./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:35:14,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:35:14,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:35:14,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:35:14,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:35:14,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:35:14,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:35:14,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:35:14,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:35:14,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:35:14,821 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:35:14,822 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:35:14,822 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:35:14,822 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:35:14,823 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:35:14,823 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:35:14,823 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:35:14,824 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:35:14,824 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:35:14,827 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:35:14,827 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:35:14,828 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:35:14,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:35:14,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:35:14,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:35:14,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:35:14,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:35:14,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:35:14,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:35:14,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:35:14,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:35:14,842 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:35:14,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:35:14,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:35:14,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:35:14,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:35:14,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:35:14,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:35:14,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:35:14,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:35:14,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:35:14,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:35:14,850 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:35:14,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:35:14,851 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:35:14,852 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:35:14,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:35:14,852 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_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-11-09 05:35:15,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:35:15,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:35:15,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:35:15,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:35:15,179 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:35:15,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i Unable to find full path for "g++" [2024-11-09 05:35:17,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:35:17,641 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:35:17,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i [2024-11-09 05:35:17,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/data/2e269e769/ca1b4de4551a47aca9442e07af715785/FLAGb18979bbb [2024-11-09 05:35:17,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/data/2e269e769/ca1b4de4551a47aca9442e07af715785 [2024-11-09 05:35:17,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:35:17,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:35:17,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:35:17,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:35:17,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:35:17,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:35:17" (1/1) ... [2024-11-09 05:35:17,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465fb3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:17, skipping insertion in model container [2024-11-09 05:35:17,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:35:17" (1/1) ... [2024-11-09 05:35:17,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:35:18,287 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i[33519,33532] [2024-11-09 05:35:18,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:35:18,461 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:35:18,508 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i[33519,33532] [2024-11-09 05:35:18,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:35:18,634 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:35:18,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18 WrapperNode [2024-11-09 05:35:18,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:35:18,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:35:18,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:35:18,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:35:18,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18" (1/1) ... [2024-11-09 05:35:18,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18" (1/1) ... [2024-11-09 05:35:18,753 INFO L138 Inliner]: procedures = 176, calls = 220, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 940 [2024-11-09 05:35:18,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:35:18,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:35:18,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:35:18,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:35:18,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18" (1/1) ... [2024-11-09 05:35:18,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18" (1/1) ... [2024-11-09 05:35:18,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18" (1/1) ... [2024-11-09 05:35:18,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18" (1/1) ... [2024-11-09 05:35:18,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18" (1/1) ... [2024-11-09 05:35:18,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18" (1/1) ... [2024-11-09 05:35:18,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18" (1/1) ... [2024-11-09 05:35:18,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18" (1/1) ... [2024-11-09 05:35:18,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:35:18,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:35:18,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:35:18,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:35:18,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18" (1/1) ... [2024-11-09 05:35:18,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:35:18,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:18,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:35:18,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:35:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:35:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:35:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:35:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:35:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:35:19,339 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:35:19,342 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:35:20,984 INFO L? ?]: Removed 222 outVars from TransFormulas that were not future-live. [2024-11-09 05:35:20,985 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:35:22,051 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:35:22,052 INFO L316 CfgBuilder]: Removed 35 assume(true) statements. [2024-11-09 05:35:22,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:35:22 BoogieIcfgContainer [2024-11-09 05:35:22,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:35:22,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:35:22,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:35:22,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:35:22,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:35:17" (1/3) ... [2024-11-09 05:35:22,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6129b412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:35:22, skipping insertion in model container [2024-11-09 05:35:22,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:18" (2/3) ... [2024-11-09 05:35:22,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6129b412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:35:22, skipping insertion in model container [2024-11-09 05:35:22,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:35:22" (3/3) ... [2024-11-09 05:35:22,067 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test1-2.i [2024-11-09 05:35:22,086 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:35:22,086 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:35:22,179 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:35:22,189 