./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7dbada8959d2cc8064c4bd91b5eb9026b5ef55506175e9e1c24832dba2bf0e0c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:40,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:40,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 05:06:40,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:40,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:40,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:40,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:40,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:40,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:40,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:40,428 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:40,429 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:40,430 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:40,432 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:06:40,432 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:40,433 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:40,433 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:06:40,434 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:06:40,434 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:40,435 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:06:40,435 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:06:40,436 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:06:40,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:40,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:40,438 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:40,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:06:40,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:40,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:40,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:40,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:40,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:40,441 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:06:40,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:06:40,442 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:40,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:40,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:40,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:40,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:40,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:40,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:40,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:40,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:40,445 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:06:40,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:06:40,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:40,446 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:40,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:40,446 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_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dbada8959d2cc8064c4bd91b5eb9026b5ef55506175e9e1c24832dba2bf0e0c [2023-11-19 05:06:40,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:40,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:40,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:40,778 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:40,778 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:40,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i [2023-11-19 05:06:44,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:44,478 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:44,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i [2023-11-19 05:06:44,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/data/d593c0e95/405f0f8b16e84109b61de8802d0135b9/FLAG77ffd7d0e [2023-11-19 05:06:44,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/data/d593c0e95/405f0f8b16e84109b61de8802d0135b9 [2023-11-19 05:06:44,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:44,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:44,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:44,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:44,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:44,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:44" (1/1) ... [2023-11-19 05:06:44,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a59bfc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:44, skipping insertion in model container [2023-11-19 05:06:44,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:44" (1/1) ... [2023-11-19 05:06:44,621 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:44,956 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:06:45,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:45,445 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:45,488 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:06:45,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:45,703 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:06:45,704 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:06:45,712 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:45,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45 WrapperNode [2023-11-19 05:06:45,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:45,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:45,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:45,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:45,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,913 INFO L138 Inliner]: procedures = 208, calls = 282, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1358 [2023-11-19 05:06:45,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:45,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:45,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:45,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:45,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:46,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:46,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:46,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:46,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:46,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:46,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:46,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:46,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:46,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:46,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:46,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:46,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:06:46,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:06:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:06:46,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:06:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:06:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:06:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:06:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:06:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:06:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:06:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:06:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:06:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:06:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:06:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:06:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:06:46,605 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:06:46,608 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:06:48,440 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:06:50,152 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:06:50,153 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 05:06:50,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:50 BoogieIcfgContainer [2023-11-19 05:06:50,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:06:50,162 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:06:50,162 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:06:50,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:06:50,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:44" (1/3) ... [2023-11-19 05:06:50,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a50754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:50, skipping insertion in model container [2023-11-19 05:06:50,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (2/3) ... [2023-11-19 05:06:50,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a50754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:50, skipping insertion in model container [2023-11-19 05:06:50,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:50" (3/3) ... [2023-11-19 05:06:50,171 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test2-2.i [2023-11-19 05:06:50,194 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:06:50,194 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-19 05:06:50,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:06:50,277 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@30f1ccb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:06:50,278 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-19 05:06:50,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 114 states have (on average 1.7543859649122806) internal successors, (200), 120 states have internal predecessors, (200), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 05:06:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 05:06:50,293 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:50,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 05:06:50,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 05:06:50,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:50,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1425506977, now seen corresponding path program 1 times [2023-11-19 05:06:50,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:06:50,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503480581] [2023-11-19 05:06:50,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:50,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:06:50,470 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:06:50,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [461617089] [2023-11-19 05:06:50,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:50,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:06:50,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:50,474 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:06:50,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:06:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:50,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 05:06:50,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:50,931 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 [2023-11-19 05:06:50,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:06:51,001 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 [2023-11-19 05:06:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:06:51,012 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:06:51,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:06:51,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503480581] [2023-11-19 05:06:51,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:06:51,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461617089] [2023-11-19 05:06:51,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461617089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:51,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:06:51,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:06:51,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291697816] [2023-11-19 05:06:51,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:51,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:06:51,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:06:51,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:06:51,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:06:51,066 INFO L87 Difference]: Start difference. First operand has 125 states, 114 states have (on average 1.7543859649122806) internal successors, (200), 120 states have internal predecessors, (200), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:06:53,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:55,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:57,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:59,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:00,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:02,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:04,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:07,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:09,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:11,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:13,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:15,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:17,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:19,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:22,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:24,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:07:24,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:24,262 INFO L93 Difference]: Finished difference Result 359 states and 600 transitions. [2023-11-19 05:07:24,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 05:07:24,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2023-11-19 05:07:24,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:24,279 INFO L225 Difference]: With dead ends: 359 [2023-11-19 05:07:24,280 INFO L226 Difference]: Without dead ends: 169 [2023-11-19 05:07:24,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:07:24,286 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 286 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 14 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:24,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 288 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 190 Invalid, 11 Unknown, 0 Unchecked, 33.0s Time] [2023-11-19 05:07:24,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-19 05:07:24,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 166. [2023-11-19 05:07:24,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 153 states have (on average 1.1764705882352942) internal successors, (180), 158 states have internal predecessors, (180), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 05:07:24,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 192 transitions. [2023-11-19 05:07:24,362 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 192 transitions. Word