./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E --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 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:33:50,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:33:50,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 04:33:50,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:33:50,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:33:50,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:33:50,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:33:50,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:33:50,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:33:50,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:33:50,847 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:33:50,847 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:33:50,848 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:33:50,848 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:33:50,848 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:33:50,849 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:33:50,849 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:33:50,849 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:33:50,849 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:33:50,849 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:33:50,849 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:33:50,849 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:33:50,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:33:50,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:33:50,851 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:33:50,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:33:50,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:33:50,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:33:50,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:33:50,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:33:50,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:33:50,852 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:33:50,852 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:33:50,852 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:33:50,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:33:50,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:33:50,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:33:50,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:33:50,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:33:50,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:33:50,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:33:50,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:33:50,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:33:50,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:33:50,853 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:33:50,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:33:50,853 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:33:50,853 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:33:50,853 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:33:50,853 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E 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 -> 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc [2024-11-14 04:33:51,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:33:51,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:33:51,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:33:51,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:33:51,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:33:51,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i Unable to find full path for "g++" [2024-11-14 04:33:53,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:33:53,842 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:33:53,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2024-11-14 04:33:53,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/data/4f393ecb4/f0923e559ecf44ecadf16c5ded03486e/FLAG4726a1a25 [2024-11-14 04:33:53,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/data/4f393ecb4/f0923e559ecf44ecadf16c5ded03486e [2024-11-14 04:33:53,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:33:53,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:33:53,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:33:53,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:33:53,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:33:53,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:33:53" (1/1) ... [2024-11-14 04:33:53,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa1c084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:53, skipping insertion in model container [2024-11-14 04:33:53,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:33:53" (1/1) ... [2024-11-14 04:33:54,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:33:55,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:33:55,044 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:33:55,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:33:55,304 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:33:55,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55 WrapperNode [2024-11-14 04:33:55,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:33:55,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:33:55,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:33:55,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:33:55,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55" (1/1) ... [2024-11-14 04:33:55,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55" (1/1) ... [2024-11-14 04:33:55,485 INFO L138 Inliner]: procedures = 177, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3421 [2024-11-14 04:33:55,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:33:55,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:33:55,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:33:55,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:33:55,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55" (1/1) ... [2024-11-14 04:33:55,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55" (1/1) ... [2024-11-14 04:33:55,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55" (1/1) ... [2024-11-14 04:33:55,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55" (1/1) ... [2024-11-14 04:33:55,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55" (1/1) ... [2024-11-14 04:33:55,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55" (1/1) ... [2024-11-14 04:33:55,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55" (1/1) ... [2024-11-14 04:33:55,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55" (1/1) ... [2024-11-14 04:33:55,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:33:55,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:33:55,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:33:55,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:33:55,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55" (1/1) ... [2024-11-14 04:33:55,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:33:55,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:33:55,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:33:55,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:33:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-14 04:33:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-14 04:33:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:33:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 04:33:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 04:33:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:33:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 04:33:55,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 04:33:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:33:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:33:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:33:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:33:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:33:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:33:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:33:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:33:55,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:33:55,980 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:33:55,983 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:34:00,113 INFO L? ?]: Removed 828 outVars from TransFormulas that were not future-live. [2024-11-14 04:34:00,114 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:34:02,247 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:34:02,247 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-14 04:34:02,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:34:02 BoogieIcfgContainer [2024-11-14 04:34:02,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:34:02,250 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:34:02,250 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:34:02,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:34:02,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:33:53" (1/3) ... [2024-11-14 04:34:02,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a53b2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:34:02, skipping insertion in model container [2024-11-14 04:34:02,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:33:55" (2/3) ... [2024-11-14 04:34:02,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a53b2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:34:02, skipping insertion in model container [2024-11-14 04:34:02,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:34:02" (3/3) ... [2024-11-14 04:34:02,260 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test9-2.i [2024-11-14 04:34:02,277 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:34:02,278 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test9-2.i that has 4 procedures, 1137 locations, 1 initial locations, 36 loop locations, and 8 error locations. [2024-11-14 04:34:02,442 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:34:02,460 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3de88c09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:34:02,460 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-14 04:34:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 1137 states, 620 states have (on average 1.95) internal successors, (1209), 1130 states have internal predecessors, (1209), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-14 04:34:02,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 04:34:02,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:34:02,478 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 04:34:02,478 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-14 04:34:02,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:34:02,484 INFO L85 PathProgramCache]: Analyzing trace with hash 166165056, now seen corresponding path program 1 times [2024-11-14 04:34:02,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:34:02,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533541192] [2024-11-14 04:34:02,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:34:02,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:34:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:34:02,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117843670] [2024-11-14 04:34:02,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:34:02,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:34:02,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:34:02,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:34:02,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:34:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:34:02,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:34:02,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:34:02,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 04:34:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:34:03,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-14 04:34:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:34:03,070 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:34:03,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:34:03,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533541192] [2024-11-14 04:34:03,071 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 04:34:03,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117843670] [2024-11-14 04:34:03,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117843670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:34:03,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:34:03,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:34:03,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102482702] [2024-11-14 04:34:03,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:34:03,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:34:03,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:34:03,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:34:03,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:34:03,110 INFO L87 Difference]: Start difference. First operand has 1137 states, 620 states have (on average 1.95) internal successors, (1209), 1130 states have internal predecessors, (1209), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:34:05,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:07,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:09,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:12,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:14,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:16,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:18,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:20,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:22,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:24,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:26,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:28,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:30,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:33,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:36,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:34:36,960 INFO L93 Difference]: Finished difference Result 3344 states and 7560 transitions. [2024-11-14 04:34:36,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:34:36,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-14 04:34:36,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:34:37,027 INFO L225 Difference]: With dead ends: 3344 [2024-11-14 04:34:37,027 INFO L226 Difference]: Without dead ends: 2180 [2024-11-14 04:34:37,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:34:37,062 INFO L432 NwaCegarLoop]: 2366 mSDtfsCounter, 