in the end (delta: 81.3MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2023-11-21 19:53:54,580 INFO L158 Benchmark]: Witness Printer took 158.68ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 53.6MB in the beginning and 172.1MB in the end (delta: -118.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 19:53:54,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 94.4MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1711.63ms. Allocated memory is still 132.1MB. Free memory was 83.7MB in the beginning and 64.0MB in the end (delta: 19.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.91ms. Allocated memory is still 132.1MB. Free memory was 63.3MB in the beginning and 59.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.34ms. Allocated memory is still 132.1MB. Free memory was 59.8MB in the beginning and 58.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1205.48ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 58.3MB in the beginning and 136.0MB in the end (delta: -77.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2803.81ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 53.6MB in the end (delta: 81.3MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. * Witness Printer took 158.68ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 53.6MB in the beginning and 172.1MB in the end (delta: -118.5MB). 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 774 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 326 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 448 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 7 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 25 PreInvPairs, 28 NumberOfFragments, 83 HoareAnnotationTreeSize, 25 FomulaSimplifications, 49 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 2/2 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! [2023-11-21 19:53:54,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3767aae2-bdb1-4bcf-9d09-608c958ee0ab/bin/utaipan-verify-QoSU8krkJ5/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