./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91 --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 232b8770d72be0c69bb3b6e33b82b59b612dcbb47eb932e66c113d1f5f5b981f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:00:11,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:00:11,939 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-25 00:00:11,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:00:11,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:00:11,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:00:11,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:00:11,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:00:11,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:00:11,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:00:11,998 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:00:12,000 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:00:12,001 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:00:12,003 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:00:12,003 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:00:12,004 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:00:12,004 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:00:12,005 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:00:12,005 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:00:12,006 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:00:12,006 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:00:12,007 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:00:12,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:00:12,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:00:12,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:00:12,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:00:12,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:00:12,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:00:12,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:00:12,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:00:12,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:00:12,014 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:00:12,014 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:00:12,015 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:00:12,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:00:12,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:00:12,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:00:12,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:00:12,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:00:12,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:12,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:00:12,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:00:12,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:00:12,018 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:00:12,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:00:12,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:00:12,019 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:00:12,020 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:00:12,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:00:12,020 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_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 232b8770d72be0c69bb3b6e33b82b59b612dcbb47eb932e66c113d1f5f5b981f [2023-11-25 00:00:12,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:00:12,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:00:12,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:00:12,324 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:00:12,325 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:00:12,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-2.i [2023-11-25 00:00:15,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:00:15,755 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:00:15,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-2.i [2023-11-25 00:00:15,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/data/8285ba2f2/e933d405e4624837a9eb44e17cb733c1/FLAG190d920fb [2023-11-25 00:00:15,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/data/8285ba2f2/e933d405e4624837a9eb44e17cb733c1 [2023-11-25 00:00:15,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:00:15,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:00:15,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:00:15,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:00:15,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:00:15,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:15" (1/1) ... [2023-11-25 00:00:15,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a20490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:15, skipping insertion in model container [2023-11-25 00:00:15,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:15" (1/1) ... [2023-11-25 00:00:15,887 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:00:16,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:00:16,267 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:00:16,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:00:16,392 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:00:16,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16 WrapperNode [2023-11-25 00:00:16,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:00:16,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:00:16,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:00:16,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:00:16,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16" (1/1) ... [2023-11-25 00:00:16,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16" (1/1) ... [2023-11-25 00:00:16,443 INFO L138 Inliner]: procedures = 126, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2023-11-25 00:00:16,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:00:16,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:00:16,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:00:16,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:00:16,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16" (1/1) ... [2023-11-25 00:00:16,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16" (1/1) ... [2023-11-25 00:00:16,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16" (1/1) ... [2023-11-25 00:00:16,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16" (1/1) ... [2023-11-25 00:00:16,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16" (1/1) ... [2023-11-25 00:00:16,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16" (1/1) ... [2023-11-25 00:00:16,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16" (1/1) ... [2023-11-25 00:00:16,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16" (1/1) ... [2023-11-25 00:00:16,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:00:16,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:00:16,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:00:16,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:00:16,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16" (1/1) ... [2023-11-25 00:00:16,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:16,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:16,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:00:16,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:00:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:00:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:00:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:00:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure create_data [2023-11-25 00:00:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure create_data [2023-11-25 00:00:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:00:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:00:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:00:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:00:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:00:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:00:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:00:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:00:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:00:16,704 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:00:16,707 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:00:17,198 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:00:17,311 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:00:17,311 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-25 00:00:17,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:17 BoogieIcfgContainer [2023-11-25 00:00:17,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:00:17,320 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:00:17,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:00:17,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:00:17,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:00:15" (1/3) ... [2023-11-25 00:00:17,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225c3453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:17, skipping insertion in model container [2023-11-25 00:00:17,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:16" (2/3) ... [2023-11-25 00:00:17,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225c3453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:17, skipping insertion in model container [2023-11-25 00:00:17,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:17" (3/3) ... [2023-11-25 00:00:17,329 INFO L112 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test01-2.i [2023-11-25 00:00:17,387 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:00:17,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-25 00:00:17,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:00:17,469 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;@53a5c6ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:00:17,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-25 00:00:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 25 states have (on average 1.64) internal successors, (41), 31 states have internal predecessors, (41), 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) [2023-11-25 00:00:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-25 00:00:17,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:17,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:00:17,482 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)] === [2023-11-25 00:00:17,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:17,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1418020291, now seen corresponding path program 1 times [2023-11-25 00:00:17,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:17,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073253984] [2023-11-25 00:00:17,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:17,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:17,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:17,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:17,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073253984] [2023-11-25 00:00:17,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073253984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:17,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:00:17,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:00:17,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639979466] [2023-11-25 00:00:17,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:17,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:00:17,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:17,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:00:17,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:00:17,965 INFO L87 Difference]: Start difference. First operand has 35 states, 25 states have (on average 1.64) internal successors, (41), 31 states have internal predecessors, (41), 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) [2023-11-25 00:00:18,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:18,097 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2023-11-25 00:00:18,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:00:18,099 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 [2023-11-25 00:00:18,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:18,105 INFO L225 Difference]: With dead ends: 72 [2023-11-25 00:00:18,106 INFO L226 Difference]: Without dead ends: 34 [2023-11-25 00:00:18,109 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 [2023-11-25 00:00:18,113 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 94 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 [2023-11-25 00:00:18,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 94 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:00:18,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-25 00:00:18,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-25 00:00:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.44) 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) [2023-11-25 00:00:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2023-11-25 00:00:18,159 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 8 [2023-11-25 00:00:18,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:18,160 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2023-11-25 00:00:18,160 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) [2023-11-25 00:00:18,160 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-11-25 00:00:18,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-25 00:00:18,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:18,163 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:00:18,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:00:18,163 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)] === [2023-11-25 00:00:18,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:18,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1055891398, now seen corresponding path program 1 times [2023-11-25 00:00:18,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:18,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698232495] [2023-11-25 00:00:18,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:18,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:18,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:18,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:18,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698232495] [2023-11-25 00:00:18,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698232495] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:00:18,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045458821] [2023-11-25 00:00:18,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:18,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:00:18,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:18,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:00:18,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:00:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:18,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:00:18,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:00:18,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:18,622 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:00:18,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045458821] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:18,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-25 00:00:18,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-11-25 00:00:18,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641803853] [2023-11-25 00:00:18,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:18,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:00:18,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:18,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:00:18,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-25 00:00:18,633 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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) [2023-11-25 00:00:18,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:18,708 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2023-11-25 00:00:18,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:00:18,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 [2023-11-25 00:00:18,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:18,712 INFO L225 Difference]: With dead ends: 36 [2023-11-25 00:00:18,713 INFO L226 Difference]: Without dead ends: 35 [2023-11-25 00:00:18,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:00:18,717 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 22 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:00:18,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 104 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:00:18,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-25 00:00:18,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2023-11-25 00:00:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.4) internal successors, (35), 29 states have internal predecessors, (35), 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) [2023-11-25 00:00:18,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2023-11-25 00:00:18,755 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 11 [2023-11-25 00:00:18,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:18,755 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2023-11-25 00:00:18,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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) [2023-11-25 00:00:18,756 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-25 00:00:18,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-25 00:00:18,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:18,757 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:00:18,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-25 00:00:18,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-25 00:00:18,964 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)] === [2023-11-25 00:00:18,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:18,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1627104976, now seen corresponding path program 1 times [2023-11-25 00:00:18,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:18,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366525249] [2023-11-25 00:00:18,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:18,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:19,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-25 00:00:19,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:19,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366525249] [2023-11-25 00:00:19,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366525249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:19,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:00:19,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:00:19,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529890792] [2023-11-25 00:00:19,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:19,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:00:19,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:19,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:00:19,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:00:19,098 INFO L87 Difference]: Start difference. First operand 33 states and 39 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) [2023-11-25 00:00:19,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:19,124 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2023-11-25 00:00:19,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:00:19,125 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 [2023-11-25 00:00:19,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:19,126 INFO L225 Difference]: With dead ends: 33 [2023-11-25 00:00:19,126 INFO L226 Difference]: Without dead ends: 32 [2023-11-25 00:00:19,128 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 [2023-11-25 00:00:19,129 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 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 [2023-11-25 00:00:19,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:00:19,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-25 00:00:19,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2023-11-25 00:00:19,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.391304347826087) internal successors, (32), 26 states have internal predecessors, (32), 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) [2023-11-25 00:00:19,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2023-11-25 00:00:19,136 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 12 [2023-11-25 00:00:19,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:19,136 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2023-11-25 00:00:19,136 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) [2023-11-25 00:00:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-25 00:00:19,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-25 00:00:19,137 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:19,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:00:19,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-25 00:00:19,138 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)] === [2023-11-25 00:00:19,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:19,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1100074966, now seen corresponding path program 1 times [2023-11-25 00:00:19,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:19,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001664710] [2023-11-25 00:00:19,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:19,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:19,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:19,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:19,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001664710] [2023-11-25 00:00:19,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001664710] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:00:19,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304153056] [2023-11-25 00:00:19,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:19,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:00:19,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:19,307 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:00:19,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-25 00:00:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:19,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:00:19,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:00:19,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:19,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:00:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:19,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304153056] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:00:19,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [969183424] [2023-11-25 00:00:19,541 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2023-11-25 00:00:19,541 INFO L166 IcfgInterpreter]: Building call graph [2023-11-25 00:00:19,546 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-25 00:00:19,551 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-25 00:00:19,552 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-25 00:00:19,856 INFO L197 IcfgInterpreter]: Interpreting procedure create_data with input of size 97 for LOIs [2023-11-25 00:00:21,210 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-25 00:00:24,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [969183424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:24,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-25 00:00:24,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5, 5, 5] total 20 [2023-11-25 00:00:24,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194151987] [2023-11-25 00:00:24,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:24,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-25 00:00:24,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:24,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-25 00:00:24,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=319, Unknown=2, NotChecked=0, Total=380 [2023-11-25 00:00:24,433 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 12 states, 10 states have (on average 1.2) internal successors, (12), 10 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) [2023-11-25 00:00:26,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-25 00:00:28,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-25 00:00:30,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-25 00:00:30,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:30,982 INFO L93 Difference]: Finished difference Result 96 states and 118 transitions. [2023-11-25 00:00:30,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-25 00:00:30,984 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 1.2) internal successors, (12), 10 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 [2023-11-25 00:00:30,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:30,986 INFO L225 Difference]: With dead ends: 96 [2023-11-25 00:00:30,986 INFO L226 Difference]: Without dead ends: 67 [2023-11-25 00:00:30,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=59, Invalid=319, Unknown=2, NotChecked=0, Total=380 [2023-11-25 00:00:30,988 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 27 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-25 00:00:30,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 98 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 189 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2023-11-25 00:00:30,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-25 00:00:31,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 54. [2023-11-25 00:00:31,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 49 states have internal predecessors, (62), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-25 00:00:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2023-11-25 00:00:31,002 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 13 [2023-11-25 00:00:31,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:31,002 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2023-11-25 00:00:31,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 1.2) internal successors, (12), 10 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) [2023-11-25 00:00:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-25 00:00:31,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-25 00:00:31,004 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:31,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:00:31,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-25 00:00:31,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-25 00:00:31,211 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)] === [2023-11-25 00:00:31,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:31,212 INFO L85 PathProgramCache]: Analyzing trace with hash 610036640, now seen corresponding path program 1 times [2023-11-25 00:00:31,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:31,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252515808] [2023-11-25 00:00:31,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:31,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:31,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:31,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252515808] [2023-11-25 00:00:31,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252515808] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:00:31,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832872480] [2023-11-25 00:00:31,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:31,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:00:31,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:31,393 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:00:31,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-25 00:00:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:31,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:00:31,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:00:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:31,564 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:00:31,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:31,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832872480] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:00:31,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [921024975] [2023-11-25 00:00:31,610 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2023-11-25 00:00:31,611 INFO L166 IcfgInterpreter]: Building call graph [2023-11-25 00:00:31,617 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-25 00:00:31,618 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-25 00:00:31,618 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-25 00:00:31,743 INFO L197 IcfgInterpreter]: Interpreting procedure create_data with input of size 97 for LOIs [2023-11-25 00:00:32,739 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-25 00:00:37,422 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '748#(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)))) (= create_data_~data~0.offset 0) (exists ((|v_#memory_$Pointer$.offset_93| (Array Int (Array Int Int)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_93| create_data_~nextData~0.base (store (select |v_#memory_$Pointer$.offset_93| create_data_~nextData~0.base) 4 0)))) (exists ((|v_#memory_int_96| (Array Int (Array Int Int)))) (= |#memory_int| (store |v_#memory_int_96| create_data_~nextData~0.base (store (select |v_#memory_int_96| create_data_~nextData~0.base) 4 (select (select |#memory_int| create_data_~nextData~0.base) 4))))) (<= 1 |#StackHeapBarrier|) (= create_data_~prevData.base 0) (= |create_data_#t~mem22| (select (select |#memory_int| create_data_~data~0.base) 0)) (= |create_data_#in~prevData.offset| 0) (<= 20 create_data_~counter~0) (= create_data_~nextData~0.offset 0) (= |create_data_#in~prevData.base| 0) (exists ((|v_#length_28| (Array Int Int))) (= |#length| (store |v_#length_28| create_data_~nextData~0.base 16))) (exists ((|v_#valid_49| (Array Int Int))) (and (= |#valid| (store |v_#valid_49| create_data_~nextData~0.base 1)) (= (select |v_#valid_49| create_data_~nextData~0.base) 0))) (<= (+ create_data_~nextData~0.base 1) |#StackHeapBarrier|) (<= create_data_~userInput~0 2147483647) (<= (+ 2147483449 |create_data_#t~mem22|) 0) (not (= create_data_~nextData~0.base 0)) (<= 0 (+ create_data_~userInput~0 2147483648)) (= create_data_~prevData.offset 0) (exists ((|v_#memory_$Pointer$.base_93| (Array Int (Array Int Int)))) (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_93| create_data_~nextData~0.base (store (select |v_#memory_$Pointer$.base_93| create_data_~nextData~0.base) 4 0)))))' at error location [2023-11-25 00:00:37,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-25 00:00:37,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-25 00:00:37,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-25 00:00:37,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440905169] [2023-11-25 00:00:37,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-25 00:00:37,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-25 00:00:37,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:37,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-25 00:00:37,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=429, Unknown=4, NotChecked=0, Total=506 [2023-11-25 00:00:37,425 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 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) [2023-11-25 00:00:37,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:37,554 INFO L93 Difference]: Finished difference Result 110 states and 143 transitions. [2023-11-25 00:00:37,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-25 00:00:37,555 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 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 15 [2023-11-25 00:00:37,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:37,556 INFO L225 Difference]: With dead ends: 110 [2023-11-25 00:00:37,557 INFO L226 Difference]: Without dead ends: 66 [2023-11-25 00:00:37,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=90, Invalid=506, Unknown=4, NotChecked=0, Total=600 [2023-11-25 00:00:37,561 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 8 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:00:37,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 214 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:00:37,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-25 00:00:37,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-25 00:00:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 61 states have internal predecessors, (74), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-25 00:00:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2023-11-25 00:00:37,575 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 15 [2023-11-25 00:00:37,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:37,575 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2023-11-25 00:00:37,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 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) [2023-11-25 00:00:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2023-11-25 00:00:37,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-25 00:00:37,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:37,577 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:00:37,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:00:37,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:00:37,784 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)] === [2023-11-25 00:00:37,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:37,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1614071744, now seen corresponding path program 2 times [2023-11-25 00:00:37,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:37,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943987140] [2023-11-25 00:00:37,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:37,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:38,017 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:38,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943987140] [2023-11-25 00:00:38,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943987140] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:00:38,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158343820] [2023-11-25 00:00:38,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-25 00:00:38,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:00:38,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:38,019 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:00:38,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-25 00:00:38,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-11-25 00:00:38,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-25 00:00:38,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-25 00:00:38,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:00:38,236 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-25 00:00:38,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2023-11-25 00:00:38,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-25 00:00:38,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:00:38,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-25 00:00:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-25 00:00:38,419 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:00:38,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158343820] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:38,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-25 00:00:38,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2023-11-25 00:00:38,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656261045] [2023-11-25 00:00:38,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:38,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:00:38,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:38,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:00:38,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-25 00:00:38,421 INFO L87 Difference]: Start difference. First operand 66 states and 80 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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) [2023-11-25 00:00:38,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:38,682 INFO L93 Difference]: Finished difference Result 90 states and 111 transitions. [2023-11-25 00:00:38,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:00:38,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-11-25 00:00:38,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:38,684 INFO L225 Difference]: With dead ends: 90 [2023-11-25 00:00:38,685 INFO L226 Difference]: Without dead ends: 89 [2023-11-25 00:00:38,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-25 00:00:38,705 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 27 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:00:38,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 75 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:00:38,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-25 00:00:38,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 74. [2023-11-25 00:00:38,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 69 states have internal predecessors, (85), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-25 00:00:38,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 91 transitions. [2023-11-25 00:00:38,734 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 91 transitions. Word has length 21 [2023-11-25 00:00:38,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:38,735 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 91 transitions. [2023-11-25 00:00:38,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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) [2023-11-25 00:00:38,736 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2023-11-25 00:00:38,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-25 00:00:38,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:38,739 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:00:38,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-25 00:00:38,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-25 00:00:38,940 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting create_dataErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-25 00:00:38,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:38,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1503383584, now seen corresponding path program 1 times [2023-11-25 00:00:38,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:38,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353905083] [2023-11-25 00:00:38,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:38,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:39,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:39,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353905083] [2023-11-25 00:00:39,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353905083] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:00:39,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002662935] [2023-11-25 00:00:39,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:39,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:00:39,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:39,142 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:00:39,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-25 00:00:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:39,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:00:39,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:00:39,358 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:39,359 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:00:39,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:39,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002662935] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:00:39,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [357741687] [2023-11-25 00:00:39,476 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2023-11-25 00:00:39,476 INFO L166 IcfgInterpreter]: Building call graph [2023-11-25 00:00:39,476 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-25 00:00:39,477 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-25 00:00:39,477 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-25 00:00:39,560 INFO L197 IcfgInterpreter]: Interpreting procedure create_data with input of size 97 for LOIs [2023-11-25 00:00:40,498 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-25 00:00:43,941 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1408#(and (= create_data_~data~0.offset 0) (<= 1 |#StackHeapBarrier|) (exists ((|v_#memory_$Pointer$.base_107| (Array Int (Array Int Int)))) (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_107| create_data_~nextData~0.base (store (select |v_#memory_$Pointer$.base_107| create_data_~nextData~0.base) 4 0)))) (= create_data_~prevData.base 0) (= |create_data_#t~mem22| (select (select |#memory_int| create_data_~data~0.base) 0)) (= |create_data_#in~prevData.offset| 0) (exists ((|v_#memory_$Pointer$.offset_107| (Array Int (Array Int Int)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_107| create_data_~nextData~0.base (store (select |v_#memory_$Pointer$.offset_107| create_data_~nextData~0.base) 4 0)))) (exists ((|v_#memory_int_112| (Array Int (Array Int Int)))) (= |#memory_int| (store |v_#memory_int_112| create_data_~nextData~0.base (store (select |v_#memory_int_112| create_data_~nextData~0.base) 4 (select (select |#memory_int| create_data_~nextData~0.base) 4))))) (<= 20 create_data_~counter~0) (= create_data_~nextData~0.offset 0) (= |create_data_#in~prevData.base| 0) (<= (+ create_data_~nextData~0.base 1) |#StackHeapBarrier|) (<= create_data_~userInput~0 2147483647) (<= 2147483848 |create_data_#t~mem22|) (exists ((|v_#valid_57| (Array Int Int))) (and (= (store |v_#valid_57| create_data_~nextData~0.base 1) |#valid|) (= (select |v_#valid_57| create_data_~nextData~0.base) 0))) (exists ((|v_create_data_#t~nondet20_9| Int)) (and (<= 0 (+ |v_create_data_#t~nondet20_9| 2147483648)) (<= |v_create_data_#t~nondet20_9| 2147483647) (not (= |v_create_data_#t~nondet20_9| 0)))) (exists ((|v_#length_34| (Array Int Int))) (= (store |v_#length_34| create_data_~nextData~0.base 16) |#length|)) (not (= create_data_~nextData~0.base 0)) (<= 0 (+ create_data_~userInput~0 2147483648)) (= create_data_~prevData.offset 0))' at error location [2023-11-25 00:00:43,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-25 00:00:43,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-25 00:00:43,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-11-25 00:00:43,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347676975] [2023-11-25 00:00:43,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-25 00:00:43,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-25 00:00:43,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:43,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-25 00:00:43,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=849, Unknown=4, NotChecked=0, Total=992 [2023-11-25 00:00:43,944 INFO L87 Difference]: Start difference. First operand 74 states and 91 transitions. Second operand has 18 states, 18 states have (on average 2.0) internal successors, (36), 18 states have internal predecessors, (36), 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) [2023-11-25 00:00:44,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:44,211 INFO L93 Difference]: Finished difference Result 156 states and 199 transitions. [2023-11-25 00:00:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-25 00:00:44,212 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.0) internal successors, (36), 18 states have internal predecessors, (36), 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 [2023-11-25 00:00:44,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:44,213 INFO L225 Difference]: With dead ends: 156 [2023-11-25 00:00:44,213 INFO L226 Difference]: Without dead ends: 98 [2023-11-25 00:00:44,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=220, Invalid=1182, Unknown=4, NotChecked=0, Total=1406 [2023-11-25 00:00:44,220 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 20 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:00:44,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 239 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:00:44,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-25 00:00:44,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-11-25 00:00:44,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 89 states have (on average 1.2247191011235956) internal successors, (109), 93 states have internal predecessors, (109), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-25 00:00:44,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 115 transitions. [2023-11-25 00:00:44,239 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 115 transitions. Word has length 22 [2023-11-25 00:00:44,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:44,239 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 115 transitions. [2023-11-25 00:00:44,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.0) internal successors, (36), 18 states have internal predecessors, (36), 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) [2023-11-25 00:00:44,239 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2023-11-25 00:00:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-25 00:00:44,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:44,240 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:00:44,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-25 00:00:44,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-25 00:00:44,449 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting create_dataErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-25 00:00:44,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:44,449 INFO L85 PathProgramCache]: Analyzing trace with hash 294012640, now seen corresponding path program 2 times [2023-11-25 00:00:44,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:44,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001871544] [2023-11-25 00:00:44,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:44,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:44,875 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:00:44,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:44,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001871544] [2023-11-25 00:00:44,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001871544] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:00:44,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005424409] [2023-11-25 00:00:44,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-25 00:00:44,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:00:44,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:44,881 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:00:44,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-25 00:00:45,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-11-25 00:00:45,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-25 00:00:45,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-25 00:00:45,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:00:45,055 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-25 00:00:45,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2023-11-25 00:00:45,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-25 00:00:45,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:00:45,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-25 00:00:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-25 00:00:45,287 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:00:45,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005424409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:45,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-25 00:00:45,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [17] total 20 [2023-11-25 00:00:45,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704892763] [2023-11-25 00:00:45,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:45,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:00:45,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:45,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:00:45,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-11-25 00:00:45,290 INFO L87 Difference]: Start difference. First operand 98 states and 115 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) [2023-11-25 00:00:45,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:45,610 INFO L93 Difference]: Finished difference Result 113 states and 133 transitions. [2023-11-25 00:00:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:00:45,611 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 34 [2023-11-25 00:00:45,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:45,613 INFO L225 Difference]: With dead ends: 113 [2023-11-25 00:00:45,613 INFO L226 Difference]: Without dead ends: 112 [2023-11-25 00:00:45,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2023-11-25 00:00:45,617 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 24 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-25 00:00:45,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 76 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-25 00:00:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-25 00:00:45,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 100. [2023-11-25 00:00:45,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 95 states have internal predecessors, (111), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-25 00:00:45,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 117 transitions. [2023-11-25 00:00:45,641 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 117 transitions. Word