1077 mSDsluCounter, 3963 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 4 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 6329 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:34:37,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 6329 Invalid, 651 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 633 Invalid, 14 Unknown, 0 Unchecked, 33.3s Time] [2024-11-14 04:34:37,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2180 states. [2024-11-14 04:34:37,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2180 to 1120. [2024-11-14 04:34:37,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 607 states have (on average 1.8616144975288302) internal successors, (1130), 1114 states have internal predecessors, (1130), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-14 04:34:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 2136 transitions. [2024-11-14 04:34:37,884 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 2136 transitions. Word has length 4 [2024-11-14 04:34:37,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:34:37,884 INFO L471 AbstractCegarLoop]: Abstraction has 1120 states and 2136 transitions. [2024-11-14 04:34:37,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:34:37,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 2136 transitions. [2024-11-14 04:34:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-14 04:34:37,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:34:37,887 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:34:37,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:34:38,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:34:38,089 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-14 04:34:38,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:34:38,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1435737782, now seen corresponding path program 1 times [2024-11-14 04:34:38,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:34:38,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468586840] [2024-11-14 04:34:38,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:34:38,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:34:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:34:38,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:34:38,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:34:38,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468586840] [2024-11-14 04:34:38,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468586840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:34:38,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:34:38,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:34:38,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349251687] [2024-11-14 04:34:38,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:34:38,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:34:38,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:34:38,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:34:38,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:34:38,891 INFO L87 Difference]: Start difference. First operand 1120 states and 2136 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:34:40,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:42,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:44,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:46,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:48,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:53,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:55,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:57,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:59,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:01,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:02,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:35:02,883 INFO L93 Difference]: Finished difference Result 3217 states and 6246 transitions. [2024-11-14 04:35:02,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:35:02,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-14 04:35:02,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:35:02,913 INFO L225 Difference]: With dead ends: 3217 [2024-11-14 04:35:02,913 INFO L226 Difference]: Without dead ends: 2166 [2024-11-14 04:35:02,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:35:02,921 INFO L432 NwaCegarLoop]: 2358 mSDtfsCounter, 1054 mSDsluCounter, 3943 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 6301 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:35:02,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 6301 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 597 Invalid, 9 Unknown, 0 Unchecked, 23.7s Time] [2024-11-14 04:35:02,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2024-11-14 04:35:03,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 1120. [2024-11-14 04:35:03,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 607 states have (on average 1.8599670510708401) internal successors, (1129), 1114 states have internal predecessors, (1129), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-14 04:35:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 2135 transitions. [2024-11-14 04:35:03,699 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 2135 transitions. Word has length 22 [2024-11-14 04:35:03,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:35:03,699 INFO L471 AbstractCegarLoop]: Abstraction has 1120 states and 2135 transitions. [2024-11-14 04:35:03,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:35:03,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 2135 transitions. [2024-11-14 04:35:03,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 04:35:03,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:35:03,702 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:35:03,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:35:03,703 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-14 04:35:03,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:35:03,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1473522486, now seen corresponding path program 1 times [2024-11-14 04:35:03,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:35:03,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303721690] [2024-11-14 04:35:03,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:35:03,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:35:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:35:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:35:04,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:35:04,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303721690] [2024-11-14 04:35:04,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303721690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:35:04,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:35:04,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:35:04,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648443922] [2024-11-14 04:35:04,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:35:04,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:35:04,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:35:04,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:35:04,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:35:04,093 INFO L87 Difference]: Start difference. First operand 1120 states and 2135 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:35:06,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:08,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:10,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:12,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:14,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:16,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:18,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:20,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:22,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:24,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:35:24,132 INFO L93 Difference]: Finished difference Result 3279 states and 6313 transitions. [2024-11-14 04:35:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:35:24,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-11-14 04:35:24,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:35:24,170 INFO L225 Difference]: With dead ends: 3279 [2024-11-14 04:35:24,171 INFO L226 Difference]: Without dead ends: 2164 [2024-11-14 04:35:24,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:35:24,181 INFO L432 NwaCegarLoop]: 2394 mSDtfsCounter, 1034 mSDsluCounter, 2101 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 4495 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:35:24,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1534 Valid, 4495 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 9 Unknown, 0 Unchecked, 19.9s Time] [2024-11-14 04:35:24,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2024-11-14 04:35:24,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 2160. [2024-11-14 04:35:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2160 states, 1147 states have (on average 1.8962510897994769) internal successors, (2175), 2154 states have internal predecessors, (2175), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-11-14 04:35:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 4181 transitions. [2024-11-14 04:35:24,921 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 4181 transitions. Word has length 32 [2024-11-14 04:35:24,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:35:24,922 INFO L471 AbstractCegarLoop]: Abstraction has 2160 states and 4181 transitions. [2024-11-14 04:35:24,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:35:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 4181 transitions. [2024-11-14 04:35:24,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-14 04:35:24,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:35:24,924 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:35:24,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:35:24,924 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-14 04:35:24,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:35:24,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1975741186, now seen corresponding path program 1 times [2024-11-14 04:35:24,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:35:24,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156580673] [2024-11-14 04:35:24,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:35:24,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:35:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:35:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:35:26,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:35:26,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156580673] [2024-11-14 04:35:26,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156580673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:35:26,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025100276] [2024-11-14 04:35:26,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:35:26,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:35:26,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:35:26,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:35:26,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:35:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:35:32,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:35:32,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:35:32,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:35:32,052 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:35:32,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025100276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:35:32,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:35:32,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-14 04:35:32,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762531341] [2024-11-14 04:35:32,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:35:32,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:35:32,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:35:32,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:35:32,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:35:32,056 INFO L87 Difference]: Start difference. First operand 2160 states and 4181 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:35:34,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:36,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:38,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:40,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:42,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:43,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:45,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:47,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:49,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:51,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:52,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:35:52,078 INFO L93 Difference]: Finished difference Result 4303 states and 8347 transitions. [2024-11-14 04:35:52,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:35:52,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2024-11-14 04:35:52,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:35:52,107 INFO L225 Difference]: With dead ends: 4303 [2024-11-14 04:35:52,107 INFO L226 Difference]: Without dead ends: 2162 [2024-11-14 04:35:52,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:35:52,118 INFO L432 NwaCegarLoop]: 2109 mSDtfsCounter, 0 mSDsluCounter, 4214 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6323 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:35:52,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6323 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 8 Unknown, 0 Unchecked, 19.9s Time] [2024-11-14 04:35:52,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2024-11-14 04:35:52,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 2162. [2024-11-14 04:35:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2162 states, 1148 states have (on average 1.896341463414634) internal successors, (2177), 2156 states have internal predecessors, (2177), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 3 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2024-11-14 04:35:52,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 2162 states and 4184 transitions. [2024-11-14 04:35:52,780 INFO L78 Accepts]: Start accepts. Automaton has 2162 states and 4184 transitions. Word has length 45 [2024-11-14 04:35:52,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:35:52,781 INFO L471 AbstractCegarLoop]: Abstraction has 2162 states and 4184 transitions. [2024-11-14 04:35:52,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:35:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 4184 transitions. [2024-11-14 04:35:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-14 04:35:52,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:35:52,783 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:35:52,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-14 04:35:52,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:35:52,983 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-14 04:35:52,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:35:52,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1727308308, now seen corresponding path program 1 times [2024-11-14 04:35:52,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:35:52,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391014499] [2024-11-14 04:35:52,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:35:52,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:35:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:35:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:35:54,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:35:54,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391014499] [2024-11-14 04:35:54,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391014499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:35:54,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656613916] [2024-11-14 04:35:54,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:35:54,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:35:54,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:35:54,110 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:35:54,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4597fd9b-b649-4b5b-986f-edeac34f500a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 04:36:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:36:00,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:36:00,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:36:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:36:00,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:36:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:36:00,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656613916] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:36:00,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1088574915] [2024-11-14 04:36:00,264 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2024-11-14 04:36:00,266 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:36:00,269 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:36:00,276 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:36:00,276 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:36:45,421 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 399 for LOIs [2024-11-14 04:36:51,442 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:46:23,104 WARN L286 SmtUtils]: Spent 8.67m on a formula simplification. DAG size of input: 399 DAG size of output: 399 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:46:32,270 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (and (= c_~count_int_int~0 0) (<= 2 |c_ULTIMATE.start_main_~#i~0#1.base|) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (= (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= |c_ULTIMATE.start_main_~#i~0#1.offset| 0) (= (select (select |c_#memory_$Pointer$.base| .cse0) .cse1) |c_ULTIMATE.start_main_#t~mem64#1.base|) (exists ((|v_#valid_67| (Array Int Int)) (|v_#memory_int_459| (Array Int (Array Int Int))) (|v_#memory_int_149| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~mem54#1.base_16| Int) (|v_#length_28| (Array Int Int)) (|v_#memory_$Pointer$.base_136| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_135| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_365| (Array Int (Array Int Int))) (|v_#memory_int_150| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_134| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_365| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_134| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc61#1.base_6| Int) (|v_#memory_$Pointer$.offset_135| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_136| (Array Int (Array Int Int)))) (let ((.cse17 (select (select |v_#memory_$Pointer$.base_365| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (+ 16 (select (select |v_#memory_$Pointer$.offset_365| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse12 (select (select |v_#memory_$Pointer$.base_134| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (select (select |v_#memory_$Pointer$.offset_136| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse35 (store |v_#memory_$Pointer$.offset_136| .cse12 (store (select |v_#memory_$Pointer$.offset_136| .cse12) .cse13 0))) (.cse16 (store |v_#memory_$Pointer$.base_134| .cse12 (store (select |v_#memory_$Pointer$.base_134| .cse12) .cse13 |v_ULTIMATE.start_main_#t~malloc61#1.base_6|))) (.cse2 (store |v_#memory_$Pointer$.offset_365| .cse17 (store (select |v_#memory_$Pointer$.offset_365| .cse17) .cse18 8))) (.cse19 (store |v_#memory_$Pointer$.base_365| .cse17 (store (select |v_#memory_$Pointer$.base_365| .cse17) .cse18 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse7 (select (select |v_#memory_$Pointer$.base_135| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select |v_#memory_$Pointer$.offset_134| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse5 (select (select |v_#memory_$Pointer$.base_136| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse6 (+ (select (select |v_#memory_$Pointer$.offset_135| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse3 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse9 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ 40 (select (select .cse35 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |c_#valid| (store |v_#valid_67| |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 1)) (= (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 (select (select |v_#memory_$Pointer$.offset_134| .cse3) .cse4))) |v_#memory_$Pointer$.offset_134|) (= (store |v_#memory_$Pointer$.base_136| .cse5 (store (select |v_#memory_$Pointer$.base_136| .cse5) .cse6 (select (select |v_#memory_$Pointer$.base_134| .cse5) .cse6))) |v_#memory_$Pointer$.base_134|) (= |v_#memory_$Pointer$.base_136| (store |v_#memory_$Pointer$.base_135| .cse7 (store (select |v_#memory_$Pointer$.base_135| .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_136| .cse7) .cse8)))) (= (select |v_#valid_67| |v_ULTIMATE.start_main_#t~malloc61#1.base_6|) 0) (= (store |v_#length_28| |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 384) |c_#length|) (= (store |v_#memory_$Pointer$.offset_134| .cse7 (store (select |v_#memory_$Pointer$.offset_134| .