has length 5 [2023-11-19 05:07:24,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:24,362 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 192 transitions. [2023-11-19 05:07:24,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:07:24,363 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 192 transitions. [2023-11-19 05:07:24,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 05:07:24,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:24,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:24,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:24,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:07:24,584 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 05:07:24,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:24,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1291643186, now seen corresponding path program 1 times [2023-11-19 05:07:24,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:24,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984309447] [2023-11-19 05:07:24,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:24,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:25,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:07:25,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:07:25,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984309447] [2023-11-19 05:07:25,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984309447] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:25,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:25,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:07:25,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034106197] [2023-11-19 05:07:25,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:25,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:07:25,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:07:25,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:07:25,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:25,019 INFO L87 Difference]: Start difference. First operand 166 states and 192 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:07:27,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:29,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:31,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:33,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:35,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:37,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:39,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:41,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:07:41,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:41,205 INFO L93 Difference]: Finished difference Result 166 states and 192 transitions. [2023-11-19 05:07:41,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:07:41,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 23 [2023-11-19 05:07:41,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:41,210 INFO L225 Difference]: With dead ends: 166 [2023-11-19 05:07:41,210 INFO L226 Difference]: Without dead ends: 125 [2023-11-19 05:07:41,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:41,214 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:41,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 6 Unknown, 0 Unchecked, 16.2s Time] [2023-11-19 05:07:41,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-19 05:07:41,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 70. [2023-11-19 05:07:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 65 states have internal predecessors, (72), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 05:07:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2023-11-19 05:07:41,230 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 23 [2023-11-19 05:07:41,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:41,231 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2023-11-19 05:07:41,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:07:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2023-11-19 05:07:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 05:07:41,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:41,233 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:41,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:07:41,234 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 05:07:41,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:41,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1017144456, now seen corresponding path program 1 times [2023-11-19 05:07:41,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:41,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588763324] [2023-11-19 05:07:41,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:41,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:41,316 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:07:41,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [16113975] [2023-11-19 05:07:41,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:41,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:07:41,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:41,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:07:41,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 05:07:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:41,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:07:41,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:07:41,830 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:41,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:07:41,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588763324] [2023-11-19 05:07:41,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:07:41,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16113975] [2023-11-19 05:07:41,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16113975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:41,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:41,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:07:41,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067321455] [2023-11-19 05:07:41,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:41,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:07:41,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:07:41,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:07:41,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:41,837 INFO L87 Difference]: Start difference. First operand 70 states and 78 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) [2023-11-19 05:07:43,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:45,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:45,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:45,879 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2023-11-19 05:07:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:07:45,884 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 [2023-11-19 05:07:45,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:45,884 INFO L225 Difference]: With dead ends: 78 [2023-11-19 05:07:45,884 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:07:45,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:45,886 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:45,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2023-11-19 05:07:45,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:07:45,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:07:45,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:07:45,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:07:45,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2023-11-19 05:07:45,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:45,888 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:07:45,888 INFO L496 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) [2023-11-19 05:07:45,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:07:45,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:07:45,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-19 05:07:45,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-19 05:07:45,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-19 05:07:45,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-19 05:07:45,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-19 05:07:45,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-19 05:07:45,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:46,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:07:46,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:07:46,252 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:07:46,252 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 05:07:46,252 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 05:07:46,253 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 816) no Hoare annotation was computed. [2023-11-19 05:07:46,253 INFO L899 garLoopResultBuilder]: For program point L826-68(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,253 INFO L895 garLoopResultBuilder]: At program point L826-69(line 826) the Hoare annotation is: (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~0#1.base|) [2023-11-19 05:07:46,253 INFO L899 garLoopResultBuilder]: For program point L826-70(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,254 INFO L895 garLoopResultBuilder]: At program point L826-71(line 826) the Hoare annotation is: (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~0#1.base|) [2023-11-19 05:07:46,254 INFO L899 garLoopResultBuilder]: For program point L823-170(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,254 INFO L895 garLoopResultBuilder]: At program point L823-171(line 823) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:07:46,254 INFO L899 garLoopResultBuilder]: For program point L823-172(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,254 INFO L899 garLoopResultBuilder]: For program point L823-173(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,255 INFO L895 garLoopResultBuilder]: At program point L823-174(line 823) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:07:46,255 INFO L899 garLoopResultBuilder]: For program point L823-175(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,255 INFO L895 garLoopResultBuilder]: At program point L823-176(line 823) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:07:46,255 INFO L899 garLoopResultBuilder]: For program point L823-178(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,255 INFO L899 garLoopResultBuilder]: For program point L823-180(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,256 INFO L895 garLoopResultBuilder]: At program point L823-182(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,256 INFO L899 garLoopResultBuilder]: For program point L823-183(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,256 INFO L899 garLoopResultBuilder]: For program point L823-184(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,256 INFO L895 garLoopResultBuilder]: At program point L823-186(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,256 INFO L899 garLoopResultBuilder]: For program point L823-187(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,257 INFO L899 garLoopResultBuilder]: For program point L823-188(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,257 INFO L895 garLoopResultBuilder]: At program point L823-189(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,257 INFO L899 garLoopResultBuilder]: For program point L823-190(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,257 INFO L899 garLoopResultBuilder]: For program point L823-193(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,258 INFO L895 garLoopResultBuilder]: At program point L823-194(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,258 INFO L899 garLoopResultBuilder]: For program point L823-202(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,258 INFO L895 garLoopResultBuilder]: At program point L823-203(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,258 INFO L899 garLoopResultBuilder]: For program point L823-210(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,258 INFO L899 garLoopResultBuilder]: For program point L823-212(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,259 INFO L895 garLoopResultBuilder]: At program point L823-214(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,259 INFO L899 garLoopResultBuilder]: For program point L823-215(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,259 INFO L899 garLoopResultBuilder]: For program point L823-225(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,259 INFO L895 garLoopResultBuilder]: At program point L830-9(lines 830 833) the Hoare annotation is: (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~0#1.base|) [2023-11-19 05:07:46,259 INFO L899 garLoopResultBuilder]: For program point L823-235(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,260 INFO L895 garLoopResultBuilder]: At program point L823-236(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,260 INFO L899 garLoopResultBuilder]: For program point L823-237(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,260 INFO L895 garLoopResultBuilder]: At program point L823-246(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,260 INFO L895 garLoopResultBuilder]: At program point L823-248(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,261 INFO L899 garLoopResultBuilder]: For program point L823-249(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,261 INFO L899 garLoopResultBuilder]: For program point L831-3(line 831) no Hoare annotation was computed. [2023-11-19 05:07:46,261 INFO L899 garLoopResultBuilder]: For program point L823-255(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,261 INFO L899 garLoopResultBuilder]: For program point L823-256(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,261 INFO L899 garLoopResultBuilder]: For program point L831-8(line 831) no Hoare annotation was computed. [2023-11-19 05:07:46,262 INFO L895 garLoopResultBuilder]: At program point L823-257(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,262 INFO L899 garLoopResultBuilder]: For program point L823-259(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,262 INFO L899 garLoopResultBuilder]: For program point L831-11(line 831) no Hoare annotation was computed. [2023-11-19 05:07:46,262 INFO L899 garLoopResultBuilder]: For program point L823-260(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,262 INFO L895 garLoopResultBuilder]: At program point L831-12(line 831) the Hoare annotation is: (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~0#1.base|) [2023-11-19 05:07:46,263 INFO L895 garLoopResultBuilder]: At program point L823-261(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,263 