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;@17e90656, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:35:22,190 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:35:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 81 states have (on average 1.691358024691358) internal successors, (137), 82 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:35:22,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 05:35:22,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:22,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:22,204 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:35:22,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:22,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1931518737, now seen corresponding path program 1 times [2024-11-09 05:35:22,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:22,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811689241] [2024-11-09 05:35:22,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:22,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:22,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:22,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811689241] [2024-11-09 05:35:22,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811689241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:22,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:22,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:35:22,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232412472] [2024-11-09 05:35:22,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:22,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:35:22,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:22,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:35:22,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:35:22,523 INFO L87 Difference]: Start difference. First operand has 87 states, 81 states have (on average 1.691358024691358) internal successors, (137), 82 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:24,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:26,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:28,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:30,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:32,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:34,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:35,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:35,376 INFO L93 Difference]: Finished difference Result 230 states and 384 transitions. [2024-11-09 05:35:35,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:35:35,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-11-09 05:35:35,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:35,390 INFO L225 Difference]: With dead ends: 230 [2024-11-09 05:35:35,390 INFO L226 Difference]: Without dead ends: 125 [2024-11-09 05:35:35,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:35:35,397 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 60 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:35,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 174 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 6 Unknown, 0 Unchecked, 12.8s Time] [2024-11-09 05:35:35,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-09 05:35:35,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 70. [2024-11-09 05:35:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 65 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:35:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2024-11-09 05:35:35,443 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 7 [2024-11-09 05:35:35,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:35,444 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2024-11-09 05:35:35,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2024-11-09 05:35:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 05:35:35,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:35,447 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:35,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:35:35,448 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:35:35,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:35,449 INFO L85 PathProgramCache]: Analyzing trace with hash -586429737, now seen corresponding path program 1 times [2024-11-09 05:35:35,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:35,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621112698] [2024-11-09 05:35:35,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:35,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:36,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:36,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:36,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621112698] [2024-11-09 05:35:36,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621112698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:36,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:36,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:35:36,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053371661] [2024-11-09 05:35:36,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:36,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:35:36,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:36,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:35:36,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:35:36,010 INFO L87 Difference]: Start difference. First operand 70 states and 83 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:38,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:40,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:42,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:44,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:46,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:48,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:48,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:48,717 INFO L93 Difference]: Finished difference Result 153 states and 182 transitions. [2024-11-09 05:35:48,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:35:48,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 36 [2024-11-09 05:35:48,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:48,722 INFO L225 Difference]: With dead ends: 153 [2024-11-09 05:35:48,722 INFO L226 Difference]: Without dead ends: 86 [2024-11-09 05:35:48,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:35:48,725 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 6 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:48,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 131 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 6 Unknown, 0 Unchecked, 12.7s Time] [2024-11-09 05:35:48,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-09 05:35:48,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-09 05:35:48,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 81 states have (on average 1.1728395061728396) internal successors, (95), 81 states have internal predecessors, (95), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:35:48,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2024-11-09 05:35:48,739 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 36 [2024-11-09 05:35:48,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:48,740 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2024-11-09 05:35:48,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2024-11-09 05:35:48,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 05:35:48,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:48,742 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, 1, 1, 1, 1] [2024-11-09 05:35:48,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:35:48,743 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:35:48,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:48,744 INFO L85 PathProgramCache]: Analyzing trace with hash 2009363843, now seen corresponding path program 1 times [2024-11-09 05:35:48,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:48,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188609866] [2024-11-09 05:35:48,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:48,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:35:49,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:49,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188609866] [2024-11-09 05:35:49,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188609866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:49,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300974315] [2024-11-09 05:35:49,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:49,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:49,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:49,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:49,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:35:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:49,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:35:49,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:35:49,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:35:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:35:49,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300974315] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:35:49,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1140177060] [2024-11-09 05:35:49,987 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2024-11-09 05:35:49,988 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:35:49,991 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:35:49,999 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:35:50,000 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:35:56,963 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 204 for LOIs [2024-11-09 05:35:57,152 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:36:21,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1140177060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:21,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:36:21,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4, 4] total 17 [2024-11-09 05:36:21,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133761002] [2024-11-09 05:36:21,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:21,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 05:36:21,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:21,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 05:36:21,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=186, Unknown=7, NotChecked=0, Total=272 [2024-11-09 05:36:21,023 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 11 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 05:36:23,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:25,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:27,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:29,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:31,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:34,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:36,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:38,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:40,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:42,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:44,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:46,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:49,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:51,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:54,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:56,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:36:58,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:00,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:04,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:16,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:18,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:20,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:22,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:24,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:26,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:28,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:30,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:32,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:34,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:36,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:38,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:40,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:42,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:44,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:46,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:48,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:50,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:37:52,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:37:57,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:37:58,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:38:02,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:02,079 INFO L93 Difference]: Finished difference Result 167 states and 199 transitions. [2024-11-09 05:38:02,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 05:38:02,088 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 11 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 49 [2024-11-09 05:38:02,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:02,090 INFO L225 Difference]: With dead ends: 167 [2024-11-09 05:38:02,090 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 05:38:02,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 24.5s TimeCoverageRelationStatistics Valid=88, Invalid=211, Unknown=7, NotChecked=0, Total=306 [2024-11-09 05:38:02,092 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 6 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 2 mSolverCounterUnsat, 39 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 39 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:02,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 491 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 460 Invalid, 39 Unknown, 0 Unchecked, 100.3s Time] [2024-11-09 05:38:02,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 05:38:02,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-09 05:38:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 81 states have (on average 1.1481481481481481) internal successors, (93), 81 states have internal predecessors, (93), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 05:38:02,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2024-11-09 05:38:02,112 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 49 [2024-11-09 05:38:02,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:02,113 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2024-11-09 05:38:02,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 11 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 05:38:02,113 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2024-11-09 05:38:02,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 05:38:02,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:02,115 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, 1, 1, 1, 1, 1] [2024-11-09 05:38:02,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:38:02,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:38:02,316 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:02,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:02,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1187152235, now seen corresponding path program 1 times [2024-11-09 05:38:02,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:02,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905315474] [2024-11-09 05:38:02,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:02,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:38:02,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:02,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905315474] [2024-11-09 05:38:02,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905315474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:38:02,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757748170] [2024-11-09 05:38:02,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:02,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:38:02,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:38:02,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:38:02,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:38:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:03,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:38:03,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:38:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:38:03,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:38:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:38:03,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757748170] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:38:03,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [956129423] [2024-11-09 05:38:03,412 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2024-11-09 05:38:03,413 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:38:03,413 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:38:03,413 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:38:03,413 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:38:32,215 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 384 for LOIs [2024-11-09 05:38:36,815 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:40:03,245 WARN L286 SmtUtils]: Spent 40.44s on a formula simplification. DAG size of input: 384 DAG size of output: 373 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:40:18,617 WARN L286 SmtUtils]: Spent 7.98s on a formula simplification that was a NOOP. DAG size: 176 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:40:28,264 WARN L286 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 181 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:41:14,291 WARN L286 SmtUtils]: Spent 18.59s on a formula simplification that was a NOOP. DAG size: 214 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:42:21,692 WARN L286 SmtUtils]: Spent 22.22s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:42:23,706 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (let ((.cse21 (exists ((|v_#Ultimate.C_memset_#t~loopctr206_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr206_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr206_27| 4294967296)))))) (or (and (exists ((|v_#memory_int_119| (Array Int (Array Int Int))) (|v_#memory_int_407| (Array Int (Array Int Int))) (|v_#valid_63| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_385| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_121| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_123| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_122| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_123| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_122| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_385| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_121| (Array Int (Array Int Int))) (|v_#memory_int_120| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (Array Int (Array Int Int)))) (let ((.cse12 (select (select |v_#memory_$Pointer$.base_122| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (select (select |v_#memory_$Pointer$.offset_122| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (select (select |v_#memory_$Pointer$.base_385| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (+ 16 (select (select |v_#memory_$Pointer$.offset_385| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse6 (store |v_#memory_$Pointer$.offset_385| .cse18 (store (select |v_#memory_$Pointer$.offset_385| .cse18) .cse19 8))) (.cse20 (store |v_#memory_$Pointer$.base_385| .cse18 (store (select |v_#memory_$Pointer$.base_385| .cse18) .cse19 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse3 (store |v_#memory_$Pointer$.offset_122| .cse12 (store (select |v_#memory_$Pointer$.offset_122| .cse12) .cse13 0))) (.cse0 (store |v_#memory_$Pointer$.base_122| .cse12 (store (select |v_#memory_$Pointer$.base_122| .cse12) .cse13 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse2 (+ 40 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse16 (select (select |v_#memory_$Pointer$.base_121| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (+ (select (select |v_#memory_$Pointer$.offset_121| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse4 (select (select |v_#memory_$Pointer$.base_123| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (+ (select (select |v_#memory_$Pointer$.offset_123| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse7 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (= (select |v_#valid_63| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse1) .cse2)))) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (store .cse3 .cse1 (store (select .cse3 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse1) .cse2)))) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= (store |v_#memory_$Pointer$.offset_123| .cse4 (store (select |v_#memory_$Pointer$.offset_123| .cse4) .cse5 (select (select |v_#memory_$Pointer$.offset_122| .cse4) .cse5))) |v_#memory_$Pointer$.offset_122|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_121| .cse7) .cse8))) |v_#memory_$Pointer$.offset_121|) (let ((.cse9 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse9) .cse10) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse9) .cse10) 0)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (let ((.cse11 (let ((.cse14 (let ((.cse15 (store |v_#memory_int_119| .cse7 (store (select |v_#memory_int_119| .cse7) .cse8 32)))) (store .cse15 .cse16 (store (select .cse15 .cse16) .cse17 5))))) (store .cse14 .cse4 (store (select .cse14 .cse4) .cse5 8))))) (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 (select (select |v_#memory_int_120| .cse12) .cse13)))) |v_#memory_int_120|) (= (store |v_#memory_$Pointer$.offset_121| .cse16 (store (select |v_#memory_$Pointer$.offset_121| .cse16) .cse17 (select (select |v_#memory_$Pointer$.offset_123| .cse16) .cse17))) |v_#memory_$Pointer$.offset_123|) (= (store |v_#memory_int_407| .cse18 (store (select |v_#memory_int_407| .cse18) .cse19 (select (select |v_#memory_int_119| .cse18) .cse19))) |v_#memory_int_119|) (= |c_#valid| (store |v_#valid_63| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#memory_$Pointer$.base_121| .cse16 (store (select |v_#memory_$Pointer$.base_121| .cse16) .cse17 (select (select |v_#memory_$Pointer$.base_123| .cse16) .cse17))) |v_#memory_$Pointer$.base_123|) (= (store |v_#memory_$Pointer$.base_123| .cse4 (store (select |v_#memory_$Pointer$.base_123| .cse4) .cse5 (select (select |v_#memory_$Pointer$.base_122| .cse4) .cse5))) |v_#memory_$Pointer$.base_122|) (= (store .cse20 .cse7 (store (select .cse20 .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_121| .cse7) .cse8))) |v_#memory_$Pointer$.base_121|)))))) .cse21) (and (exists ((|v_#memory_int_119| (Array Int (Array Int Int))) (|v_#memory_int_407| (Array Int (Array Int Int))) (|v_#valid_63| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_385| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_121| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_123| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_122| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_123| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_122| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_385| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_121| (Array Int (Array Int Int))) (|v_#memory_int_120| (Array Int (Array Int Int)))) (let ((.cse33 (select (select |v_#memory_$Pointer$.base_122| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (select (select |v_#memory_$Pointer$.offset_122| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (select (select |v_#memory_$Pointer$.base_385| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (+ 16 (select (select |v_#memory_$Pointer$.offset_385| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse29 (store |v_#memory_$Pointer$.offset_385| .cse39 (store (select |v_#memory_$Pointer$.offset_385| .cse39) .cse40 8))) (.cse42 (store |v_#memory_$Pointer$.base_385| .cse39 (store (select |v_#memory_$Pointer$.base_385| .cse39) .cse40 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse26 (store |v_#memory_$Pointer$.offset_122| .cse33 (store (select |v_#memory_$Pointer$.offset_122| .cse33) .cse34 0))) (.cse41 (store |v_#memory_$Pointer$.base_122| .cse33 (store (select |v_#memory_$Pointer$.base_122| .cse33) .cse34 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)))) (let ((.cse27 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ 40 (select (select .cse26 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse37 (select (select |v_#memory_$Pointer$.base_121| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ (select (select |v_#memory_$Pointer$.offset_121| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse24 (select (select |v_#memory_$Pointer$.base_123| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ (select (select |v_#memory_$Pointer$.offset_123| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse30 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (+ (select (select .cse29 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (let ((.cse22 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse22) .cse23) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse22) .cse23) 0)))) (= (select |v_#valid_63| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= (store |v_#memory_$Pointer$.offset_123| .cse24 (store (select |v_#memory_$Pointer$.offset_123| .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_122| .cse24) .cse25))) |v_#memory_$Pointer$.offset_122|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (store .cse26 .cse27 (store (select .cse26 .cse27) .cse28 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse27) .cse28)))) (= (store .cse29 .cse30 (store (select .cse29 .cse30) .cse31 (select (select |v_#memory_$Pointer$.offset_121| .cse30) .cse31))) |v_#memory_$Pointer$.offset_121|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (let ((.cse32 (let ((.cse35 (let ((.cse36 (store |v_#memory_int_119| .cse30 (store (select |v_#memory_int_119| .cse30) .cse31 32)))) (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 5))))) (store .cse35 .cse24 (store (select .cse35 .cse24) .cse25 8))))) (store .cse32 .cse33 (store (select .cse32 .cse33) .cse34 (select (select |v_#memory_int_120| .cse33) .cse34)))) |v_#memory_int_120|) (= (store |v_#memory_$Pointer$.offset_121| .cse37 (store (select |v_#memory_$Pointer$.offset_121| .cse37) .cse38 (select (select |v_#memory_$Pointer$.offset_123| .cse37) .cse38))) |v_#memory_$Pointer$.offset_123|) (= (store |v_#memory_int_407| .cse39 (store (select |v_#memory_int_407| .cse39) .cse40 (select (select |v_#memory_int_119| .cse39) .cse40))) |v_#memory_int_119|) (= |c_#valid| (store |v_#valid_63| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (store .cse41 .cse27 (store (select .cse41 .cse27) .cse28 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse27) .cse28)))) (= (store |v_#memory_$Pointer$.base_121| .cse37 (store (select |v_#memory_$Pointer$.base_121| .cse37) .cse38 (select (select |v_#memory_$Pointer$.base_123| .cse37) .cse38))) |v_#memory_$Pointer$.base_123|) (= (store |v_#memory_$Pointer$.base_123| .cse24 (store (select |v_#memory_$Pointer$.base_123| .cse24) .cse25 (select (select |v_#memory_$Pointer$.base_122| .cse24) .cse25))) |v_#memory_$Pointer$.base_122|) (= (store .cse42 .cse30 (store (select .cse42 .cse30) .cse31 (select (select |v_#memory_$Pointer$.base_121| .cse30) .cse31))) |v_#memory_$Pointer$.base_121|)))))) .cse21))) (<= 1 |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) is different from false [2024-11-09 05:42:25,900 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (let ((.cse21 (exists ((|v_#Ultimate.C_memset_#t~loopctr206_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr206_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr206_27| 4294967296)))))) (or (and (exists ((|v_#memory_int_119| (Array Int (Array Int Int))) (|v_#memory_int_407| (Array Int (Array Int Int))) (|v_#valid_63| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_385| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_121| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_123| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_122| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_123| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_122| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_385| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_121| (Array Int (Array Int Int))) (|v_#memory_int_120| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (Array Int (Array Int Int)))) (let ((.cse12 (select (select |v_#memory_$Pointer$.base_122| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (select (select |v_#memory_$Pointer$.offset_122| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (select (select |v_#memory_$Pointer$.base_385| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (+ 16 (select (select |v_#memory_$Pointer$.offset_385| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse6 (store |v_#memory_$Pointer$.offset_385| .cse18 (store (select |v_#memory_$Pointer$.offset_385| .cse18) .cse19 8))) (.cse20 (store |v_#memory_$Pointer$.base_385| .cse18 (store (select |v_#memory_$Pointer$.base_385| .cse18) .cse19 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse3 (store |v_#memory_$Pointer$.offset_122| .cse12 (store (select |v_#memory_$Pointer$.offset_122| .cse12) .cse13 0))) (.cse0 (store |v_#memory_$Pointer$.base_122| .cse12 (store (select |v_#memory_$Pointer$.base_122| .cse12) .cse13 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse2 (+ 40 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse16 (select (select |v_#memory_$Pointer$.base_121| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (+ (select (select |v_#memory_$Pointer$.offset_121| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse4 (select (select |v_#memory_$Pointer$.base_123| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (+ (select (select |v_#memory_$Pointer$.offset_123| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse7 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (= (select |v_#valid_63| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse1) .cse2)))) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (store .cse3 .cse1 (store (select .cse3 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse1) .cse2)))) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= (store |v_#memory_$Pointer$.offset_123| .cse4 (store (select |v_#memory_$Pointer$.offset_123| .cse4) .cse5 (select (select |v_#memory_$Pointer$.offset_122| .cse4) .cse5))) |v_#memory_$Pointer$.offset_122|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_121| .cse7) .cse8))) |v_#memory_$Pointer$.offset_121|) (let ((.cse9 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse9) .cse10) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse9) .cse10) 0)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (let ((.cse11 (let ((.cse14 (let ((.cse15 (store |v_#memory_int_119| .cse7 (store (select |v_#memory_int_119| .cse7) .cse8 32)))) (store .cse15 .cse16 (store (select .cse15 .cse16) .cse17 5))))) (store .cse14 .cse4 (store (select .cse14 .cse4) .cse5 8))))) (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 (select (select |v_#memory_int_120| .cse12) .cse13)))) |v_#memory_int_120|) (= (store |v_#memory_$Pointer$.offset_121| .cse16 (store (select |v_#memory_$Pointer$.offset_121| .cse16) .cse17 (select (select |v_#memory_$Pointer$.offset_123| .cse16) .cse17))) |v_#memory_$Pointer$.offset_123|) (= (store |v_#memory_int_407| .cse18 (store (select |v_#memory_int_407| .cse18) .cse19 (select (select |v_#memory_int_119| .cse18) .cse19))) |v_#memory_int_119|) (= |c_#valid| (store |v_#valid_63| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#memory_$Pointer$.base_121| .cse16 (store (select |v_#memory_$Pointer$.base_121| .cse16) .cse17 (select (select |v_#memory_$Pointer$.base_123| .cse16) .cse17))) |v_#memory_$Pointer$.base_123|) (= (store |v_#memory_$Pointer$.base_123| .cse4 (store (select |v_#memory_$Pointer$.base_123| .cse4) .cse5 (select (select |v_#memory_$Pointer$.base_122| .cse4) .cse5))) |v_#memory_$Pointer$.base_122|) (= (store .cse20 .cse7 (store (select .cse20 .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_121| .cse7) .cse8))) |v_#memory_$Pointer$.base_121|)))))) .cse21) (and (exists ((|v_#memory_int_119| (Array Int (Array Int Int))) (|v_#memory_int_407| (Array Int (Array Int Int))) (|v_#valid_63| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_385| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_121| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_123| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_122| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_123| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_122| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_385| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_121| (Array Int (Array Int Int))) (|v_#memory_int_120| (Array Int (Array Int Int)))) (let ((.cse33 (select (select |v_#memory_$Pointer$.base_122| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (select (select |v_#memory_$Pointer$.offset_122| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (select (select |v_#memory_$Pointer$.base_385| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (+ 16 (select (select |v_#memory_$Pointer$.offset_385| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse29 (store |v_#memory_$Pointer$.offset_385| .cse39 (store (select |v_#memory_$Pointer$.offset_385| .cse39) .cse40 8))) (.cse42 (store |v_#memory_$Pointer$.base_385| .cse39 (store (select |v_#memory_$Pointer$.base_385| .cse39) .cse40 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse26 (store |v_#memory_$Pointer$.offset_122| .cse33 (store (select |v_#memory_$Pointer$.offset_122| .cse33) .cse34 0))) (.cse41 (store |v_#memory_$Pointer$.base_122| .cse33 (store (select |v_#memory_$Pointer$.base_122| .cse33) .cse34 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)))) (let ((.cse27 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ 40 (select (select .cse26 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse37 (select (select |v_#memory_$Pointer$.base_121| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ (select (select |v_#memory_$Pointer$.offset_121| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse24 (select (select |v_#memory_$Pointer$.base_123| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ (select (select |v_#memory_$Pointer$.offset_123| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse30 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (+ (select (select .cse29 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (let ((.cse22 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse22) .cse23) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse22) .cse23) 0)))) (= (select |v_#valid_63| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= (store |v_#memory_$Pointer$.offset_123| .cse24 (store (select |v_#memory_$Pointer$.offset_123| .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_122| .cse24) .cse25))) |v_#memory_$Pointer$.offset_122|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (store .cse26 .cse27 (store (select .cse26 .cse27) .cse28 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse27) .cse28)))) (= (store .cse29 .cse30 (store (select .cse29 .cse30) .cse31 (select (select |v_#memory_$Pointer$.offset_121| .cse30) .cse31))) |v_#memory_$Pointer$.offset_121|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (let ((.cse32 (let ((.cse35 (let ((.cse36 (store |v_#memory_int_119| .cse30 (store (select |v_#memory_int_119| .cse30) .cse31 32)))) (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 5))))) (store .cse35 .cse24 (store (select .cse35 .cse24) .cse25 8))))) (store .cse32 .cse33 (store (select .cse32 .cse33) .cse34 (select (select |v_#memory_int_120| .cse33) .cse34)))) |v_#memory_int_120|) (= (store |v_#memory_$Pointer$.offset_121| .cse37 (store (select |v_#memory_$Pointer$.offset_121| .cse37) .cse38 (select (select |v_#memory_$Pointer$.offset_123| .cse37) .cse38))) |v_#memory_$Pointer$.offset_123|) (= (store |v_#memory_int_407| .cse39 (store (select |v_#memory_int_407| .cse39) .cse40 (select (select |v_#memory_int_119| .cse39) .cse40))) |v_#memory_int_119|) (= |c_#valid| (store |v_#valid_63| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (store .cse41 .cse27 (store (select .cse41 .cse27) .cse28 