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_135| .cse7) .cse8))) |v_#memory_$Pointer$.offset_135|) (= (store |v_#memory_int_149| .cse9 (store (select |v_#memory_int_149| .cse9) .cse10 2685476833)) |c_#memory_int|) (= (let ((.cse11 (let ((.cse14 (let ((.cse15 (store |v_#memory_int_150| .cse3 (store (select |v_#memory_int_150| .cse3) .cse4 32)))) (store .cse15 .cse7 (store (select .cse15 .cse7) .cse8 5))))) (store .cse14 .cse5 (store (select .cse14 .cse5) .cse6 8))))) (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 (select (select |v_#memory_int_149| .cse12) .cse13)))) |v_#memory_int_149|) (<= (+ |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 1) |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 0)) (= (store .cse16 .cse9 (store (select .cse16 .cse9) .cse10 (select (select |c_#memory_$Pointer$.base| .cse9) .cse10))) |c_#memory_$Pointer$.base|) (= |v_#memory_$Pointer$.offset_136| (store |v_#memory_$Pointer$.offset_135| .cse5 (store (select |v_#memory_$Pointer$.offset_135| .cse5) .cse6 (select (select |v_#memory_$Pointer$.offset_136| .cse5) .cse6)))) (= (store |v_#memory_int_459| .cse17 (store (select |v_#memory_int_459| .cse17) .cse18 (select (select |v_#memory_int_150| .cse17) .cse18))) |v_#memory_int_150|) (= (store .cse19 .cse3 (store (select .cse19 .cse3) .cse4 (select (select |v_#memory_$Pointer$.base_135| .cse3) .cse4))) |v_#memory_$Pointer$.base_135|) (let ((.cse20 (exists ((|v_#memory_$Pointer$.offset_359| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_43| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_360| (Array Int (Array Int Int)))) (let ((.cse34 (select |v_#memory_$Pointer$.offset_43| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_$Pointer$.offset_43| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse34 28 0) 32 (select (select |v_#memory_$Pointer$.offset_360| |c_ULTIMATE.start_main_~user~0#1.base|) 32))) |v_#memory_$Pointer$.offset_360|) (= |v_#memory_$Pointer$.offset_43| (store |v_#memory_$Pointer$.offset_359| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.offset_359| |c_ULTIMATE.start_main_~user~0#1.base|) 36 (select .cse34 36)))))))) (.cse24 (exists ((|v_#Ultimate.C_memset_#t~loopctr274_26| Int)) (and (<= 44 (mod |v_#Ultimate.C_memset_#t~loopctr274_26| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr274_26|))))) (or (and .cse20 (exists ((|v_#length_27| (Array Int Int)) (|v_#memory_$Pointer$.base_360| (Array Int (Array Int Int))) (|v_#valid_66| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_6| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_43| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_359| (Array Int (Array Int Int)))) (let ((.cse21 (select |v_#memory_$Pointer$.base_43| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse22 (select |v_#memory_$Pointer$.base_360| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse23 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_6| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (and (= (store |v_#memory_$Pointer$.base_43| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse21 28 |c_ULTIMATE.start_main_~user~0#1.base|) 32 (select .cse22 32))) |v_#memory_$Pointer$.base_360|) (= (select |v_#valid_66| .cse23) 0) (= |v_#memory_$Pointer$.base_43| (store |v_#memory_$Pointer$.base_359| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_359| |c_ULTIMATE.start_main_~user~0#1.base|) 36 (select .cse21 36)))) (<= (+ .cse23 1) |c_#StackHeapBarrier|) (= |v_ULTIMATE.start_main_#t~mem54#1.base_16| .cse23) (not (= .cse23 0)) (= (store |v_#length_27| .cse23 44) |v_#length_28|) (= (store |v_#valid_66| .cse23 1) |v_#valid_67|) (= (store |v_#memory_$Pointer$.base_360| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (store .cse22 16 0) 12 0) 8 .cse23)) |v_old(#memory_$Pointer$.base)_AFTER_CALL_6|)))) .cse24 (exists ((|v_#memory_int_455| (Array Int (Array Int Int))) (|v_#memory_int_148| (Array Int (Array Int Int))) (|v_#memory_int_47| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_6| (Array Int (Array Int Int))) (|v_#memory_int_453| (Array Int (Array Int Int)))) (let ((.cse25 (select |v_#memory_int_47| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse26 (select |v_#memory_int_148| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse27 (select |v_#memory_int_455| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_int_47| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse25 32 4) 16 (select .cse26 16))) |v_#memory_int_148|) (= |v_#memory_int_47| (store |v_#memory_int_453| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select |v_#memory_int_453| |c_ULTIMATE.start_main_~user~0#1.base|) 36 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 28 (select .cse25 28)))) (= (store |v_#memory_int_148| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse26 12 (select .cse27 12))) |v_#memory_int_455|) (= |v_old(#memory_int)_AFTER_CALL_6| (store |v_#memory_int_455| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse27 8 (select (select |v_old(#memory_int)_AFTER_CALL_6| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))))))) (and .cse20 (exists ((|v_#memory_int_148| (Array Int (Array Int Int))) (|v_#memory_int_455| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_5| (Array Int (Array Int Int))) (|v_#memory_int_47| (Array Int (Array Int Int))) (|v_#memory_int_453| (Array Int (Array Int Int)))) (let ((.cse28 (select |v_#memory_int_47| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse29 (select |v_#memory_int_148| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse30 (select |v_#memory_int_455| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_int_47| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse28 32 4) 16 (select .cse29 16))) |v_#memory_int_148|) (= |v_#memory_int_47| (store |v_#memory_int_453| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select |v_#memory_int_453| |c_ULTIMATE.start_main_~user~0#1.base|) 36 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 28 (select .cse28 28)))) (= (store |v_#memory_int_148| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse29 12 (select .cse30 12))) |v_#memory_int_455|) (= |v_old(#memory_int)_AFTER_CALL_5| (store |v_#memory_int_455| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse30 8 (select (select |v_old(#memory_int)_AFTER_CALL_5| |c_ULTIMATE.start_main_~user~0#1.base|) 8))))))) .cse24 (exists ((|v_#length_27| (Array Int Int)) (|v_#memory_$Pointer$.base_360| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_5| (Array Int (Array Int Int))) (|v_#valid_66| (Array Int Int)) (|v_#memory_$Pointer$.base_43| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_359| (Array Int (Array Int Int)))) (let ((.cse31 (select |v_#memory_$Pointer$.base_43| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse32 (select |v_#memory_$Pointer$.base_360| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse33 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_5| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (and (= (store |v_#memory_$Pointer$.base_43| |c_ULTIMATE.start_main_~user~0#1.base| (store (store .cse31 28 |c_ULTIMATE.start_main_~user~0#1.base|) 32 (select .cse32 32))) |v_#memory_$Pointer$.base_360|) (<= (+ .cse33 1) |c_#StackHeapBarrier|) (= .cse33 |v_ULTIMATE.start_main_#t~mem54#1.base_16|) (not (= .cse33 0)) (= |v_#memory_$Pointer$.base_43| (store |v_#memory_$Pointer$.base_359| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_$Pointer$.base_359| |c_ULTIMATE.start_main_~user~0#1.base|) 36 (select .cse31 36)))) (= (store |v_#valid_66| .cse33 1) |v_#valid_67|) (= (select |v_#valid_66| .cse33) 0) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_5| (store |v_#memory_$Pointer$.base_360| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (store .cse32 16 0) 12 0) 8 .cse33))) (= |v_#length_28| (store |v_#length_27| .cse33 44)))))))) (= |c_#memory_$Pointer$.offset| (store .cse35 .cse9 (store (select .cse35 .cse9) .cse10 (select (select |c_#memory_$Pointer$.offset| .cse9) .cse10))))))))))) is different from false