has length 34 [2023-11-25 00:00:45,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:45,642 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 117 transitions. [2023-11-25 00:00:45,642 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) [2023-11-25 00:00:45,642 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2023-11-25 00:00:45,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-25 00:00:45,643 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:45,644 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:00:45,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-25 00:00:45,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-25 00:00:45,850 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-25 00:00:45,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:45,850 INFO L85 PathProgramCache]: Analyzing trace with hash 576050073, now seen corresponding path program 1 times [2023-11-25 00:00:45,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:45,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981268328] [2023-11-25 00:00:45,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:45,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:46,277 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-25 00:00:46,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:46,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981268328] [2023-11-25 00:00:46,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981268328] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:00:46,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566712643] [2023-11-25 00:00:46,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:46,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:00:46,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:46,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:00:46,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-25 00:00:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:46,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-25 00:00:46,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:00:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-25 00:00:46,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:00:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-25 00:00:46,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566712643] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:00:46,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [921087108] [2023-11-25 00:00:46,898 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-11-25 00:00:46,898 INFO L166 IcfgInterpreter]: Building call graph [2023-11-25 00:00:46,898 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-25 00:00:46,898 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-25 00:00:46,898 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-25 00:00:46,977 INFO L197 IcfgInterpreter]: Interpreting procedure create_data with input of size 97 for LOIs [2023-11-25 00:00:48,330 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-25 00:00:53,509 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2382#(and (= create_data_~data~0.offset 0) (<= 1 |#StackHeapBarrier|) (<= 0 (+ 199 create_data_~userInput~0)) (= create_data_~prevData.base 0) (= |create_data_#in~prevData.offset| 0) (<= 20 create_data_~counter~0) (= |create_data_#in~prevData.base| 0) (<= 0 (+ |create_data_#t~nondet17| 2147483648)) (<= (+ 2147483649 |create_data_#t~mem18| |create_data_#t~nondet17|) 0) (<= |create_data_#t~nondet17| 2147483647) (<= create_data_~userInput~0 199) (= create_data_~prevData.offset 0))' at error location [2023-11-25 00:00:53,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-25 00:00:53,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-25 00:00:53,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2023-11-25 00:00:53,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553470915] [2023-11-25 00:00:53,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-25 00:00:53,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-25 00:00:53,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:53,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-25 00:00:53,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=1726, Unknown=2, NotChecked=0, Total=2070 [2023-11-25 00:00:53,512 INFO L87 Difference]: Start difference. First operand 100 states and 117 transitions. Second operand has 34 states, 34 states have (on average 1.7352941176470589) internal successors, (59), 34 states have internal predecessors, (59), 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) [2023-11-25 00:00:54,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:54,102 INFO L93 Difference]: Finished difference Result 220 states and 271 transitions. [2023-11-25 00:00:54,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-25 00:00:54,103 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.7352941176470589) internal successors, (59), 34 states have internal predecessors, (59), 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 35 [2023-11-25 00:00:54,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:54,105 INFO L225 Difference]: With dead ends: 220 [2023-11-25 00:00:54,105 INFO L226 Difference]: Without dead ends: 148 [2023-11-25 00:00:54,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 69 SyntacticMatches, 7 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1456 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=695, Invalid=2843, Unknown=2, NotChecked=0, Total=3540 [2023-11-25 00:00:54,109 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 64 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:00:54,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 240 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:00:54,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-25 00:00:54,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2023-11-25 00:00:54,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 139 states have (on average 1.143884892086331) internal successors, (159), 143 states have internal predecessors, (159), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-25 00:00:54,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 165 transitions. [2023-11-25 00:00:54,130 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 165 transitions. Word has length 35 [2023-11-25 00:00:54,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:54,131 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 165 transitions. [2023-11-25 00:00:54,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.7352941176470589) internal successors, (59), 34 states have internal predecessors, (59), 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) [2023-11-25 00:00:54,131 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2023-11-25 00:00:54,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-25 00:00:54,133 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:54,134 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:00:54,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-25 00:00:54,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-25 00:00:54,345 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-25 00:00:54,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:54,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1788278297, now seen corresponding path program 2 times [2023-11-25 00:00:54,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:54,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472930721] [2023-11-25 00:00:54,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:54,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-25 00:00:55,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:55,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472930721] [2023-11-25 00:00:55,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472930721] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:00:55,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502719385] [2023-11-25 00:00:55,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-25 00:00:55,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:00:55,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:55,604 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:00:55,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f0bb46-e2b8-4f7a-8803-01b891b72b9d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process