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse27) .cse28)))) (= (store |v_#memory_$Pointer$.base_121| .cse37 (store (select |v_#memory_$Pointer$.base_121| .cse37) .cse38 (select (select |v_#memory_$Pointer$.base_123| .cse37) .cse38))) |v_#memory_$Pointer$.base_123|) (= (store |v_#memory_$Pointer$.base_123| .cse24 (store (select |v_#memory_$Pointer$.base_123| .cse24) .cse25 (select (select |v_#memory_$Pointer$.base_122| .cse24) .cse25))) |v_#memory_$Pointer$.base_122|) (= (store .cse42 .cse30 (store (select .cse42 .cse30) .cse31 (select (select |v_#memory_$Pointer$.base_121| .cse30) .cse31))) |v_#memory_$Pointer$.base_121|)))))) .cse21))) (<= 1 |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (exists ((|v_#memory_$Pointer$.offset_386| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_386| (Array Int (Array Int Int))) (|v_#memory_int_408| (Array Int (Array Int Int)))) (let ((.cse43 (select (select |v_#memory_$Pointer$.base_386| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (.cse45 (+ (select (select |v_#memory_$Pointer$.offset_386| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 12))) (and (= (store |v_#memory_int_408| .cse43 (let ((.cse44 (select |v_#memory_int_408| .cse43))) (store .cse44 .cse45 (+ (select .cse44 .cse45) 1)))) |c_#memory_int|) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_386| .cse43 (store (select |v_#memory_$Pointer$.offset_386| .cse43) .cse45 (select (select |c_#memory_$Pointer$.offset| .cse43) .cse45)))) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_386| .cse43 (store (select |v_#memory_$Pointer$.base_386| .cse43) .cse45 (select (select |c_#memory_$Pointer$.base| .cse43) .cse45)))))))) is different from false [2024-11-09 05:42:27,936 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (let ((.cse21 (exists ((|v_#Ultimate.C_memset_#t~loopctr206_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr206_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr206_27| 4294967296)))))) (or (and (exists ((|v_#memory_int_119| (Array Int (Array Int Int))) (|v_#memory_int_407| (Array Int (Array Int Int))) (|v_#valid_63| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_#memory_$Pointer$.offset_385| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_121| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_123| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_122| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_123| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_122| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_385| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_121| (Array Int (Array Int Int))) (|v_#memory_int_120| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (Array Int (Array Int Int)))) (let ((.cse12 (select (select |v_#memory_$Pointer$.base_122| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (select (select |v_#memory_$Pointer$.offset_122| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (select (select |v_#memory_$Pointer$.base_385| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (+ 16 (select (select |v_#memory_$Pointer$.offset_385| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse6 (store |v_#memory_$Pointer$.offset_385| .cse18 (store (select |v_#memory_$Pointer$.offset_385| .cse18) .cse19 8))) (.cse20 (store |v_#memory_$Pointer$.base_385| .cse18 (store (select |v_#memory_$Pointer$.base_385| .cse18) .cse19 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse3 (store |v_#memory_$Pointer$.offset_122| .cse12 (store (select |v_#memory_$Pointer$.offset_122| .cse12) .cse13 0))) (.cse0 (store |v_#memory_$Pointer$.base_122| .cse12 (store (select |v_#memory_$Pointer$.base_122| .cse12) .cse13 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse2 (+ 40 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse16 (select (select |v_#memory_$Pointer$.base_121| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (+ (select (select |v_#memory_$Pointer$.offset_121| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse4 (select (select |v_#memory_$Pointer$.base_123| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (+ (select (select |v_#memory_$Pointer$.offset_123| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse7 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (= (select |v_#valid_63| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse1) .cse2)))) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (store .cse3 .cse1 (store (select .cse3 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse1) .cse2)))) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= (store |v_#memory_$Pointer$.offset_123| .cse4 (store (select |v_#memory_$Pointer$.offset_123| .cse4) .cse5 (select (select |v_#memory_$Pointer$.offset_122| .cse4) .cse5))) |v_#memory_$Pointer$.offset_122|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_121| .cse7) .cse8))) |v_#memory_$Pointer$.offset_121|) (let ((.cse9 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse9) .cse10) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse9) .cse10) 0)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (let ((.cse11 (let ((.cse14 (let ((.cse15 (store |v_#memory_int_119| .cse7 (store (select |v_#memory_int_119| .cse7) .cse8 32)))) (store .cse15 .cse16 (store (select .cse15 .cse16) .cse17 5))))) (store .cse14 .cse4 (store (select .cse14 .cse4) .cse5 8))))) (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 (select (select |v_#memory_int_120| .cse12) .cse13)))) |v_#memory_int_120|) (= (store |v_#memory_$Pointer$.offset_121| .cse16 (store (select |v_#memory_$Pointer$.offset_121| .cse16) .cse17 (select (select |v_#memory_$Pointer$.offset_123| .cse16) .cse17))) |v_#memory_$Pointer$.offset_123|) (= (store |v_#memory_int_407| .cse18 (store (select |v_#memory_int_407| .cse18) .cse19 (select (select |v_#memory_int_119| .cse18) .cse19))) |v_#memory_int_119|) (= |c_#valid| (store |v_#valid_63| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= (store |v_#memory_$Pointer$.base_121| .cse16 (store (select |v_#memory_$Pointer$.base_121| .cse16) .cse17 (select (select |v_#memory_$Pointer$.base_123| .cse16) .cse17))) |v_#memory_$Pointer$.base_123|) (= (store |v_#memory_$Pointer$.base_123| .cse4 (store (select |v_#memory_$Pointer$.base_123| .cse4) .cse5 (select (select |v_#memory_$Pointer$.base_122| .cse4) .cse5))) |v_#memory_$Pointer$.base_122|) (= (store .cse20 .cse7 (store (select .cse20 .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_121| .cse7) .cse8))) |v_#memory_$Pointer$.base_121|)))))) .cse21) (and (exists ((|v_#memory_int_119| (Array Int (Array Int Int))) (|v_#memory_int_407| (Array Int (Array Int Int))) (|v_#valid_63| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#length_38| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_6| Int) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_385| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_121| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_123| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_122| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_123| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_122| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_385| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_121| (Array Int (Array Int Int))) (|v_#memory_int_120| (Array Int (Array Int Int)))) (let ((.cse33 (select (select |v_#memory_$Pointer$.base_122| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (select (select |v_#memory_$Pointer$.offset_122| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (select (select |v_#memory_$Pointer$.base_385| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (+ 16 (select (select |v_#memory_$Pointer$.offset_385| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse29 (store |v_#memory_$Pointer$.offset_385| .cse39 (store (select |v_#memory_$Pointer$.offset_385| .cse39) .cse40 8))) (.cse42 (store |v_#memory_$Pointer$.base_385| .cse39 (store (select |v_#memory_$Pointer$.base_385| .cse39) .cse40 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse26 (store |v_#memory_$Pointer$.offset_122| .cse33 (store (select |v_#memory_$Pointer$.offset_122| .cse33) .cse34 0))) (.cse41 (store |v_#memory_$Pointer$.base_122| .cse33 (store (select |v_#memory_$Pointer$.base_122| .cse33) .cse34 |v_ULTIMATE.start_main_#t~malloc58#1.base_6|)))) (let ((.cse27 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ 40 (select (select .cse26 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse37 (select (select |v_#memory_$Pointer$.base_121| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ (select (select |v_#memory_$Pointer$.offset_121| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse24 (select (select |v_#memory_$Pointer$.base_123| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ (select (select |v_#memory_$Pointer$.offset_123| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse30 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (+ (select (select .cse29 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (let ((.cse22 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse22) .cse23) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse22) .cse23) 0)))) (= (select |v_#valid_63| |v_ULTIMATE.start_main_#t~malloc58#1.base_6|) 0) (= |c_#length| (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 384)) (= (store |v_#memory_$Pointer$.offset_123| .cse24 (store (select |v_#memory_$Pointer$.offset_123| .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_122| .cse24) .cse25))) |v_#memory_$Pointer$.offset_122|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1) |c_#StackHeapBarrier|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (store .cse26 .cse27 (store (select .cse26 .cse27) .cse28 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse27) .cse28)))) (= (store .cse29 .cse30 (store (select .cse29 .cse30) .cse31 (select (select |v_#memory_$Pointer$.offset_121| .cse30) .cse31))) |v_#memory_$Pointer$.offset_121|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 0)) (= (let ((.cse32 (let ((.cse35 (let ((.cse36 (store |v_#memory_int_119| .cse30 (store (select |v_#memory_int_119| .cse30) .cse31 32)))) (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 5))))) (store .cse35 .cse24 (store (select .cse35 .cse24) .cse25 8))))) (store .cse32 .cse33 (store (select .cse32 .cse33) .cse34 (select (select |v_#memory_int_120| .cse33) .cse34)))) |v_#memory_int_120|) (= (store |v_#memory_$Pointer$.offset_121| .cse37 (store (select |v_#memory_$Pointer$.offset_121| .cse37) .cse38 (select (select |v_#memory_$Pointer$.offset_123| .cse37) .cse38))) |v_#memory_$Pointer$.offset_123|) (= (store |v_#memory_int_407| .cse39 (store (select |v_#memory_int_407| .cse39) .cse40 (select (select |v_#memory_int_119| .cse39) .cse40))) |v_#memory_int_119|) (= |c_#valid| (store |v_#valid_63| |v_ULTIMATE.start_main_#t~malloc58#1.base_6| 1)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (store .cse41 .cse27 (store (select .cse41 .cse27) .cse28 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse27) .cse28)))) (= (store |v_#memory_$Pointer$.base_121| .cse37 (store (select |v_#memory_$Pointer$.base_121| .cse37) .cse38 (select (select |v_#memory_$Pointer$.base_123| .cse37) .cse38))) |v_#memory_$Pointer$.base_123|) (= (store |v_#memory_$Pointer$.base_123| .cse24 (store (select |v_#memory_$Pointer$.base_123| .cse24) .cse25 (select (select |v_#memory_$Pointer$.base_122| .cse24) .cse25))) |v_#memory_$Pointer$.base_122|) (= (store .cse42 .cse30 (store (select .cse42 .cse30) .cse31 (select (select |v_#memory_$Pointer$.base_121| .cse30) .cse31))) |v_#memory_$Pointer$.base_121|)))))) .cse21))) (<= 1 |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (let ((.cse47 (mod (+ (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 4)) 4294967295) 4294967296)) (.cse48 (mod |c_ULTIMATE.start_main_~_ha_hashv~0#1| 4294967296))) (let ((.cse43 (= .cse48 0)) (.cse44 (= .cse47 0))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| 0) (or .cse43 .cse44)) (and (not .cse43) (let ((.cse45 (= .cse47 .cse48))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse45) (let ((.cse46 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296))) (and (not .cse45) (<= .cse46 .cse47) (<= .cse46 .cse48))))) (not .cse44))))) (exists ((|v_#memory_$Pointer$.offset_386| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_386| (Array Int (Array Int Int))) (|v_#memory_int_408| (Array Int (Array Int Int)))) (let ((.cse49 (select (select |v_#memory_$Pointer$.base_386| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (.cse51 (+ (select (select |v_#memory_$Pointer$.offset_386| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 12))) (and (= (store |v_#memory_int_408| .cse49 (let ((.cse50 (select |v_#memory_int_408| .cse49))) (store .cse50 .cse51 (+ (select .cse50 .cse51) 1)))) |c_#memory_int|) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_386| .cse49 (store (select |v_#memory_$Pointer$.offset_386| .cse49) .cse51 (select (select |c_#memory_$Pointer$.offset| .cse49) .cse51)))) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_386| .cse49 (store (select |v_#memory_$Pointer$.base_386| .cse49) .cse51 (select (select |c_#memory_$Pointer$.base| .cse49) .cse51)))))))) is different from false [2024-11-09 05:42:47,583 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1788#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0))' at error location [2024-11-09 05:42:47,583 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:42:47,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:42:47,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-09 05:42:47,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250780785] [2024-11-09 05:42:47,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:42:47,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:42:47,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:47,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:42:47,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=735, Unknown=50, NotChecked=174, Total=1056 [2024-11-09 05:42:47,586 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 05:42:49,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:51,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:53,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:56,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:42:58,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:00,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:02,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:04,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:06,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:08,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:10,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:12,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:14,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:15,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:15,758 INFO L93 Difference]: Finished difference Result 243 states and 289 transitions. [2024-11-09 05:43:15,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:43:15,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2024-11-09 05:43:15,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:15,760 INFO L225 Difference]: With dead ends: 243 [2024-11-09 05:43:15,760 INFO L226 Difference]: Without dead ends: 236 [2024-11-09 05:43:15,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 250.8s TimeCoverageRelationStatistics Valid=97, Invalid=735, Unknown=50, NotChecked=174, Total=1056 [2024-11-09 05:43:15,762 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 195 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 6 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:15,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 253 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 64 Invalid, 13 Unknown, 0 Unchecked, 28.1s Time] [2024-11-09 05:43:15,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-09 05:43:15,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2024-11-09 05:43:15,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 222 states have (on average 1.1306306306306306) internal successors, (251), 221 states have internal predecessors, (251), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:43:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 275 transitions. [2024-11-09 05:43:15,790 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 275 transitions. Word has length 50 [2024-11-09 05:43:15,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:15,790 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 275 transitions. [2024-11-09 05:43:15,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 05:43:15,791 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 275 transitions. [2024-11-09 05:43:15,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 05:43:15,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:15,796 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:15,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:43:15,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:43:15,997 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:43:15,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:15,997 INFO L85 PathProgramCache]: Analyzing trace with hash 505229787, now seen corresponding path program 1 times [2024-11-09 05:43:15,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:15,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102159042] [2024-11-09 05:43:15,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:15,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-09 05:43:17,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:17,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102159042] [2024-11-09 05:43:17,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102159042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:43:17,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639392170] [2024-11-09 05:43:17,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:17,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:43:17,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:43:17,155 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:43:17,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:43:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:17,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:43:17,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:18,427 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:43:18,428 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:43:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:43:19,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639392170] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:43:19,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1812850838] [2024-11-09 05:43:19,017 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2024-11-09 05:43:19,017 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:43:19,017 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:43:19,018 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:43:19,018 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:43:46,835 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 204 for LOIs [2024-11-09 05:43:46,937 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:44:19,486 WARN L286 SmtUtils]: Spent 17.79s on a formula simplification. DAG size of input: 204 DAG size of output: 201 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:44:28,802 WARN L286 SmtUtils]: Spent 6.94s on a formula simplification that was a NOOP. DAG size: 176 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:44:38,117 WARN L286 SmtUtils]: Spent 7.23s on a formula simplification that was a NOOP. DAG size: 181 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:45:28,540 WARN L286 SmtUtils]: Spent 19.98s on a formula simplification that was a NOOP. DAG size: 214 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:46:25,575 WARN L286 SmtUtils]: Spent 18.09s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:47:21,727 WARN L286 SmtUtils]: Spent 13.82s on a formula simplification. DAG size of input: 173 DAG size of output: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:47:31,086 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3295#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0))' at error location [2024-11-09 05:47:31,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:47:31,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:47:31,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2024-11-09 05:47:31,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099836428] [2024-11-09 05:47:31,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:47:31,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:47:31,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:31,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:47:31,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=1483, Unknown=45, NotChecked=0, Total=1722 [2024-11-09 05:47:31,092 INFO L87 Difference]: Start difference. First operand 236 states and 275 transitions. Second operand has 14 states, 14 states have (on average 22.0) internal successors, (308), 14 states have internal predecessors, (308), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 05:47:33,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:35,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:37,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:39,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:41,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:43,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:46,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:48,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:50,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:52,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:54,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:56,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:47:58,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:00,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:02,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:04,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:06,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:09,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:11,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:13,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:15,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:17,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:19,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:22,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:24,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:26,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:28,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:30,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:32,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:34,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:36,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:38,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:40,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:42,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:44,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:46,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:48,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:50,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:52,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:55,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:57,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:48:59,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:00,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:02,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:04,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:06,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:09,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:11,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:13,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:15,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:17,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:49:21,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:49:23,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:49:26,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:49:28,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-09 05:49:30,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:30,128 INFO L93 Difference]: Finished difference Result 661 states and 779 transitions. [2024-11-09 05:49:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:49:30,134 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 22.0) internal successors, (308), 14 states have internal predecessors, (308), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 137 [2024-11-09 05:49:30,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:30,137 INFO L225 Difference]: With dead ends: 661 [2024-11-09 05:49:30,137 INFO L226 Difference]: Without dead ends: 499 [2024-11-09 05:49:30,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 226.0s TimeCoverageRelationStatistics Valid=362, Invalid=2455, Unknown=45, NotChecked=0, Total=2862 [2024-11-09 05:49:30,140 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 890 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 29 mSolverCounterUnsat, 51 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 51 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:30,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 453 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 295 Invalid, 51 Unknown, 0 Unchecked, 117.3s Time] [2024-11-09 05:49:30,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-09 05:49:30,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2024-11-09 05:49:30,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 485 states have (on average 1.1278350515463917) internal successors, (547), 484 states have internal predecessors, (547), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:49:30,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 571 transitions. [2024-11-09 05:49:30,190 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 571 transitions. Word has length 137 [2024-11-09 05:49:30,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:30,191 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 571 transitions. [2024-11-09 05:49:30,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 22.0) internal successors, (308), 14 states have internal predecessors, (308), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 05:49:30,191 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 571 transitions. [2024-11-09 05:49:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-09 05:49:30,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:30,200 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:30,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:49:30,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79490072-932f-4c5b-b4af-d353bfe50a1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:49:30,401 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:49:30,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:30,402 INFO L85 PathProgramCache]: Analyzing trace with hash 894313696, now seen corresponding path program 1 times [2024-11-09 05:49:30,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:30,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492958868] [2024-11-09 05:49:30,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:30,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms