./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje --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 32bit --witnessprinter.graph.data.programhash 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:36:23,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:36:23,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:36:23,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:36:23,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:36:23,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:36:23,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:36:23,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:36:23,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:36:23,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:36:23,425 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:36:23,429 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:36:23,430 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:36:23,430 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:36:23,431 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:36:23,431 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:36:23,431 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:36:23,432 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:36:23,433 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:36:23,436 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:36:23,437 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:36:23,438 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:36:23,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:36:23,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:36:23,439 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:36:23,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:36:23,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:36:23,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:36:23,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:36:23,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:36:23,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:36:23,446 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:36:23,446 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:36:23,446 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:36:23,447 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:36:23,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:36:23,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:36:23,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:36:23,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:36:23,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:36:23,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:36:23,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:36:23,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:36:23,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:36:23,470 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:36:23,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:36:23,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:36:23,471 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:36:23,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:36:23,472 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_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d [2024-11-09 05:36:23,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:36:23,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:36:23,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:36:23,891 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:36:23,892 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:36:23,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i Unable to find full path for "g++" [2024-11-09 05:36:26,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:36:26,713 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:36:26,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2024-11-09 05:36:26,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/data/e139e2aac/8606294af10249d4b7b3c67dabeede4d/FLAG81ddca794 [2024-11-09 05:36:26,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/data/e139e2aac/8606294af10249d4b7b3c67dabeede4d [2024-11-09 05:36:26,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:36:26,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:36:26,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:36:26,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:36:26,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:36:26,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:36:26" (1/1) ... [2024-11-09 05:36:26,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e7e463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:26, skipping insertion in model container [2024-11-09 05:36:26,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:36:26" (1/1) ... [2024-11-09 05:36:26,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:36:27,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:36:27,807 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:36:27,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:36:28,068 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:36:28,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28 WrapperNode [2024-11-09 05:36:28,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:36:28,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:36:28,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:36:28,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:36:28,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,209 INFO L138 Inliner]: procedures = 282, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1452 [2024-11-09 05:36:28,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:36:28,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:36:28,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:36:28,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:36:28,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:36:28,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:36:28,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:36:28,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:36:28,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28" (1/1) ... [2024-11-09 05:36:28,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:36:28,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:28,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:36:28,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:36:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-09 05:36:28,522 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-09 05:36:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:36:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:36:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:36:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-09 05:36:28,524 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-09 05:36:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:36:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 05:36:28,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 05:36:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:36:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:36:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:36:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-09 05:36:28,526 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-09 05:36:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:36:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-09 05:36:28,527 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-09 05:36:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:36:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:36:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:36:28,826 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:36:28,829 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:36:31,152 INFO L? ?]: Removed 349 outVars from TransFormulas that were not future-live. [2024-11-09 05:36:31,152 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:36:33,098 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:36:33,099 INFO L316 CfgBuilder]: Removed 58 assume(true) statements. [2024-11-09 05:36:33,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:36:33 BoogieIcfgContainer [2024-11-09 05:36:33,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:36:33,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:36:33,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:36:33,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:36:33,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:36:26" (1/3) ... [2024-11-09 05:36:33,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49128201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:36:33, skipping insertion in model container [2024-11-09 05:36:33,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:28" (2/3) ... [2024-11-09 05:36:33,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49128201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:36:33, skipping insertion in model container [2024-11-09 05:36:33,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:36:33" (3/3) ... [2024-11-09 05:36:33,111 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test6-1.i [2024-11-09 05:36:33,137 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:36:33,137 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-09 05:36:33,248 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:36:33,256 INFO L333 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, 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;@104f3f09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:36:33,257 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-09 05:36:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 148 states have (on average 1.6824324324324325) internal successors, (249), 165 states have internal predecessors, (249), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:36:33,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:36:33,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:33,272 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:36:33,272 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:36:33,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:33,281 INFO L85 PathProgramCache]: Analyzing trace with hash 49172208, now seen corresponding path program 1 times [2024-11-09 05:36:33,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:33,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465111016] [2024-11-09 05:36:33,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:33,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:36:33,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185664635] [2024-11-09 05:36:33,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:33,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:33,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:33,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:36:33,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:36:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:33,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:36:33,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:36:33,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 05:36:33,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:36:34,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-09 05:36:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:36:34,015 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:36:34,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:34,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465111016] [2024-11-09 05:36:34,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:36:34,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185664635] [2024-11-09 05:36:34,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185664635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:34,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:34,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:34,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501941969] [2024-11-09 05:36:34,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:34,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:36:34,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:34,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:36:34,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:36:34,063 INFO L87 Difference]: Start difference. First operand has 185 states, 148 states have (on average 1.6824324324324325) internal successors, (249), 165 states have internal predecessors, (249), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-09 05:36:35,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:37,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:39,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:41,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:44,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:46,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:48,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:51,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:51,308 INFO L93 Difference]: Finished difference Result 451 states and 727 transitions. [2024-11-09 05:36:51,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:36:51,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2024-11-09 05:36:51,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:51,327 INFO L225 Difference]: With dead ends: 451 [2024-11-09 05:36:51,327 INFO L226 Difference]: Without dead ends: 245 [2024-11-09 05:36:51,331 INFO L431 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 [2024-11-09 05:36:51,335 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 89 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:51,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 507 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 151 Invalid, 5 Unknown, 0 Unchecked, 17.1s Time] [2024-11-09 05:36:51,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-09 05:36:51,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 172. [2024-11-09 05:36:51,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 144 states have (on average 1.25) internal successors, (180), 158 states have internal predecessors, (180), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 05:36:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 200 transitions. [2024-11-09 05:36:51,396 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 200 transitions. Word has length 4 [2024-11-09 05:36:51,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:51,398 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 200 transitions. [2024-11-09 05:36:51,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-09 05:36:51,399 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 200 transitions. [2024-11-09 05:36:51,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 05:36:51,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:51,400 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:51,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:36:51,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:51,606 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:36:51,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:51,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1470776941, now seen corresponding path program 1 times [2024-11-09 05:36:51,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:51,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174527574] [2024-11-09 05:36:51,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:51,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:52,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:36:52,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:52,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174527574] [2024-11-09 05:36:52,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174527574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:52,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:52,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:52,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158389013] [2024-11-09 05:36:52,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:52,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:36:52,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:52,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:36:52,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:36:52,467 INFO L87 Difference]: Start difference. First operand 172 states and 200 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:36:54,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:56,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:36:58,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:00,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:02,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:06,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:08,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:10,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:12,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:14,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:37:16,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:18,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:19,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:19,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:19,622 INFO L93 Difference]: Finished difference Result 324 states and 383 transitions. [2024-11-09 05:37:19,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:37:19,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 05:37:19,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:19,631 INFO L225 Difference]: With dead ends: 324 [2024-11-09 05:37:19,631 INFO L226 Difference]: Without dead ends: 322 [2024-11-09 05:37:19,632 INFO L431 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 [2024-11-09 05:37:19,634 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 166 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 4 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:19,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 475 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 95 Invalid, 11 Unknown, 0 Unchecked, 27.1s Time] [2024-11-09 05:37:19,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-09 05:37:19,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2024-11-09 05:37:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 272 states have (on average 1.25) internal successors, (340), 287 states have internal predecessors, (340), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (21), 16 states have call predecessors, (21), 18 states have call successors, (21) [2024-11-09 05:37:19,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 379 transitions. [2024-11-09 05:37:19,671 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 379 transitions. Word has length 20 [2024-11-09 05:37:19,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:19,672 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 379 transitions. [2024-11-09 05:37:19,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:19,673 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 379 transitions. [2024-11-09 05:37:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 05:37:19,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:19,674 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:19,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:37:19,675 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:37:19,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:19,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1650555044, now seen corresponding path program 1 times [2024-11-09 05:37:19,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:37:19,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22563000] [2024-11-09 05:37:19,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:19,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:37:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:20,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:20,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:37:20,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22563000] [2024-11-09 05:37:20,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22563000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:20,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:20,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:37:20,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547527981] [2024-11-09 05:37:20,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:20,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:37:20,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:37:20,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:37:20,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:37:20,143 INFO L87 Difference]: Start difference. First operand 310 states and 379 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:22,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:24,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:26,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:28,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:30,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:32,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:34,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:36,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:38,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:40,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:42,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:44,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:46,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:48,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:48,012 INFO L93 Difference]: Finished difference Result 493 states and 598 transitions. [2024-11-09 05:37:48,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:37:48,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-09 05:37:48,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:48,017 INFO L225 Difference]: With dead ends: 493 [2024-11-09 05:37:48,018 INFO L226 Difference]: Without dead ends: 491 [2024-11-09 05:37:48,018 INFO L431 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 [2024-11-09 05:37:48,020 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 119 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:48,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 485 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 12 Unknown, 0 Unchecked, 27.8s Time] [2024-11-09 05:37:48,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-09 05:37:48,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 483. [2024-11-09 05:37:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 439 states have (on average 1.246013667425968) internal successors, (547), 455 states have internal predecessors, (547), 23 states have call successors, (23), 10 states have call predecessors, (23), 7 states have return successors, (26), 18 states have call predecessors, (26), 23 states have call successors, (26) [2024-11-09 05:37:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 596 transitions. [2024-11-09 05:37:48,066 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 596 transitions. Word has length 21 [2024-11-09 05:37:48,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:48,067 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 596 transitions. [2024-11-09 05:37:48,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 596 transitions. [2024-11-09 05:37:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 05:37:48,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:48,069 INFO L215 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, 1, 1] [2024-11-09 05:37:48,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:37:48,069 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:37:48,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:48,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1122437287, now seen corresponding path program 1 times [2024-11-09 05:37:48,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:37:48,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828613588] [2024-11-09 05:37:48,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:48,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:37:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:48,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:37:48,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828613588] [2024-11-09 05:37:48,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828613588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:48,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:48,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:37:48,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336649988] [2024-11-09 05:37:48,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:48,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:37:48,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:37:48,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:37:48,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:37:48,444 INFO L87 Difference]: Start difference. First operand 483 states and 596 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-09 05:37:50,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:52,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:55,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:57,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:59,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:01,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:03,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:06,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:08,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:09,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:11,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:11,711 INFO L93 Difference]: Finished difference Result 772 states and 954 transitions. [2024-11-09 05:38:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:38:11,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) Word has length 27 [2024-11-09 05:38:11,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:11,719 INFO L225 Difference]: With dead ends: 772 [2024-11-09 05:38:11,720 INFO L226 Difference]: Without dead ends: 637 [2024-11-09 05:38:11,721 INFO L431 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 [2024-11-09 05:38:11,722 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 65 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:11,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 464 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 9 Unknown, 0 Unchecked, 23.2s Time] [2024-11-09 05:38:11,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-09 05:38:11,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 483. [2024-11-09 05:38:11,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 439 states have (on average 1.24373576309795) internal successors, (546), 455 states have internal predecessors, (546), 23 states have call successors, (23), 10 states have call predecessors, (23), 7 states have return successors, (26), 18 states have call predecessors, (26), 23 states have call successors, (26) [2024-11-09 05:38:11,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 595 transitions. [2024-11-09 05:38:11,782 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 595 transitions. Word has length 27 [2024-11-09 05:38:11,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:11,782 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 595 transitions. [2024-11-09 05:38:11,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-09 05:38:11,783 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 595 transitions. [2024-11-09 05:38:11,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 05:38:11,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:11,784 INFO L215 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, 1, 1, 1, 1] [2024-11-09 05:38:11,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:38:11,784 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:38:11,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:11,785 INFO L85 PathProgramCache]: Analyzing trace with hash 401593874, now seen corresponding path program 1 times [2024-11-09 05:38:11,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:11,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604824962] [2024-11-09 05:38:11,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:11,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:12,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:38:12,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:12,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604824962] [2024-11-09 05:38:12,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604824962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:12,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:12,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:38:12,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532776067] [2024-11-09 05:38:12,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:12,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:38:12,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:12,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:38:12,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:38:12,015 INFO L87 Difference]: Start difference. First operand 483 states and 595 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 05:38:14,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:16,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:18,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:20,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:22,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:24,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:26,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:28,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:30,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:32,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:34,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:36,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:38:36,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:36,885 INFO L93 Difference]: Finished difference Result 511 states and 616 transitions. [2024-11-09 05:38:36,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:38:36,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-09 05:38:36,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:36,892 INFO L225 Difference]: With dead ends: 511 [2024-11-09 05:38:36,892 INFO L226 Difference]: Without dead ends: 509 [2024-11-09 05:38:36,893 INFO L431 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 [2024-11-09 05:38:36,894 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 135 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:36,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 332 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 11 Unknown, 0 Unchecked, 24.8s Time] [2024-11-09 05:38:36,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-09 05:38:36,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 500. [2024-11-09 05:38:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 451 states have (on average 1.2394678492239468) internal successors, (559), 468 states have internal predecessors, (559), 26 states have call successors, (26), 12 states have call predecessors, (26), 9 states have return successors, (29), 21 states have call predecessors, (29), 26 states have call successors, (29) [2024-11-09 05:38:36,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 614 transitions. [2024-11-09 05:38:36,949 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 614 transitions. Word has length 29 [2024-11-09 05:38:36,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:36,950 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 614 transitions. [2024-11-09 05:38:36,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 05:38:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 614 transitions. [2024-11-09 05:38:36,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 05:38:36,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:36,952 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:36,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:38:36,952 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:38:36,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:36,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1957746436, now seen corresponding path program 1 times [2024-11-09 05:38:36,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:36,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534560909] [2024-11-09 05:38:36,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:36,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:38:37,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:37,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534560909] [2024-11-09 05:38:37,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534560909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:37,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:37,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:38:37,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964767154] [2024-11-09 05:38:37,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:37,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:38:37,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:37,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:38:37,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:38:37,300 INFO L87 Difference]: Start difference. First operand 500 states and 614 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2024-11-09 05:38:39,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:41,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:43,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:44,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:46,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:48,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:50,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:52,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:54,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:56,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:38:59,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:01,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:39:02,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:02,224 INFO L93 Difference]: Finished difference Result 920 states and 1121 transitions. [2024-11-09 05:39:02,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:39:02,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) Word has length 33 [2024-11-09 05:39:02,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:02,232 INFO L225 Difference]: With dead ends: 920 [2024-11-09 05:39:02,233 INFO L226 Difference]: Without dead ends: 425 [2024-11-09 05:39:02,234 INFO L431 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 [2024-11-09 05:39:02,235 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 48 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:02,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 333 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 11 Unknown, 0 Unchecked, 24.9s Time] [2024-11-09 05:39:02,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-09 05:39:02,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 418. [2024-11-09 05:39:02,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 375 states have (on average 1.2186666666666666) internal successors, (457), 391 states have internal predecessors, (457), 21 states have call successors, (21), 10 states have call predecessors, (21), 8 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2024-11-09 05:39:02,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 502 transitions. [2024-11-09 05:39:02,262 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 502 transitions. Word has length 33 [2024-11-09 05:39:02,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:02,262 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 502 transitions. [2024-11-09 05:39:02,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2024-11-09 05:39:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 502 transitions. [2024-11-09 05:39:02,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 05:39:02,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:02,264 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:02,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:39:02,265 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:39:02,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:02,266 INFO L85 PathProgramCache]: Analyzing trace with hash -2058378511, now seen corresponding path program 1 times [2024-11-09 05:39:02,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:39:02,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554824281] [2024-11-09 05:39:02,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:02,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:39:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:02,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:39:02,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554824281] [2024-11-09 05:39:02,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554824281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:39:02,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419274958] [2024-11-09 05:39:02,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:02,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:39:02,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:39:02,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:39:02,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:39:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:03,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:39:03,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:03,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:03,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:03,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419274958] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:03,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [967397767] [2024-11-09 05:39:03,678 INFO L159 IcfgInterpreter]: Started Sifa with 35 locations of interest [2024-11-09 05:39:03,678 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:39:03,682 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:39:03,688 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:39:03,689 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:39:10,228 INFO L197 IcfgInterpreter]: Interpreting procedure alt_bzero with input of size 183 for LOIs [2024-11-09 05:39:10,652 INFO L197 IcfgInterpreter]: Interpreting procedure alt_malloc with input of size 105 for LOIs [2024-11-09 05:39:10,721 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:39:58,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [967397767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:58,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:39:58,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [7, 6, 7] total 34 [2024-11-09 05:39:58,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84444011] [2024-11-09 05:39:58,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:58,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 05:39:58,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:39:58,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 05:39:58,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=926, Unknown=11, NotChecked=0, Total=1122 [2024-11-09 05:39:58,444 INFO L87 Difference]: Start difference. First operand 418 states and 502 transitions. Second operand has 20 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 16 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 05:40:00,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:40:02,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:40:04,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:06,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:09,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:11,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:13,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:15,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:17,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:19,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:22,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:24,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:26,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:29,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:31,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:33,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:35,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:37,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:39,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:41,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:43,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:45,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:47,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:49,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:51,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:53,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:55,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:57,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:40:59,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:01,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:03,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:05,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:07,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:10,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:12,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:14,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:15,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:17,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:19,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:22,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:25,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:41:33,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:35,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:37,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:39,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:40,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:43,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:45,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:47,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:49,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:41:51,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:53,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:55,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:41:57,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:42:00,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:02,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:42:08,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:42:10,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:42:13,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:13,174 INFO L93 Difference]: Finished difference Result 824 states and 992 transitions. [2024-11-09 05:42:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 05:42:13,175 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 16 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2024-11-09 05:42:13,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:13,178 INFO L225 Difference]: With dead ends: 824 [2024-11-09 05:42:13,178 INFO L226 Difference]: Without dead ends: 414 [2024-11-09 05:42:13,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 47.9s TimeCoverageRelationStatistics Valid=185, Invalid=926, Unknown=11, NotChecked=0, Total=1122 [2024-11-09 05:42:13,180 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 6 mSDsluCounter, 1225 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 1 mSolverCounterUnsat, 59 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 59 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 134.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:13,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1383 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1178 Invalid, 59 Unknown, 0 Unchecked, 134.6s Time] [2024-11-09 05:42:13,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-09 05:42:13,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2024-11-09 05:42:13,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 371 states have (on average 1.2129380053908356) internal successors, (450), 386 states have internal predecessors, (450), 21 states have call successors, (21), 10 states have call predecessors, (21), 8 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2024-11-09 05:42:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 495 transitions. [2024-11-09 05:42:13,210 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 495 transitions. Word has length 37 [2024-11-09 05:42:13,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:13,211 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 495 transitions. [2024-11-09 05:42:13,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 16 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 05:42:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 495 transitions. [2024-11-09 05:42:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 05:42:13,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:13,212 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:13,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:42:13,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:42:13,413 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:42:13,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:13,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1336762825, now seen corresponding path program 1 times [2024-11-09 05:42:13,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:13,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340095335] [2024-11-09 05:42:13,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:13,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:13,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:13,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:13,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340095335] [2024-11-09 05:42:13,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340095335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:13,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:13,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:42:13,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287956697] [2024-11-09 05:42:13,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:13,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:42:13,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:13,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:42:13,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:42:13,850 INFO L87 Difference]: Start difference. First operand 414 states and 495 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:42:17,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:19,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:21,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:23,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:25,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:27,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:29,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:31,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:33,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:34,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:36,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:38,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:40,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:42,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:46,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:42:47,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:47,467 INFO L93 Difference]: Finished difference Result 753 states and 909 transitions. [2024-11-09 05:42:47,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:42:47,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2024-11-09 05:42:47,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:47,472 INFO L225 Difference]: With dead ends: 753 [2024-11-09 05:42:47,473 INFO L226 Difference]: Without dead ends: 751 [2024-11-09 05:42:47,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:42:47,474 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 180 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:47,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 748 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 14 Unknown, 0 Unchecked, 33.6s Time] [2024-11-09 05:42:47,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-09 05:42:47,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 740. [2024-11-09 05:42:47,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 682 states have (on average 1.215542521994135) internal successors, (829), 697 states have internal predecessors, (829), 33 states have call successors, (33), 15 states have call predecessors, (33), 11 states have return successors, (44), 27 states have call predecessors, (44), 33 states have call successors, (44) [2024-11-09 05:42:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 906 transitions. [2024-11-09 05:42:47,537 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 906 transitions. Word has length 42 [2024-11-09 05:42:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:47,538 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 906 transitions. [2024-11-09 05:42:47,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:42:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 906 transitions. [2024-11-09 05:42:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 05:42:47,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:47,542 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:47,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:42:47,542 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:42:47,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:47,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1258242079, now seen corresponding path program 1 times [2024-11-09 05:42:47,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:47,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794738520] [2024-11-09 05:42:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:47,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:48,176 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:42:48,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:48,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794738520] [2024-11-09 05:42:48,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794738520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:42:48,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107033496] [2024-11-09 05:42:48,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:48,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:42:48,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:42:48,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:42:48,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:42:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:48,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:42:48,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:42:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:48,953 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:42:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:42:49,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107033496] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:42:49,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:42:49,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 4] total 12 [2024-11-09 05:42:49,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517853937] [2024-11-09 05:42:49,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:49,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:42:49,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:49,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:42:49,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-09 05:42:49,422 INFO L87 Difference]: Start difference. First operand 740 states and 906 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 05:42:51,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:53,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:55,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:57,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:42:57,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:57,725 INFO L93 Difference]: Finished difference Result 740 states and 906 transitions. [2024-11-09 05:42:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:42:57,729 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 50 [2024-11-09 05:42:57,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:57,733 INFO L225 Difference]: With dead ends: 740 [2024-11-09 05:42:57,733 INFO L226 Difference]: Without dead ends: 739 [2024-11-09 05:42:57,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-09 05:42:57,735 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 483 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 34 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:57,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 165 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 26 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2024-11-09 05:42:57,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-11-09 05:42:57,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2024-11-09 05:42:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 682 states have (on average 1.2111436950146628) internal successors, (826), 696 states have internal predecessors, (826), 33 states have call successors, (33), 15 states have call predecessors, (33), 11 states have return successors, (44), 27 states have call predecessors, (44), 33 states have call successors, (44) [2024-11-09 05:42:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 903 transitions. [2024-11-09 05:42:57,781 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 903 transitions. Word has length 50 [2024-11-09 05:42:57,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:57,782 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 903 transitions. [2024-11-09 05:42:57,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 05:42:57,782 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 903 transitions. [2024-11-09 05:42:57,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 05:42:57,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:57,783 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:57,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:42:57,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:42:57,987 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:42:57,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:57,988 INFO L85 PathProgramCache]: Analyzing trace with hash 350798854, now seen corresponding path program 1 times [2024-11-09 05:42:57,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:57,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278270514] [2024-11-09 05:42:57,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:57,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:42:58,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:58,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278270514] [2024-11-09 05:42:58,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278270514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:42:58,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798533616] [2024-11-09 05:42:58,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:58,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:42:58,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:42:58,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:42:58,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:42:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:59,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:42:59,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:42:59,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:59,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:42:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:42:59,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798533616] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:42:59,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [705659857] [2024-11-09 05:42:59,616 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2024-11-09 05:42:59,617 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:42:59,617 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:42:59,617 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:42:59,618 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:43:05,526 INFO L197 IcfgInterpreter]: Interpreting procedure alt_bzero with input of size 159 for LOIs [2024-11-09 05:43:05,823 INFO L197 IcfgInterpreter]: Interpreting procedure alt_malloc with input of size 105 for LOIs [2024-11-09 05:43:06,079 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 106 for LOIs [2024-11-09 05:43:06,167 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:43:47,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [705659857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:47,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:43:47,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [5, 4, 5] total 34 [2024-11-09 05:43:47,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997822893] [2024-11-09 05:43:47,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:47,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:43:47,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:47,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:43:47,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=811, Unknown=11, NotChecked=0, Total=1122 [2024-11-09 05:43:47,884 INFO L87 Difference]: Start difference. First operand 739 states and 903 transitions. Second operand has 23 states, 20 states have (on average 1.8) internal successors, (36), 19 states have internal predecessors, (36), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:43:50,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:43:52,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:43:54,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:43:56,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:43:58,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:01,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:03,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:05,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:07,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:09,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:12,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:15,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:16,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:18,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:20,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:22,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:24,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:26,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:28,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:30,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:32,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:34,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:36,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:38,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:40,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:42,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:44,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:46,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:48,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:50,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:52,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:54,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:56,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:44:58,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:45:00,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:45:02,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:45:05,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:45:08,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:45:09,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:45:11,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:45:13,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:45:16,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:45:18,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:45:40,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:45:42,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:45:44,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:45:46,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:45:48,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:45:50,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:45:52,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:45:54,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:45:56,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:45:58,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:00,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:02,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:04,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:07,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:46:09,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:11,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:13,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:16,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:18,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:20,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:22,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:46:24,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:26,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:46:28,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:31,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:33,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:35,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:37,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:39,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:41,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:43,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:45,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:46:47,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:49,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:46:51,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:47:00,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:47:03,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:47:04,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:47:06,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:47:09,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:47:11,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:47:14,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:47:16,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:47:18,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:47:20,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:47:22,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:22,492 INFO L93 Difference]: Finished difference Result 1444 states and 1773 transitions. [2024-11-09 05:47:22,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 05:47:22,493 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 1.8) internal successors, (36), 19 states have internal predecessors, (36), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 51 [2024-11-09 05:47:22,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:22,498 INFO L225 Difference]: With dead ends: 1444 [2024-11-09 05:47:22,498 INFO L226 Difference]: Without dead ends: 740 [2024-11-09 05:47:22,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 121 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 41.9s TimeCoverageRelationStatistics Valid=300, Invalid=811, Unknown=11, NotChecked=0, Total=1122 [2024-11-09 05:47:22,501 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 5 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 0 mSolverCounterUnsat, 93 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 212.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1744 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 93 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 214.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:22,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1744 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1547 Invalid, 93 Unknown, 0 Unchecked, 214.4s Time] [2024-11-09 05:47:22,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-11-09 05:47:22,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2024-11-09 05:47:22,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 683 states have (on average 1.2108345534407028) internal successors, (827), 697 states have internal predecessors, (827), 33 states have call successors, (33), 15 states have call predecessors, (33), 11 states have return successors, (44), 27 states have call predecessors, (44), 33 states have call successors, (44) [2024-11-09 05:47:22,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 904 transitions. [2024-11-09 05:47:22,567 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 904 transitions. Word has length 51 [2024-11-09 05:47:22,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:22,568 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 904 transitions. [2024-11-09 05:47:22,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 1.8) internal successors, (36), 19 states have internal predecessors, (36), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:47:22,569 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 904 transitions. [2024-11-09 05:47:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 05:47:22,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:22,570 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:22,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:47:22,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 05:47:22,771 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 05:47:22,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:22,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1860554631, now seen corresponding path program 1 times [2024-11-09 05:47:22,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:22,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020097165] [2024-11-09 05:47:22,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:22,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 05:47:23,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:23,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020097165] [2024-11-09 05:47:23,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020097165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:23,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090027815] [2024-11-09 05:47:23,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:23,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:23,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:23,386 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:23,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2074edd-ff46-491e-959a-12f03611de72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:47:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:23,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:47:23,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:47:24,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:47:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 05:47:24,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090027815] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:47:24,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2077947754] [2024-11-09 05:47:24,679 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2024-11-09 05:47:24,679 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:47:24,679 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:47:24,680 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:47:24,680 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:47:32,955 INFO L197 IcfgInterpreter]: Interpreting procedure alt_bzero with input of size 228 for LOIs [2024-11-09 05:47:33,697 INFO L197 IcfgInterpreter]: Interpreting procedure alt_malloc with input of size 361 for LOIs [2024-11-09 05:47:41,037 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 390 for LOIs [2024-11-09 05:47:45,927 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:08,451 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse53 (= |c_old(~alt_malloc_balance~0)| 0)) (.cse54 (= 0 c_~alt_bzero_count~0)) (.cse55 (= 44 |c_alt_malloc_#in~sz|)) (.cse56 (= c_~alt_malloc_balance~0 0)) (.cse1 (= 384 |c_alt_malloc_#in~sz|)) (.cse2 (= 3 |c_~#alt_malloc_sizes~0.base|)) (.cse4 (<= |c_old(~alt_malloc_balance~0)| 2147483647)) (.cse5 (<= 1 |c_#StackHeapBarrier|)) (.cse42 (= |c_~#alt_malloc_sizes~0.offset| 0)) (.cse43 (= c_~alt_memcmp_count~0 0)) (.cse45 (<= 0 (+ |c_old(~alt_malloc_balance~0)| 2147483648)))) (and (let ((.cse0 (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|)) (.cse3 (= |c_#valid| |c_old(#valid)|)) (.cse41 (= |c_old(#memory_int)| |c_#memory_int|)) (.cse44 (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|)) (.cse46 (= |c_old(#length)| |c_#length|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((|v_#memory_$Pointer$.offset_457| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| Int) (|v_#memory_$Pointer$.offset_68| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_67| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_457| (Array Int (Array Int Int))) (|v_#memory_int_552| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_68| (Array Int (Array Int Int))) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_67| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_19| Int)) (let ((.cse39 (select (select |v_#memory_$Pointer$.base_457| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8)) (.cse40 (+ (select (select |v_#memory_$Pointer$.offset_457| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8) 16))) (let ((.cse37 (store |v_#memory_$Pointer$.offset_457| .cse39 (store (select |v_#memory_$Pointer$.offset_457| .cse39) .cse40 8))) (.cse38 (store |v_#memory_$Pointer$.base_457| .cse39 (store (select |v_#memory_$Pointer$.base_457| .cse39) .cse40 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|)))) (let ((.cse6 (select (select |v_#memory_$Pointer$.base_68| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8)) (.cse7 (+ (select (select |v_#memory_$Pointer$.offset_68| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8) 20)) (.cse35 (select (select .cse38 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8)) (.cse36 (+ (select (select .cse37 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8) 4)) (.cse33 (select (select |v_#memory_$Pointer$.base_67| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8)) (.cse34 (+ 8 (select (select |v_#memory_$Pointer$.offset_67| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8)))) (and (= (store |v_#memory_$Pointer$.base_68| .cse6 (store (select |v_#memory_$Pointer$.base_68| .cse6) .cse7 (select (select |c_old(#memory_$Pointer$.base)| .cse6) .cse7))) |c_old(#memory_$Pointer$.base)|) (let ((.cse17 (exists ((|v_old(#memory_int)_AFTER_CALL_24| (Array Int (Array Int Int))) (|v_#memory_int_65| (Array Int (Array Int Int))) (|v_#memory_int_159| (Array Int (Array Int Int))) (|v_#memory_int_545| (Array Int (Array Int Int)))) (let ((.cse29 (select |v_#memory_int_65| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|)) (.cse30 (select |v_#memory_int_159| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|))) (and (= (store |v_#memory_int_65| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store (store .cse29 32 4) 16 (select .cse30 16))) |v_#memory_int_159|) (= |v_#memory_int_65| (store |v_#memory_int_545| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store (store (select |v_#memory_int_545| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 36 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_19|) 28 (select .cse29 28)))) (= |v_old(#memory_int)_AFTER_CALL_24| (store |v_#memory_int_159| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store .cse30 12 (select (select |v_old(#memory_int)_AFTER_CALL_24| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 12)))))))) (.cse12 (exists ((|v_#memory_$Pointer$.base_51| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_451| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_450| (Array Int (Array Int Int)))) (let ((.cse28 (select |v_#memory_$Pointer$.base_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|))) (and (= |v_#memory_$Pointer$.base_51| (store |v_#memory_$Pointer$.base_450| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store (select |v_#memory_$Pointer$.base_450| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 36 (select .cse28 36)))) (= (store |v_#memory_$Pointer$.base_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store (store .cse28 28 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 32 (select (select |v_#memory_$Pointer$.base_451| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 32))) |v_#memory_$Pointer$.base_451|))))) (.cse13 (exists ((|v_#memory_$Pointer$.offset_51| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_450| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_451| (Array Int (Array Int Int)))) (let ((.cse27 (select |v_#memory_$Pointer$.offset_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|))) (and (= |v_#memory_$Pointer$.offset_451| (store |v_#memory_$Pointer$.offset_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store (store .cse27 28 0) 32 (select (select |v_#memory_$Pointer$.offset_451| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 32)))) (= (store |v_#memory_$Pointer$.offset_450| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store (select |v_#memory_$Pointer$.offset_450| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 36 (select .cse27 36))) |v_#memory_$Pointer$.offset_51|))))) (.cse14 (exists ((|v_#memory_int_65| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_25| (Array Int (Array Int Int))) (|v_#memory_int_159| (Array Int (Array Int Int))) (|v_#memory_int_545| (Array Int (Array Int Int)))) (let ((.cse25 (select |v_#memory_int_65| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|)) (.cse26 (select |v_#memory_int_159| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|))) (and (= (store |v_#memory_int_65| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store (store .cse25 32 4) 16 (select .cse26 16))) |v_#memory_int_159|) (= |v_#memory_int_65| (store |v_#memory_int_545| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store (store (select |v_#memory_int_545| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 36 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_19|) 28 (select .cse25 28)))) (= |v_old(#memory_int)_AFTER_CALL_25| (store |v_#memory_int_159| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store .cse26 12 (select (select |v_old(#memory_int)_AFTER_CALL_25| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 12)))))))) (.cse8 (exists ((|v_alt_bzero_#Ultimate.C_memset_#t~loopctr306#1_39| Int) (|v_alt_bzero_#Ultimate.C_memset_#amount#1_32| Int)) (and (<= (mod |v_alt_bzero_#Ultimate.C_memset_#amount#1_32| 4294967296) (mod |v_alt_bzero_#Ultimate.C_memset_#t~loopctr306#1_39| 4294967296)) (let ((.cse23 (<= c_~alt_bzero_count~0 2147483647)) (.cse24 (<= 0 (+ 2147483648 c_~alt_bzero_count~0)))) (or (and .cse23 (<= 0 |v_alt_bzero_#Ultimate.C_memset_#t~loopctr306#1_39|) .cse24) (and .cse23 (<= 1 |v_alt_bzero_#Ultimate.C_memset_#t~loopctr306#1_39|) .cse24))))))) (or (and (exists ((|v_#memory_int_548| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_26| (Array Int (Array Int Int)))) (= |v_old(#memory_int)_AFTER_CALL_26| (store |v_#memory_int_548| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store (select |v_#memory_int_548| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8 (select (select |v_old(#memory_int)_AFTER_CALL_26| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8))))) .cse8 (exists ((|v_old(#memory_$Pointer$.base)_AFTER_CALL_26| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_453| (Array Int (Array Int Int)))) (let ((.cse9 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8))) (and (= (store |v_#memory_$Pointer$.base_453| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store (select |v_#memory_$Pointer$.base_453| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8 .cse9)) |v_old(#memory_$Pointer$.base)_AFTER_CALL_26|) (let ((.cse10 (<= (+ .cse9 1) |c_#StackHeapBarrier|)) (.cse11 (exists ((|v_#valid_106| (Array Int Int))) (and (= (select |v_#valid_106| .cse9) 0) (= (store |v_#valid_106| .cse9 1) |c_old(#valid)|)))) (.cse15 (not (= .cse9 0))) (.cse16 (exists ((v_alt_malloc_~sz_36 Int) (|v_#length_76| (Array Int Int))) (= (store |v_#length_76| .cse9 (mod v_alt_malloc_~sz_36 4294967296)) |c_old(#length)|)))) (or (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse10 .cse11 .cse17 .cse12 .cse13 .cse15 .cse16))))))) (and (exists ((|v_#memory_int_548| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_27| (Array Int (Array Int Int)))) (= |v_old(#memory_int)_AFTER_CALL_27| (store |v_#memory_int_548| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store (select |v_#memory_int_548| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8 (select (select |v_old(#memory_int)_AFTER_CALL_27| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8))))) (exists ((|v_#memory_$Pointer$.base_453| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_27| (Array Int (Array Int Int)))) (let ((.cse18 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_27| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8))) (and (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_27| (store |v_#memory_$Pointer$.base_453| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20| (store (select |v_#memory_$Pointer$.base_453| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_20|) 8 .cse18))) (let ((.cse19 (<= (+ .cse18 1) |c_#StackHeapBarrier|)) (.cse20 (exists ((v_alt_malloc_~sz_36 Int) (|v_#length_76| (Array Int Int))) (= (store |v_#length_76| .cse18 (mod v_alt_malloc_~sz_36 4294967296)) |c_old(#length)|))) (.cse21 (not (= .cse18 0))) (.cse22 (exists ((|v_#valid_106| (Array Int Int))) (and (= (store |v_#valid_106| .cse18 1) |c_old(#valid)|) (= (select |v_#valid_106| .cse18) 0))))) (or (and .cse19 .cse20 .cse21 .cse22 .cse17 .cse12 .cse13) (and .cse19 .cse20 .cse21 .cse22 .cse12 .cse13 .cse14)))))) .cse8))) (= |c_old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_68| .cse6 (store (select |v_#memory_$Pointer$.offset_68| .cse6) .cse7 (select (select |c_old(#memory_$Pointer$.offset)| .cse6) .cse7)))) (= (let ((.cse31 (let ((.cse32 (store |v_#memory_int_81| .cse35 (store (select |v_#memory_int_81| .cse35) .cse36 32)))) (store .cse32 .cse33 (store (select .cse32 .cse33) .cse34 5))))) (store .cse31 .cse6 (store (select .cse31 .cse6) .cse7 8))) |c_old(#memory_int)|) (= (store .cse37 .cse35 (store (select .cse37 .cse35) .cse36 (select (select |v_#memory_$Pointer$.offset_67| .cse35) .cse36))) |v_#memory_$Pointer$.offset_67|) (= (store .cse38 .cse35 (store (select .cse38 .cse35) .cse36 (select (select |v_#memory_$Pointer$.base_67| .cse35) .cse36))) |v_#memory_$Pointer$.base_67|) (= |v_#memory_$Pointer$.base_68| (store |v_#memory_$Pointer$.base_67| .cse33 (store (select |v_#memory_$Pointer$.base_67| .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_68| .cse33) .cse34)))) (= |v_#memory_$Pointer$.offset_68| (store |v_#memory_$Pointer$.offset_67| .cse33 (store (select |v_#memory_$Pointer$.offset_67| .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_68| .cse33) .cse34)))) (= |v_#memory_int_81| (store |v_#memory_int_552| .cse39 (store (select |v_#memory_int_552| .cse39) .cse40 (select (select |v_#memory_int_81| .cse39) .cse40))))))))) .cse41 .cse42 .cse43 .cse44 .cse45 (= c_~alt_malloc_balance~0 |c_old(~alt_malloc_balance~0)|) .cse46) (and (exists ((|v_#memory_$Pointer$.offset_51| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22| Int) (|v_#memory_int_65| (Array Int (Array Int Int))) (|v_#memory_int_159| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_51| (Array Int (Array Int Int))) (|v_#memory_int_545| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_21| Int) (|v_#memory_$Pointer$.offset_450| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_451| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_451| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_450| (Array Int (Array Int Int)))) (let ((.cse47 (select |v_#memory_$Pointer$.base_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|)) (.cse49 (select |v_#memory_$Pointer$.offset_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|)) (.cse48 (select |v_#memory_$Pointer$.base_451| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|)) (.cse50 (select |v_#memory_$Pointer$.offset_451| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|)) (.cse51 (select |v_#memory_int_65| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|)) (.cse52 (select |v_#memory_int_159| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|))) (and (= (store |v_#memory_$Pointer$.base_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22| (store (store .cse47 28 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|) 32 (select .cse48 32))) |v_#memory_$Pointer$.base_451|) (= (store |v_#memory_$Pointer$.base_450| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22| (store (select |v_#memory_$Pointer$.base_450| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|) 36 (select .cse47 36))) |v_#memory_$Pointer$.base_51|) (= (store |v_#memory_$Pointer$.offset_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22| (store (store .cse49 28 0) 32 (select .cse50 32))) |v_#memory_$Pointer$.offset_451|) (= (store |v_#memory_int_65| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22| (store (store .cse51 32 4) 16 (select .cse52 16))) |v_#memory_int_159|) (= (store |v_#memory_$Pointer$.offset_450| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22| (store (select |v_#memory_$Pointer$.offset_450| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|) 36 (select .cse49 36))) |v_#memory_$Pointer$.offset_51|) (= |c_old(#memory_$Pointer$.base)| (store |v_#memory_$Pointer$.base_451| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22| (store (store .cse48 16 0) 12 0))) (= (store |v_#memory_$Pointer$.offset_451| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22| (store (store .cse50 16 0) 12 0)) |c_old(#memory_$Pointer$.offset)|) (= (store |v_#memory_int_545| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22| (store (store (select |v_#memory_int_545| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|) 36 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_21|) 28 (select .cse51 28))) |v_#memory_int_65|) (= (store |v_#memory_int_159| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22| (store .cse52 12 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|) 12))) |c_old(#memory_int)|)))) .cse0 .cse2 .cse3 .cse53 .cse5 .cse41 .cse54 .cse42 .cse43 .cse55 .cse44 .cse56 .cse46))) (or (and .cse2 .cse53 .cse5 .cse54 .cse42 .cse43 .cse55 .cse56) (and .cse1 .cse2 .cse4 .cse5 (<= 0 (+ c_~alt_malloc_balance~0 2147483648)) .cse42 .cse43 .cse45 (<= c_~alt_malloc_balance~0 2147483647))))) is different from false