INFO L899 garLoopResultBuilder]: For program point L831-13(line 831) no Hoare annotation was computed. [2023-11-19 05:07:46,263 INFO L899 garLoopResultBuilder]: For program point L823-262(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,263 INFO L899 garLoopResultBuilder]: For program point L823-263(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,264 INFO L899 garLoopResultBuilder]: For program point L826-170(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,264 INFO L895 garLoopResultBuilder]: At program point L823-264(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,264 INFO L895 garLoopResultBuilder]: At program point L826-171(line 826) the Hoare annotation is: (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~0#1.base|) [2023-11-19 05:07:46,264 INFO L899 garLoopResultBuilder]: For program point L823-265(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,264 INFO L899 garLoopResultBuilder]: For program point L826-172(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,265 INFO L895 garLoopResultBuilder]: At program point L823-266(line 823) the Hoare annotation is: false [2023-11-19 05:07:46,265 INFO L899 garLoopResultBuilder]: For program point L826-173(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,265 INFO L899 garLoopResultBuilder]: For program point L823-267(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,265 INFO L895 garLoopResultBuilder]: At program point L826-174(line 826) the Hoare annotation is: (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~0#1.base|) [2023-11-19 05:07:46,265 INFO L899 garLoopResultBuilder]: For program point L823-268(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,266 INFO L899 garLoopResultBuilder]: For program point L826-175(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,266 INFO L895 garLoopResultBuilder]: At program point L823-269(line 823) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:07:46,266 INFO L895 garLoopResultBuilder]: At program point L826-176(line 826) the Hoare annotation is: (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~0#1.base|) [2023-11-19 05:07:46,266 INFO L899 garLoopResultBuilder]: For program point L831-22(line 831) no Hoare annotation was computed. [2023-11-19 05:07:46,267 INFO L899 garLoopResultBuilder]: For program point L826-178(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,267 INFO L895 garLoopResultBuilder]: At program point L831-23(line 831) the Hoare annotation is: (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~0#1.base|) [2023-11-19 05:07:46,267 INFO L899 garLoopResultBuilder]: For program point L826-185(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,267 INFO L895 garLoopResultBuilder]: At program point L826-186(line 826) the Hoare annotation is: false [2023-11-19 05:07:46,267 INFO L899 garLoopResultBuilder]: For program point L826-187(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,268 INFO L899 garLoopResultBuilder]: For program point L826-188(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,268 INFO L899 garLoopResultBuilder]: For program point L831-34(line 831) no Hoare annotation was computed. [2023-11-19 05:07:46,268 INFO L899 garLoopResultBuilder]: For program point L826-190(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,268 INFO L895 garLoopResultBuilder]: At program point L831-35(line 831) the Hoare annotation is: (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~0#1.base|) [2023-11-19 05:07:46,268 INFO L895 garLoopResultBuilder]: At program point L826-191(line 826) the Hoare annotation is: false [2023-11-19 05:07:46,269 INFO L899 garLoopResultBuilder]: For program point L831-36(line 831) no Hoare annotation was computed. [2023-11-19 05:07:46,269 INFO L899 garLoopResultBuilder]: For program point L831-37(line 831) no Hoare annotation was computed. [2023-11-19 05:07:46,269 INFO L899 garLoopResultBuilder]: For program point L831-38(line 831) no Hoare annotation was computed. [2023-11-19 05:07:46,269 INFO L895 garLoopResultBuilder]: At program point L831-39(line 831) the Hoare annotation is: (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~0#1.base|) [2023-11-19 05:07:46,269 INFO L899 garLoopResultBuilder]: For program point L831-40(line 831) no Hoare annotation was computed. [2023-11-19 05:07:46,270 INFO L899 garLoopResultBuilder]: For program point L826-197(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,270 INFO L899 garLoopResultBuilder]: For program point L826-198(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,270 INFO L899 garLoopResultBuilder]: For program point L826-201(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,270 INFO L899 garLoopResultBuilder]: For program point L826-202(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,270 INFO L899 garLoopResultBuilder]: For program point L826-204(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,271 INFO L895 garLoopResultBuilder]: At program point L826-205(line 826) the Hoare annotation is: false [2023-11-19 05:07:46,271 INFO L895 garLoopResultBuilder]: At program point L826-207(line 826) the Hoare annotation is: false [2023-11-19 05:07:46,271 INFO L899 garLoopResultBuilder]: For program point L826-208(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,271 INFO L895 garLoopResultBuilder]: At program point L826-209(line 826) the Hoare annotation is: false [2023-11-19 05:07:46,271 INFO L899 garLoopResultBuilder]: For program point L826-211(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,272 INFO L899 garLoopResultBuilder]: For program point L826-213(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,272 INFO L895 garLoopResultBuilder]: At program point L826-214(line 826) the Hoare annotation is: false [2023-11-19 05:07:46,272 INFO L899 garLoopResultBuilder]: For program point L826-215(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,272 INFO L899 garLoopResultBuilder]: For program point L826-216(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,272 INFO L895 garLoopResultBuilder]: At program point L826-217(line 826) the Hoare annotation is: (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~0#1.base|) [2023-11-19 05:07:46,273 INFO L899 garLoopResultBuilder]: For program point L826-218(line 826) no Hoare annotation was computed. [2023-11-19 05:07:46,273 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 810 835) no Hoare annotation was computed. [2023-11-19 05:07:46,273 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 825) no Hoare annotation was computed. [2023-11-19 05:07:46,273 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:07:46,273 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 822) no Hoare annotation was computed. [2023-11-19 05:07:46,274 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 816) no Hoare annotation was computed. [2023-11-19 05:07:46,274 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 825) no Hoare annotation was computed. [2023-11-19 05:07:46,274 INFO L899 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2023-11-19 05:07:46,274 INFO L899 garLoopResultBuilder]: For program point L816-1(lines 816 824) no Hoare annotation was computed. [2023-11-19 05:07:46,274 INFO L899 garLoopResultBuilder]: For program point L816-3(lines 816 824) no Hoare annotation was computed. [2023-11-19 05:07:46,275 INFO L899 garLoopResultBuilder]: For program point L816-4(line 816) no Hoare annotation was computed. [2023-11-19 05:07:46,275 INFO L899 garLoopResultBuilder]: For program point L816-5(line 816) no Hoare annotation was computed. [2023-11-19 05:07:46,275 INFO L895 garLoopResultBuilder]: At program point L816-6(lines 816 824) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:07:46,275 INFO L899 garLoopResultBuilder]: For program point L816-7(lines 816 824) no Hoare annotation was computed. [2023-11-19 05:07:46,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 822) no Hoare annotation was computed. [2023-11-19 05:07:46,276 INFO L899 garLoopResultBuilder]: For program point L822(line 822) no Hoare annotation was computed. [2023-11-19 05:07:46,276 INFO L899 garLoopResultBuilder]: For program point L822-1(line 822) no Hoare annotation was computed. [2023-11-19 05:07:46,276 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:07:46,276 INFO L899 garLoopResultBuilder]: For program point L825-1(lines 825 828) no Hoare annotation was computed. [2023-11-19 05:07:46,277 INFO L899 garLoopResultBuilder]: For program point L825-4(line 825) no Hoare annotation was computed. [2023-11-19 05:07:46,277 INFO L899 garLoopResultBuilder]: For program point L825-5(line 825) no Hoare annotation was computed. [2023-11-19 05:07:46,277 INFO L899 garLoopResultBuilder]: For program point L823-68(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,277 INFO L895 garLoopResultBuilder]: At program point L825-6(lines 825 828) the Hoare annotation is: (< |#StackHeapBarrier| |ULTIMATE.start_main_~#i~0#1.base|) [2023-11-19 05:07:46,277 INFO L895 garLoopResultBuilder]: At program point L823-69(line 823) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:07:46,278 INFO L899 garLoopResultBuilder]: For program point L825-7(lines 825 828) no Hoare annotation was computed. [2023-11-19 05:07:46,278 INFO L899 garLoopResultBuilder]: For program point L823-70(line 823) no Hoare annotation was computed. [2023-11-19 05:07:46,278 INFO L895 garLoopResultBuilder]: At program point L823-71(line 823) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 05:07:46,282 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 05:07:46,285 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:07:46,302 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:07:46,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:07:46 BoogieIcfgContainer [2023-11-19 05:07:46,308 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:07:46,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:07:46,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:07:46,310 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:07:46,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:50" (3/4) ... [2023-11-19 05:07:46,312 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:07:46,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 05:07:46,356 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 216 nodes and edges [2023-11-19 05:07:46,360 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2023-11-19 05:07:46,363 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 05:07:46,366 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 05:07:46,584 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:07:46,584 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:07:46,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:07:46,586 INFO L158 Benchmark]: Toolchain (without parser) took 62060.69ms. Allocated memory was 165.7MB in the beginning and 293.6MB in the end (delta: 127.9MB). Free memory was 117.7MB in the beginning and 158.1MB in the end (delta: -40.4MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2023-11-19 05:07:46,586 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:46,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1187.05ms. Allocated memory is still 165.7MB. Free memory was 117.7MB in the beginning and 82.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 05:07:46,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 199.23ms. Allocated memory is still 165.7MB. Free memory was 82.0MB in the beginning and 73.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:07:46,588 INFO L158 Benchmark]: Boogie Preprocessor took 245.44ms. Allocated memory is still 165.7MB. Free memory was 73.6MB in the beginning and 64.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:07:46,589 INFO L158 Benchmark]: RCFGBuilder took 3998.23ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 64.7MB in the beginning and 69.2MB in the end (delta: -4.5MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:46,589 INFO L158 Benchmark]: TraceAbstraction took 56146.61ms. Allocated memory was 224.4MB in the beginning and 293.6MB in the end (delta: 69.2MB). Free memory was 69.2MB in the beginning and 173.8MB in the end (delta: -104.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:46,590 INFO L158 Benchmark]: Witness Printer took 275.41ms. Allocated memory is still 293.6MB. Free memory was 173.8MB in the beginning and 158.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:07:46,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1187.05ms. Allocated memory is still 165.7MB. Free memory was 117.7MB in the beginning and 82.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 199.23ms. Allocated memory is still 165.7MB. Free memory was 82.0MB in the beginning and 73.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 245.44ms. Allocated memory is still 165.7MB. Free memory was 73.6MB in the beginning and 64.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3998.23ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 64.7MB in the beginning and 69.2MB in the end (delta: -4.5MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. * TraceAbstraction took 56146.61ms. Allocated memory was 224.4MB in the beginning and 293.6MB in the end (delta: 69.2MB). Free memory was 69.2MB in the beginning and 173.8MB in the end (delta: -104.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 275.41ms. Allocated memory is still 293.6MB. Free memory was 173.8MB in the beginning and 158.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 825]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 825]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 125 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 56.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 53.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18 mSolverCounterUnknown, 293 SdHoareTripleChecker+Valid, 53.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 290 mSDsluCounter, 440 SdHoareTripleChecker+Invalid, 53.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 238 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 217 IncrementalHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 202 mSDtfsCounter, 217 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 58 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 50 PreInvPairs, 92 NumberOfFragments, 148 HoareAnnotationTreeSize, 50 FomulaSimplifications, 390 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 212 SizeOfPredicates, 5 NumberOfNonLiveVariables, 395 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-19 05:07:46,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915f7073-3e80-4995-ae3f-888067b7768d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE