./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test02-1.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_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/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_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test02-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/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_6854c5c1-0df9-4b43-a473-aee36372f5c2/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 1489855b7530896bdd176b2b4b6c40b97d8289986908954c704880efe20dffb0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:15,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:15,806 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 04:58:15,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:15,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:15,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:15,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:15,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:15,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:15,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:15,872 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:15,873 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:15,874 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:15,875 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:58:15,876 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:15,876 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:15,877 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:58:15,877 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:58:15,878 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:15,878 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:58:15,878 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:58:15,879 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:58:15,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:15,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:15,881 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:15,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:58:15,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:15,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:15,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:15,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:15,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:15,885 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:58:15,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:58:15,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:15,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:15,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:15,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:15,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:15,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:15,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:15,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:15,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:15,888 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:58:15,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:58:15,888 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:15,889 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:15,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:15,889 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_6854c5c1-0df9-4b43-a473-aee36372f5c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1489855b7530896bdd176b2b4b6c40b97d8289986908954c704880efe20dffb0 [2023-11-19 04:58:16,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:16,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:16,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:16,184 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:16,184 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:16,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test02-1.i [2023-11-19 04:58:19,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:19,654 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:19,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/sv-benchmarks/c/memsafety-ext2/complex_data_creation_test02-1.i [2023-11-19 04:58:19,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/data/24e94e4eb/d2377d1599c747d6abe2c20d47fa5fed/FLAG00d2ab151 [2023-11-19 04:58:19,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/data/24e94e4eb/d2377d1599c747d6abe2c20d47fa5fed [2023-11-19 04:58:19,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:19,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:19,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:19,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:19,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:19,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:19" (1/1) ... [2023-11-19 04:58:19,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ba5189c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:19, skipping insertion in model container [2023-11-19 04:58:19,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:19" (1/1) ... [2023-11-19 04:58:19,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:20,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:20,060 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:58:20,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:20,150 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:58:20,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20 WrapperNode [2023-11-19 04:58:20,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:20,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:20,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:58:20,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:58:20,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20" (1/1) ... [2023-11-19 04:58:20,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20" (1/1) ... [2023-11-19 04:58:20,239 INFO L138 Inliner]: procedures = 126, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2023-11-19 04:58:20,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:20,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:58:20,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:58:20,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:58:20,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20" (1/1) ... [2023-11-19 04:58:20,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20" (1/1) ... [2023-11-19 04:58:20,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20" (1/1) ... [2023-11-19 04:58:20,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20" (1/1) ... [2023-11-19 04:58:20,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20" (1/1) ... [2023-11-19 04:58:20,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20" (1/1) ... [2023-11-19 04:58:20,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20" (1/1) ... [2023-11-19 04:58:20,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20" (1/1) ... [2023-11-19 04:58:20,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:58:20,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:58:20,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:58:20,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:58:20,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20" (1/1) ... [2023-11-19 04:58:20,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:20,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:20,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:58:20,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:58:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:58:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:58:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:58:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure create_data [2023-11-19 04:58:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure create_data [2023-11-19 04:58:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:58:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:58:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:58:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:58:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:58:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:58:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:58:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:58:20,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:58:20,557 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:58:20,559 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:58:20,961 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:58:21,171 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:58:21,174 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 04:58:21,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:21 BoogieIcfgContainer [2023-11-19 04:58:21,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:58:21,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:58:21,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:58:21,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:58:21,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:58:19" (1/3) ... [2023-11-19 04:58:21,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1a4a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:21, skipping insertion in model container [2023-11-19 04:58:21,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:20" (2/3) ... [2023-11-19 04:58:21,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1a4a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:21, skipping insertion in model container [2023-11-19 04:58:21,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:21" (3/3) ... [2023-11-19 04:58:21,195 INFO L112 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test02-1.i [2023-11-19 04:58:21,216 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:58:21,216 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-19 04:58:21,262 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:58:21,270 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;@cbb4ab6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:58:21,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-19 04:58:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 32 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:58:21,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:58:21,283 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:21,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:21,284 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 04:58:21,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:21,290 INFO L85 PathProgramCache]: Analyzing trace with hash -787960438, now seen corresponding path program 1 times [2023-11-19 04:58:21,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:21,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523542227] [2023-11-19 04:58:21,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:21,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:21,722 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 04:58:21,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:58:21,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523542227] [2023-11-19 04:58:21,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523542227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:21,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:58:21,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:58:21,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839856924] [2023-11-19 04:58:21,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:21,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:58:21,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:58:21,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:58:21,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:58:21,763 INFO L87 Difference]: Start difference. First operand has 36 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 32 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-11-19 04:58:21,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:21,854 INFO L93 Difference]: Finished difference Result 74 states and 101 transitions. [2023-11-19 04:58:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:58:21,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 8 [2023-11-19 04:58:21,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:21,864 INFO L225 Difference]: With dead ends: 74 [2023-11-19 04:58:21,865 INFO L226 Difference]: Without dead ends: 35 [2023-11-19 04:58:21,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:58:21,872 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 3 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:21,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 97 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:58:21,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-19 04:58:21,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-19 04:58:21,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:58:21,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2023-11-19 04:58:21,915 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 8 [2023-11-19 04:58:21,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:21,916 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2023-11-19 04:58:21,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-11-19 04:58:21,916 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2023-11-19 04:58:21,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:58:21,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:21,918 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:21,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:58:21,919 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 04:58:21,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:21,920 INFO L85 PathProgramCache]: Analyzing trace with hash -2133078385, now seen corresponding path program 1 times [2023-11-19 04:58:21,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:21,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230595415] [2023-11-19 04:58:21,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:21,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:58:22,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:58:22,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230595415] [2023-11-19 04:58:22,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230595415] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:58:22,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323226565] [2023-11-19 04:58:22,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:22,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:22,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:22,184 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:58:22,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:58:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:22,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:58:22,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:22,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:58:22,420 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:58:22,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323226565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:22,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 04:58:22,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-19 04:58:22,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733557552] [2023-11-19 04:58:22,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:22,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:58:22,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:58:22,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:58:22,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:58:22,435 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2023-11-19 04:58:22,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:22,538 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2023-11-19 04:58:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:58:22,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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 11 [2023-11-19 04:58:22,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:22,543 INFO L225 Difference]: With dead ends: 37 [2023-11-19 04:58:22,544 INFO L226 Difference]: Without dead ends: 36 [2023-11-19 04:58:22,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-19 04:58:22,548 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:22,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 90 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:58:22,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-19 04:58:22,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2023-11-19 04:58:22,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:58:22,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2023-11-19 04:58:22,565 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 11 [2023-11-19 04:58:22,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:22,566 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2023-11-19 04:58:22,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2023-11-19 04:58:22,567 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-11-19 04:58:22,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:58:22,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:22,570 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:22,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 04:58:22,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:22,784 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 04:58:22,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:22,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1700920441, now seen corresponding path program 1 times [2023-11-19 04:58:22,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:22,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294799919] [2023-11-19 04:58:22,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:22,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:22,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:58:22,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:58:22,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294799919] [2023-11-19 04:58:22,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294799919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:22,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:58:22,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:58:22,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702344055] [2023-11-19 04:58:22,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:22,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:58:22,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:58:22,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:58:22,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:58:22,937 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:58:22,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:22,972 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2023-11-19 04:58:22,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:58:22,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-19 04:58:22,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:22,975 INFO L225 Difference]: With dead ends: 34 [2023-11-19 04:58:22,975 INFO L226 Difference]: Without dead ends: 33 [2023-11-19 04:58:22,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:58:22,979 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:22,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:58:22,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-19 04:58:22,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2023-11-19 04:58:22,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.375) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:58:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2023-11-19 04:58:22,995 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 12 [2023-11-19 04:58:22,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:22,996 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2023-11-19 04:58:22,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:58:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-19 04:58:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:58:22,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:22,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:22,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:58:22,999 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 04:58:23,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:23,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1188345716, now seen corresponding path program 1 times [2023-11-19 04:58:23,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:23,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138473613] [2023-11-19 04:58:23,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:23,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:58:23,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:58:23,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138473613] [2023-11-19 04:58:23,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138473613] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:58:23,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741178308] [2023-11-19 04:58:23,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:23,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:23,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:23,135 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:58:23,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 04:58:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:23,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:58:23,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:58:23,312 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:58:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:58:23,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741178308] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:58:23,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [121289763] [2023-11-19 04:58:23,377 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2023-11-19 04:58:23,378 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:58:23,381 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:58:23,386 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:58:23,387 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:58:23,652 INFO L197 IcfgInterpreter]: Interpreting procedure create_data with input of size 97 for LOIs [2023-11-19 04:58:25,040 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:58:31,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [121289763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:31,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-19 04:58:31,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5, 5, 5] total 20 [2023-11-19 04:58:31,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864766278] [2023-11-19 04:58:31,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:31,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 04:58:31,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:58:31,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 04:58:31,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=319, Unknown=3, NotChecked=0, Total=380 [2023-11-19 04:58:31,888 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 13 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2023-11-19 04:58:33,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:58:35,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:58:37,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:37,734 INFO L93 Difference]: Finished difference Result 100 states and 123 transitions. [2023-11-19 04:58:37,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 04:58:37,735 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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 13 [2023-11-19 04:58:37,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:37,737 INFO L225 Difference]: With dead ends: 100 [2023-11-19 04:58:37,737 INFO L226 Difference]: Without dead ends: 70 [2023-11-19 04:58:37,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=58, Invalid=319, Unknown=3, NotChecked=0, Total=380 [2023-11-19 04:58:37,746 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 38 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:37,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 138 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 213 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2023-11-19 04:58:37,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-19 04:58:37,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 54. [2023-11-19 04:58:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 49 states have internal predecessors, (60), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-19 04:58:37,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2023-11-19 04:58:37,769 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 13 [2023-11-19 04:58:37,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:37,770 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2023-11-19 04:58:37,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2023-11-19 04:58:37,771 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-19 04:58:37,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:58:37,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:37,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:37,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:37,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:37,991 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting create_dataErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 04:58:37,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:37,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1406620780, now seen corresponding path program 1 times [2023-11-19 04:58:37,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:37,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511437893] [2023-11-19 04:58:37,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:37,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:38,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:58:38,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:58:38,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511437893] [2023-11-19 04:58:38,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511437893] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:58:38,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589506832] [2023-11-19 04:58:38,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:38,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:38,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:38,140 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:58:38,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 04:58:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:38,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:58:38,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:58:38,301 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:58:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:58:38,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589506832] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:58:38,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1364544722] [2023-11-19 04:58:38,342 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2023-11-19 04:58:38,342 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:58:38,343 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:58:38,343 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:58:38,343 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:58:38,450 INFO L197 IcfgInterpreter]: Interpreting procedure create_data with input of size 97 for LOIs [2023-11-19 04:58:39,416 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:58:50,682 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '778#(and (exists ((|v_create_data_#t~nondet20_7| Int)) (and (not (= |v_create_data_#t~nondet20_7| 0)) (<= |v_create_data_#t~nondet20_7| 2147483647) (<= 0 (+ |v_create_data_#t~nondet20_7| 2147483648)))) (<= 3 create_data_~counter~0) (= create_data_~data~0.offset 0) (<= 1 |#StackHeapBarrier|) (= create_data_~prevData.base 0) (= |create_data_#t~mem22| (select (select |#memory_int| create_data_~data~0.base) 0)) (= create_data_~data~0.base create_data_~origData~0.base) (= |create_data_#in~prevData.offset| 0) (exists ((|v_#memory_int_101| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_101| create_data_~data~0.base (store (store (select |v_#memory_int_101| create_data_~data~0.base) 8 0) 12 (select (select |v_#memory_int_102| create_data_~data~0.base) 12))) |v_#memory_int_102|) (= |#memory_int| (store |v_#memory_int_102| create_data_~nextData~0.base (store (select |v_#memory_int_102| create_data_~nextData~0.base) 4 (select (select |#memory_int| create_data_~nextData~0.base) 4)))))) (= create_data_~origData~0.offset 0) (= create_data_~nextData~0.offset 0) (= |create_data_#in~prevData.base| 0) (exists ((|v_#length_28| (Array Int Int))) (= |#length| (store |v_#length_28| create_data_~nextData~0.base 16))) (exists ((|v_#memory_$Pointer$.offset_26| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_100| (Array Int (Array Int Int)))) (and (= (store |v_#memory_$Pointer$.offset_100| create_data_~data~0.base (store (select |v_#memory_$Pointer$.offset_100| create_data_~data~0.base) 8 (select (select |v_#memory_$Pointer$.offset_26| create_data_~data~0.base) 8))) |v_#memory_$Pointer$.offset_26|) (= |#memory_$Pointer$.offset| (store (store |v_#memory_$Pointer$.offset_26| create_data_~data~0.base (store (select |v_#memory_$Pointer$.offset_26| create_data_~data~0.base) 12 0)) create_data_~nextData~0.base (store (select (store |v_#memory_$Pointer$.offset_26| create_data_~data~0.base (store (select |v_#memory_$Pointer$.offset_26| create_data_~data~0.base) 12 0)) create_data_~nextData~0.base) 4 0))))) (exists ((|v_#valid_49| (Array Int Int))) (and (= |#valid| (store |v_#valid_49| create_data_~nextData~0.base 1)) (= (select |v_#valid_49| create_data_~nextData~0.base) 0))) (exists ((|v_#memory_$Pointer$.base_100| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_26| (Array Int (Array Int Int)))) (and (= |v_#memory_$Pointer$.base_26| (store |v_#memory_$Pointer$.base_100| create_data_~data~0.base (store (select |v_#memory_$Pointer$.base_100| create_data_~data~0.base) 8 (select (select |v_#memory_$Pointer$.base_26| create_data_~data~0.base) 8)))) (= |#memory_$Pointer$.base| (store (store |v_#memory_$Pointer$.base_26| create_data_~data~0.base (store (select |v_#memory_$Pointer$.base_26| create_data_~data~0.base) 12 0)) create_data_~nextData~0.base (store (select (store |v_#memory_$Pointer$.base_26| create_data_~data~0.base (store (select |v_#memory_$Pointer$.base_26| create_data_~data~0.base) 12 0)) create_data_~nextData~0.base) 4 0))))) (<= (+ create_data_~nextData~0.base 1) |#StackHeapBarrier|) (<= create_data_~userInput~0 2147483647) (<= (+ 2147483449 |create_data_#t~mem22|) 0) (not (= create_data_~nextData~0.base 0)) (<= 0 (+ create_data_~userInput~0 2147483648)) (= create_data_~prevData.offset 0))' at error location [2023-11-19 04:58:50,683 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-19 04:58:50,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 04:58:50,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-19 04:58:50,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942881638] [2023-11-19 04:58:50,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 04:58:50,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 04:58:50,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:58:50,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 04:58:50,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=429, Unknown=4, NotChecked=0, Total=506 [2023-11-19 04:58:50,686 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 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) [2023-11-19 04:58:50,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:50,837 INFO L93 Difference]: Finished difference Result 110 states and 141 transitions. [2023-11-19 04:58:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 04:58:50,841 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 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 16 [2023-11-19 04:58:50,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:50,842 INFO L225 Difference]: With dead ends: 110 [2023-11-19 04:58:50,842 INFO L226 Difference]: Without dead ends: 66 [2023-11-19 04:58:50,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=88, Invalid=508, Unknown=4, NotChecked=0, Total=600 [2023-11-19 04:58:50,844 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 8 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:50,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 139 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:58:50,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-19 04:58:50,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-19 04:58:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 57 states have (on average 1.263157894736842) internal successors, (72), 61 states have internal predecessors, (72), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-19 04:58:50,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions. [2023-11-19 04:58:50,866 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 16 [2023-11-19 04:58:50,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:50,866 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions. [2023-11-19 04:58:50,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 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) [2023-11-19 04:58:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2023-11-19 04:58:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:58:50,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:50,869 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:50,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-19 04:58:51,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:51,084 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting create_dataErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 04:58:51,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:51,085 INFO L85 PathProgramCache]: Analyzing trace with hash -2090460596, now seen corresponding path program 2 times [2023-11-19 04:58:51,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:51,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654351411] [2023-11-19 04:58:51,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:51,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:51,626 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:58:51,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:58:51,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654351411] [2023-11-19 04:58:51,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654351411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:51,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:58:51,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:58:51,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878531004] [2023-11-19 04:58:51,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:51,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:58:51,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:58:51,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:58:51,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:58:51,629 INFO L87 Difference]: Start difference. First operand 66 states and 79 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2023-11-19 04:58:51,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:51,934 INFO L93 Difference]: Finished difference Result 97 states and 116 transitions. [2023-11-19 04:58:51,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:58:51,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 22 [2023-11-19 04:58:51,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:51,937 INFO L225 Difference]: With dead ends: 97 [2023-11-19 04:58:51,937 INFO L226 Difference]: Without dead ends: 95 [2023-11-19 04:58:51,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:58:51,939 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 26 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:51,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 96 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 04:58:51,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-19 04:58:51,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 81. [2023-11-19 04:58:51,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 71 states have (on average 1.267605633802817) internal successors, (90), 76 states have internal predecessors, (90), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-19 04:58:51,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 99 transitions. [2023-11-19 04:58:51,962 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 99 transitions. Word has length 22 [2023-11-19 04:58:51,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:51,962 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 99 transitions. [2023-11-19 04:58:51,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2023-11-19 04:58:51,963 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2023-11-19 04:58:51,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:58:51,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:51,965 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:51,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 04:58:51,965 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 04:58:51,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:51,966 INFO L85 PathProgramCache]: Analyzing trace with hash -328233065, now seen corresponding path program 1 times [2023-11-19 04:58:51,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:51,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835695078] [2023-11-19 04:58:51,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:51,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:58:52,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:58:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:58:52,105 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:58:52,105 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:58:52,107 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-19 04:58:52,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-19 04:58:52,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-19 04:58:52,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-19 04:58:52,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-19 04:58:52,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-19 04:58:52,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 04:58:52,116 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2023-11-19 04:58:52,122 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:58:52,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem26 [2023-11-19 04:58:52,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem3 could not be translated [2023-11-19 04:58:52,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-19 04:58:52,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-19 04:58:52,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-19 04:58:52,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-19 04:58:52,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-19 04:58:52,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-19 04:58:52,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-19 04:58:52,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-19 04:58:52,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-19 04:58:52,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-19 04:58:52,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-19 04:58:52,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-19 04:58:52,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-19 04:58:52,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:58:52 BoogieIcfgContainer [2023-11-19 04:58:52,181 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:58:52,184 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:58:52,187 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:58:52,187 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:58:52,188 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:21" (3/4) ... [2023-11-19 04:58:52,189 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:58:52,206 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem26 [2023-11-19 04:58:52,210 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem3 could not be translated [2023-11-19 04:58:52,210 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-19 04:58:52,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-19 04:58:52,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-19 04:58:52,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-19 04:58:52,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-19 04:58:52,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-19 04:58:52,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-19 04:58:52,221 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-19 04:58:52,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-19 04:58:52,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-19 04:58:52,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-19 04:58:52,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-19 04:58:52,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-19 04:58:52,277 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:58:52,277 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:58:52,278 INFO L158 Benchmark]: Toolchain (without parser) took 32588.70ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 125.2MB in the beginning and 138.2MB in the end (delta: -13.0MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2023-11-19 04:58:52,279 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:52,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.84ms. Allocated memory is still 165.7MB. Free memory was 124.5MB in the beginning and 106.9MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:58:52,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.69ms. Allocated memory is still 165.7MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:58:52,280 INFO L158 Benchmark]: Boogie Preprocessor took 74.27ms. Allocated memory is still 165.7MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:58:52,281 INFO L158 Benchmark]: RCFGBuilder took 865.31ms. Allocated memory is still 165.7MB. Free memory was 102.7MB in the beginning and 135.0MB in the end (delta: -32.3MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-11-19 04:58:52,282 INFO L158 Benchmark]: TraceAbstraction took 30998.65ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 134.2MB in the beginning and 141.3MB in the end (delta: -7.1MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2023-11-19 04:58:52,283 INFO L158 Benchmark]: Witness Printer took 93.70ms. Allocated memory is still 226.5MB. Free memory was 141.3MB in the beginning and 138.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:58:52,286 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.84ms. Allocated memory is still 165.7MB. Free memory was 124.5MB in the beginning and 106.9MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.69ms. Allocated memory is still 165.7MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.27ms. Allocated memory is still 165.7MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 865.31ms. Allocated memory is still 165.7MB. Free memory was 102.7MB in the beginning and 135.0MB in the end (delta: -32.3MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * TraceAbstraction took 30998.65ms. Allocated memory was 165.7MB in the beginning and 226.5MB in the end (delta: 60.8MB). Free memory was 134.2MB in the beginning and 141.3MB in the end (delta: -7.1MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Witness Printer took 93.70ms. Allocated memory is still 226.5MB. Free memory was 141.3MB in the beginning and 138.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem26 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem26 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 564]: integer overflow possible integer overflow possible We found a FailurePath: [L598] struct node_t *list = ((void *)0); [L599] int dataNotFinished = 0; VAL [dataNotFinished=0, list={3:0}] [L601] CALL append(&list) [L588] struct node_t *node = malloc(sizeof *node); [L589] EXPR \read(**pointerToList) [L589] node->next = *pointerToList [L590] EXPR \read(**pointerToList) VAL [node={-2:0}, pointerToList={3:0}, pointerToList={3:0}] [L590] COND TRUE *pointerToList == ((void *)0) [L591] CALL create_data(((void *)0)) VAL [prevData={0:0}] [L552] prevData != ((void *)0) && prevData->hasNextPartReference VAL [prevData={0:0}, prevData={0:0}] [L552] COND FALSE !(prevData != ((void *)0) && prevData->hasNextPartReference) [L555] Data data = malloc(sizeof *data); [L556] data->array = (int*) malloc(20 * sizeof(data->array)) [L557] int counter = 0; [L558] counter = 0 VAL [counter=0, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 3 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=1, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 3 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=2, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 3 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND FALSE !(counter < 3) [L561] data->number = 0 [L562] int userInput = __VERIFIER_nondet_int(); [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 [L563] EXPR data->number [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 [L563] EXPR data->number [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}, userInput=0] [L563] COND TRUE __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 && userInput < 200 && userInput > -200 [L564] EXPR data->number [L564] EXPR data->number + __VERIFIER_nondet_int() [L564] data->number = data->number + __VERIFIER_nondet_int() [L565] userInput = __VERIFIER_nondet_int() [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 [L563] EXPR data->number [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 [L563] EXPR data->number [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}, userInput=0] [L563] COND TRUE __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 && userInput < 200 && userInput > -200 [L564] EXPR data->number [L564] data->number + __VERIFIER_nondet_int() VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}, userInput=0] - UnprovableResult [Line: 558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 564]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 30.9s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 616 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 451 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 385 IncrementalHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 165 mSDtfsCounter, 385 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 63 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 18.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=6, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 34 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 4 NumberOfNonLiveVariables, 578 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 17/25 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: OVERALL_TIME: 1.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 11, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 20, TOOLS_POST_TIME: 1.3s, TOOLS_POST_CALL_APPLICATIONS: 1, TOOLS_POST_CALL_TIME: 0.1s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 21, TOOLS_QUANTIFIERELIM_TIME: 1.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 43, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 11, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 1.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 73, DAG_COMPRESSION_RETAINED_NODES: 39, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-19 04:58:52,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6854c5c1-0df9-4b43-a473-aee36372f5c2/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)