./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:28:22,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:28:22,941 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:28:22,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:28:22,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:28:22,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:28:22,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:28:22,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:28:22,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:28:22,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:28:22,981 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:28:22,982 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:28:22,982 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:28:22,984 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:28:22,984 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:28:22,985 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:28:22,985 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:28:22,986 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:28:22,986 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:28:22,987 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:28:22,987 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:28:22,988 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:28:22,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:28:22,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:28:22,989 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:28:22,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:28:22,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:28:22,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:28:22,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:28:22,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:28:22,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:28:22,992 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:28:22,993 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:28:22,993 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:28:22,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:28:22,994 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:28:22,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:28:22,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:28:22,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:28:22,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:22,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:28:22,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:28:22,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:28:22,996 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:28:22,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:28:22,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:28:22,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:28:22,997 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:28:22,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:28:22,997 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_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 [2023-11-23 21:28:23,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:28:23,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:28:23,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:28:23,321 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:28:23,322 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:28:23,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2023-11-23 21:28:26,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:28:26,854 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:28:26,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2023-11-23 21:28:26,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/data/d615aa61c/6e30c28093dc4856ba44ba09d1caabfe/FLAGed7f62170 [2023-11-23 21:28:26,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/data/d615aa61c/6e30c28093dc4856ba44ba09d1caabfe [2023-11-23 21:28:26,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:28:26,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:28:26,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:26,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:28:26,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:28:26,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:26" (1/1) ... [2023-11-23 21:28:26,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a17eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:26, skipping insertion in model container [2023-11-23 21:28:26,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:26" (1/1) ... [2023-11-23 21:28:27,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:28:27,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:27,643 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:28:27,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:27,783 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:28:27,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27 WrapperNode [2023-11-23 21:28:27,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:27,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:27,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:28:27,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:28:27,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27" (1/1) ... [2023-11-23 21:28:27,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27" (1/1) ... [2023-11-23 21:28:27,910 INFO L138 Inliner]: procedures = 177, calls = 187, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 802 [2023-11-23 21:28:27,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:27,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:28:27,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:28:27,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:28:27,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27" (1/1) ... [2023-11-23 21:28:27,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27" (1/1) ... [2023-11-23 21:28:27,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27" (1/1) ... [2023-11-23 21:28:27,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27" (1/1) ... [2023-11-23 21:28:27,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27" (1/1) ... [2023-11-23 21:28:27,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27" (1/1) ... [2023-11-23 21:28:28,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27" (1/1) ... [2023-11-23 21:28:28,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27" (1/1) ... [2023-11-23 21:28:28,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:28:28,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:28:28,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:28:28,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:28:28,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27" (1/1) ... [2023-11-23 21:28:28,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:28,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:28:28,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:28:28,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:28:28,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:28:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:28:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:28:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:28:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:28:28,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:28:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:28:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:28:28,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:28:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:28:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:28:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:28:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:28:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:28:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:28:28,350 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:28:28,353 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:28:29,758 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:28:30,924 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:28:30,924 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-23 21:28:30,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:30 BoogieIcfgContainer [2023-11-23 21:28:30,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:28:30,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:28:30,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:28:30,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:28:30,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:28:26" (1/3) ... [2023-11-23 21:28:30,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4092db77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:30, skipping insertion in model container [2023-11-23 21:28:30,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:27" (2/3) ... [2023-11-23 21:28:30,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4092db77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:30, skipping insertion in model container [2023-11-23 21:28:30,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:30" (3/3) ... [2023-11-23 21:28:30,942 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-1.i [2023-11-23 21:28:30,968 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:28:30,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-23 21:28:31,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:28:31,059 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25dd36ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:28:31,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-23 21:28:31,065 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 71 states have (on average 1.7605633802816902) internal successors, (125), 87 states have internal predecessors, (125), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-23 21:28:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 21:28:31,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:31,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-23 21:28:31,076 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-23 21:28:31,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:31,087 INFO L85 PathProgramCache]: Analyzing trace with hash 893136, now seen corresponding path program 1 times [2023-11-23 21:28:31,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:28:31,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660253393] [2023-11-23 21:28:31,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:31,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:28:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:31,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:28:31,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:28:31,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660253393] [2023-11-23 21:28:31,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660253393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:31,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:31,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 21:28:31,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447152389] [2023-11-23 21:28:31,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:31,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:28:31,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:28:31,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:28:31,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:28:31,441 INFO L87 Difference]: Start difference. First operand has 93 states, 71 states have (on average 1.7605633802816902) internal successors, (125), 87 states have internal predecessors, (125), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:28:33,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:28:35,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:28:35,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:35,565 INFO L93 Difference]: Finished difference Result 134 states and 220 transitions. [2023-11-23 21:28:35,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:28:35,567 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2023-11-23 21:28:35,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:35,575 INFO L225 Difference]: With dead ends: 134 [2023-11-23 21:28:35,575 INFO L226 Difference]: Without dead ends: 33 [2023-11-23 21:28:35,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:28:35,584 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:35,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2023-11-23 21:28:35,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-23 21:28:35,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-23 21:28:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 31 states have internal predecessors, (32), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-23 21:28:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 52 transitions. [2023-11-23 21:28:35,657 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 52 transitions. Word has length 3 [2023-11-23 21:28:35,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:35,657 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 52 transitions. [2023-11-23 21:28:35,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:28:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-11-23 21:28:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:28:35,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:35,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:28:35,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:28:35,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-23 21:28:35,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:35,664 INFO L85 PathProgramCache]: Analyzing trace with hash 27899632, now seen corresponding path program 1 times [2023-11-23 21:28:35,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:28:35,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392558629] [2023-11-23 21:28:35,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:35,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:28:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:28:35,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:28:35,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392558629] [2023-11-23 21:28:35,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392558629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:35,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:35,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:28:35,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624049350] [2023-11-23 21:28:35,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:35,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:28:35,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:28:35,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:28:35,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:28:35,791 INFO L87 Difference]: Start difference. First operand 33 states and 52 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:28:35,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:35,816 INFO L93 Difference]: Finished difference Result 33 states and 52 transitions. [2023-11-23 21:28:35,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:28:35,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-23 21:28:35,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:35,818 INFO L225 Difference]: With dead ends: 33 [2023-11-23 21:28:35,818 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:28:35,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:28:35,822 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:35,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:28:35,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:28:35,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:28:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:28:35,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:28:35,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2023-11-23 21:28:35,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:35,831 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:28:35,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:28:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:28:35,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:28:35,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-23 21:28:35,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-23 21:28:35,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-23 21:28:35,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-23 21:28:35,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-23 21:28:35,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-23 21:28:35,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:28:35,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:28:35,903 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:28:35,904 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-23 21:28:35,904 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-23 21:28:35,905 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 750) no Hoare annotation was computed. [2023-11-23 21:28:35,906 INFO L899 garLoopResultBuilder]: For program point L757-170(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,906 INFO L902 garLoopResultBuilder]: At program point L757-171(line 757) the Hoare annotation is: true [2023-11-23 21:28:35,911 INFO L899 garLoopResultBuilder]: For program point L757-172(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,911 INFO L899 garLoopResultBuilder]: For program point L757-173(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,912 INFO L902 garLoopResultBuilder]: At program point L757-174(line 757) the Hoare annotation is: true [2023-11-23 21:28:35,912 INFO L899 garLoopResultBuilder]: For program point L757-175(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,912 INFO L902 garLoopResultBuilder]: At program point L757-176(line 757) the Hoare annotation is: true [2023-11-23 21:28:35,912 INFO L899 garLoopResultBuilder]: For program point L757-178(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,913 INFO L899 garLoopResultBuilder]: For program point L757-180(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,913 INFO L895 garLoopResultBuilder]: At program point L757-182(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,913 INFO L899 garLoopResultBuilder]: For program point L757-183(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,913 INFO L899 garLoopResultBuilder]: For program point L757-184(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,914 INFO L895 garLoopResultBuilder]: At program point L757-186(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,914 INFO L899 garLoopResultBuilder]: For program point L757-187(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,914 INFO L899 garLoopResultBuilder]: For program point L730(line 730) no Hoare annotation was computed. [2023-11-23 21:28:35,915 INFO L899 garLoopResultBuilder]: For program point L757-188(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,915 INFO L895 garLoopResultBuilder]: At program point L757-189(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,915 INFO L899 garLoopResultBuilder]: For program point L757-190(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,915 INFO L899 garLoopResultBuilder]: For program point L757-193(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,916 INFO L895 garLoopResultBuilder]: At program point L757-194(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,916 INFO L899 garLoopResultBuilder]: For program point L757-202(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,916 INFO L895 garLoopResultBuilder]: At program point L757-203(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,916 INFO L899 garLoopResultBuilder]: For program point L757-210(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,917 INFO L899 garLoopResultBuilder]: For program point L757-212(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,917 INFO L895 garLoopResultBuilder]: At program point L757-214(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,917 INFO L899 garLoopResultBuilder]: For program point L757-215(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,917 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: false [2023-11-23 21:28:35,918 INFO L899 garLoopResultBuilder]: For program point L757-225(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,918 INFO L899 garLoopResultBuilder]: For program point L757-235(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,918 INFO L895 garLoopResultBuilder]: At program point L757-236(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,918 INFO L899 garLoopResultBuilder]: For program point L757-237(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,919 INFO L895 garLoopResultBuilder]: At program point L757-246(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,919 INFO L895 garLoopResultBuilder]: At program point L757-248(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,919 INFO L899 garLoopResultBuilder]: For program point L757-249(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,919 INFO L899 garLoopResultBuilder]: For program point L757-255(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,919 INFO L899 garLoopResultBuilder]: For program point L757-256(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,920 INFO L895 garLoopResultBuilder]: At program point L757-257(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,920 INFO L899 garLoopResultBuilder]: For program point L757-259(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,920 INFO L899 garLoopResultBuilder]: For program point L757-260(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,920 INFO L895 garLoopResultBuilder]: At program point L757-261(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,921 INFO L899 garLoopResultBuilder]: For program point L757-262(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,921 INFO L899 garLoopResultBuilder]: For program point L757-263(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,921 INFO L895 garLoopResultBuilder]: At program point L757-264(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,921 INFO L899 garLoopResultBuilder]: For program point L757-265(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,922 INFO L895 garLoopResultBuilder]: At program point L757-266(line 757) the Hoare annotation is: false [2023-11-23 21:28:35,922 INFO L899 garLoopResultBuilder]: For program point L757-267(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,922 INFO L899 garLoopResultBuilder]: For program point L757-268(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,922 INFO L902 garLoopResultBuilder]: At program point L757-269(line 757) the Hoare annotation is: true [2023-11-23 21:28:35,923 INFO L899 garLoopResultBuilder]: For program point L733(line 733) no Hoare annotation was computed. [2023-11-23 21:28:35,923 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: false [2023-11-23 21:28:35,923 INFO L899 garLoopResultBuilder]: For program point L736(line 736) no Hoare annotation was computed. [2023-11-23 21:28:35,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 750) no Hoare annotation was computed. [2023-11-23 21:28:35,924 INFO L895 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: false [2023-11-23 21:28:35,924 INFO L899 garLoopResultBuilder]: For program point L708(line 708) no Hoare annotation was computed. [2023-11-23 21:28:35,924 INFO L899 garLoopResultBuilder]: For program point L708-1(line 708) no Hoare annotation was computed. [2023-11-23 21:28:35,925 INFO L899 garLoopResultBuilder]: For program point L708-2(lines 708 739) no Hoare annotation was computed. [2023-11-23 21:28:35,925 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-23 21:28:35,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 708) no Hoare annotation was computed. [2023-11-23 21:28:35,925 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: false [2023-11-23 21:28:35,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 708) no Hoare annotation was computed. [2023-11-23 21:28:35,926 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-23 21:28:35,926 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: false [2023-11-23 21:28:35,926 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-23 21:28:35,927 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: false [2023-11-23 21:28:35,927 INFO L899 garLoopResultBuilder]: For program point L750-2(lines 750 758) no Hoare annotation was computed. [2023-11-23 21:28:35,927 INFO L899 garLoopResultBuilder]: For program point L750-3(line 750) no Hoare annotation was computed. [2023-11-23 21:28:35,927 INFO L899 garLoopResultBuilder]: For program point L750-4(line 750) no Hoare annotation was computed. [2023-11-23 21:28:35,928 INFO L895 garLoopResultBuilder]: At program point L750-5(lines 750 758) the Hoare annotation is: (= |ULTIMATE.start_main_~i~0#1| 0) [2023-11-23 21:28:35,928 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-23 21:28:35,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:28:35,929 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: false [2023-11-23 21:28:35,929 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-23 21:28:35,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 756) no Hoare annotation was computed. [2023-11-23 21:28:35,929 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: false [2023-11-23 21:28:35,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 756) no Hoare annotation was computed. [2023-11-23 21:28:35,930 INFO L899 garLoopResultBuilder]: For program point L756(line 756) no Hoare annotation was computed. [2023-11-23 21:28:35,930 INFO L899 garLoopResultBuilder]: For program point L756-1(line 756) no Hoare annotation was computed. [2023-11-23 21:28:35,930 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:28:35,931 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-11-23 21:28:35,931 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: false [2023-11-23 21:28:35,931 INFO L895 garLoopResultBuilder]: At program point L759-3(lines 759 761) the Hoare annotation is: false [2023-11-23 21:28:35,931 INFO L899 garLoopResultBuilder]: For program point L757-68(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,932 INFO L902 garLoopResultBuilder]: At program point L757-69(line 757) the Hoare annotation is: true [2023-11-23 21:28:35,932 INFO L899 garLoopResultBuilder]: For program point L757-70(line 757) no Hoare annotation was computed. [2023-11-23 21:28:35,932 INFO L902 garLoopResultBuilder]: At program point L757-71(line 757) the Hoare annotation is: true [2023-11-23 21:28:35,933 INFO L899 garLoopResultBuilder]: For program point L727(line 727) no Hoare annotation was computed. [2023-11-23 21:28:35,933 INFO L895 garLoopResultBuilder]: At program point L728(line 728) the Hoare annotation is: false [2023-11-23 21:28:35,933 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-23 21:28:35,933 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-23 21:28:35,938 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:28:35,941 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:28:35,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:28:35 BoogieIcfgContainer [2023-11-23 21:28:35,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:28:35,958 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:28:35,958 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:28:35,958 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:28:35,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:30" (3/4) ... [2023-11-23 21:28:35,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:28:35,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 21:28:35,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 21:28:35,987 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 136 nodes and edges [2023-11-23 21:28:35,988 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-23 21:28:35,990 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 21:28:35,992 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:28:36,190 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:28:36,191 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:28:36,191 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:28:36,192 INFO L158 Benchmark]: Toolchain (without parser) took 9271.40ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 103.6MB in the beginning and 55.1MB in the end (delta: 48.5MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2023-11-23 21:28:36,193 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:36,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 858.69ms. Allocated memory is still 148.9MB. Free memory was 103.2MB in the beginning and 95.5MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:28:36,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.89ms. Allocated memory is still 148.9MB. Free memory was 95.5MB in the beginning and 89.6MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:28:36,194 INFO L158 Benchmark]: Boogie Preprocessor took 119.60ms. Allocated memory is still 148.9MB. Free memory was 89.6MB in the beginning and 83.8MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:28:36,195 INFO L158 Benchmark]: RCFGBuilder took 2896.17ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 83.8MB in the beginning and 107.5MB in the end (delta: -23.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2023-11-23 21:28:36,195 INFO L158 Benchmark]: TraceAbstraction took 5026.55ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 65.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 21:28:36,196 INFO L158 Benchmark]: Witness Printer took 233.48ms. Allocated memory is still 180.4MB. Free memory was 65.5MB in the beginning and 55.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:28:36,198 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 858.69ms. Allocated memory is still 148.9MB. Free memory was 103.2MB in the beginning and 95.5MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.89ms. Allocated memory is still 148.9MB. Free memory was 95.5MB in the beginning and 89.6MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.60ms. Allocated memory is still 148.9MB. Free memory was 89.6MB in the beginning and 83.8MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2896.17ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 83.8MB in the beginning and 107.5MB in the end (delta: -23.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5026.55ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 65.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 233.48ms. Allocated memory is still 180.4MB. Free memory was 65.5MB in the beginning and 55.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 708]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 708]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 93 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 54 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 57 PreInvPairs, 64 NumberOfFragments, 36 HoareAnnotationTreeSize, 57 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (i == 0) RESULT: Ultimate proved your program to be correct! [2023-11-23 21:28:36,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56691ff5-df63-411d-bb2f-931ca0e68457/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE