./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --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 baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:04:52,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:04:52,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:04:52,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:04:52,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:04:52,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:04:52,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:04:52,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:04:52,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:04:52,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:04:52,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:04:52,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:04:52,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:04:52,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:04:52,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:04:52,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:04:52,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:04:52,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:04:52,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:04:52,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:04:52,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:04:52,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:04:52,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:04:52,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:04:52,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:04:52,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:04:52,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:04:52,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:04:52,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:04:52,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:04:52,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:04:52,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:04:52,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:04:52,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:04:52,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:04:52,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:04:52,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:04:52,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:04:52,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:04:52,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:04:52,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:04:52,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 04:04:52,959 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:04:52,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:04:52,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:04:52,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:04:52,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:04:52,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:04:52,962 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:04:52,963 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:04:52,963 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:04:52,963 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:04:52,964 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:04:52,965 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:04:52,965 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:04:52,965 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:04:52,965 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:04:52,966 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:04:52,966 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:04:52,966 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:04:52,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:04:52,967 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 04:04:52,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:04:52,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 04:04:52,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:04:52,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:04:52,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:04:52,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:04:52,970 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 04:04:52,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:04:52,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:04:52,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:04:52,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:04:52,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:04:52,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:04:52,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:04:52,973 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:04:52,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:04:52,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:04:52,974 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:04:52,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:04:52,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:04:52,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:04:52,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 [2022-11-03 04:04:53,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:04:53,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:04:53,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:04:53,381 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:04:53,381 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:04:53,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2022-11-03 04:04:53,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/data/ec9ff5c8a/ca480f328be940e486c1b906e4e3ff1e/FLAG7ed0a3450 [2022-11-03 04:04:54,073 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:04:54,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2022-11-03 04:04:54,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/data/ec9ff5c8a/ca480f328be940e486c1b906e4e3ff1e/FLAG7ed0a3450 [2022-11-03 04:04:54,400 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/data/ec9ff5c8a/ca480f328be940e486c1b906e4e3ff1e [2022-11-03 04:04:54,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:04:54,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:04:54,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:04:54,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:04:54,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:04:54,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:54,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369ca5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54, skipping insertion in model container [2022-11-03 04:04:54,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:54,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:04:54,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:04:54,792 WARN L230 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_c588687c-e8d6-4412-b3d9-c7d7049688ae/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2022-11-03 04:04:54,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:04:54,806 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:04:54,920 WARN L230 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_c588687c-e8d6-4412-b3d9-c7d7049688ae/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2022-11-03 04:04:54,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:04:54,950 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:04:54,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54 WrapperNode [2022-11-03 04:04:54,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:04:54,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:04:54,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:04:54,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:04:54,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:54,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:55,023 INFO L138 Inliner]: procedures = 29, calls = 156, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 448 [2022-11-03 04:04:55,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:04:55,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:04:55,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:04:55,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:04:55,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:55,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:55,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:55,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:55,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:55,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:55,067 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:55,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:55,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:04:55,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:04:55,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:04:55,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:04:55,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54" (1/1) ... [2022-11-03 04:04:55,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:04:55,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:04:55,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:04:55,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:04:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2022-11-03 04:04:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2022-11-03 04:04:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:04:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:04:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:04:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:04:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:04:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:04:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:04:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-11-03 04:04:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:04:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:04:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:04:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:04:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-11-03 04:04:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-11-03 04:04:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:04:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2022-11-03 04:04:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2022-11-03 04:04:55,373 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:04:55,375 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:04:56,156 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:04:56,502 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:04:56,502 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-03 04:04:56,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:04:56 BoogieIcfgContainer [2022-11-03 04:04:56,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:04:56,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:04:56,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:04:56,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:04:56,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:04:54" (1/3) ... [2022-11-03 04:04:56,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785aa7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:04:56, skipping insertion in model container [2022-11-03 04:04:56,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:54" (2/3) ... [2022-11-03 04:04:56,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785aa7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:04:56, skipping insertion in model container [2022-11-03 04:04:56,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:04:56" (3/3) ... [2022-11-03 04:04:56,522 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2022-11-03 04:04:56,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:04:56,554 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:04:56,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:04:56,659 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=LoopsAndPotentialCycles, 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;@3c32166b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:04:56,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:04:56,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 48 states have (on average 1.5833333333333333) internal successors, (76), 49 states have internal predecessors, (76), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-03 04:04:56,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 04:04:56,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:56,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:04:56,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:56,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:56,691 INFO L85 PathProgramCache]: Analyzing trace with hash 948546063, now seen corresponding path program 1 times [2022-11-03 04:04:56,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:56,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196821441] [2022-11-03 04:04:56,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:56,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:04:57,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:57,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196821441] [2022-11-03 04:04:57,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196821441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:57,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:57,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:04:57,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361689508] [2022-11-03 04:04:57,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:57,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:04:57,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:57,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:04:57,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:04:57,367 INFO L87 Difference]: Start difference. First operand has 61 states, 48 states have (on average 1.5833333333333333) internal successors, (76), 49 states have internal predecessors, (76), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:04:57,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:57,565 INFO L93 Difference]: Finished difference Result 124 states and 193 transitions. [2022-11-03 04:04:57,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:04:57,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-03 04:04:57,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:57,581 INFO L225 Difference]: With dead ends: 124 [2022-11-03 04:04:57,581 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 04:04:57,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:04:57,594 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 7 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:57,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 154 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:04:57,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 04:04:57,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 04:04:57,621 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) [2022-11-03 04:04:57,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 04:04:57,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-03 04:04:57,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:57,624 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 04:04:57,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:04:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 04:04:57,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 04:04:57,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 04:04:57,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:04:57,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 04:04:57,680 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_113EXIT(lines 305 324) no Hoare annotation was computed. [2022-11-03 04:04:57,680 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 320) no Hoare annotation was computed. [2022-11-03 04:04:57,680 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 294) no Hoare annotation was computed. [2022-11-03 04:04:57,680 INFO L899 garLoopResultBuilder]: For program point L313-2(lines 313 320) no Hoare annotation was computed. [2022-11-03 04:04:57,681 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 312) no Hoare annotation was computed. [2022-11-03 04:04:57,681 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-11-03 04:04:57,681 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-11-03 04:04:57,681 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 490) no Hoare annotation was computed. [2022-11-03 04:04:57,682 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION(line 489) no Hoare annotation was computed. [2022-11-03 04:04:57,682 INFO L895 garLoopResultBuilder]: At program point L487-2(lines 485 492) the Hoare annotation is: (= |Id_MCDC_113___VERIFIER_assert_~Id_MCDC_121#1| 1) [2022-11-03 04:04:57,682 INFO L902 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: true [2022-11-03 04:04:57,683 INFO L899 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2022-11-03 04:04:57,683 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2022-11-03 04:04:57,683 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_113FINAL(lines 305 324) no Hoare annotation was computed. [2022-11-03 04:04:57,683 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 294) no Hoare annotation was computed. [2022-11-03 04:04:57,684 INFO L902 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: true [2022-11-03 04:04:57,684 INFO L899 garLoopResultBuilder]: For program point L315-1(line 315) no Hoare annotation was computed. [2022-11-03 04:04:57,684 INFO L902 garLoopResultBuilder]: At program point L303(lines 274 304) the Hoare annotation is: true [2022-11-03 04:04:57,684 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-11-03 04:04:57,684 INFO L902 garLoopResultBuilder]: At program point L295-1(lines 275 304) the Hoare annotation is: true [2022-11-03 04:04:57,685 INFO L899 garLoopResultBuilder]: For program point L333-1(lines 333 340) no Hoare annotation was computed. [2022-11-03 04:04:57,685 INFO L902 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2022-11-03 04:04:57,685 INFO L899 garLoopResultBuilder]: For program point L333-4(lines 333 340) no Hoare annotation was computed. [2022-11-03 04:04:57,685 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 04:04:57,686 INFO L902 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2022-11-03 04:04:57,686 INFO L902 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: true [2022-11-03 04:04:57,686 INFO L902 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2022-11-03 04:04:57,686 INFO L902 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2022-11-03 04:04:57,687 INFO L899 garLoopResultBuilder]: For program point L377-4(lines 357 424) no Hoare annotation was computed. [2022-11-03 04:04:57,687 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 339) no Hoare annotation was computed. [2022-11-03 04:04:57,687 INFO L902 garLoopResultBuilder]: At program point L452(lines 452 484) the Hoare annotation is: true [2022-11-03 04:04:57,687 INFO L902 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2022-11-03 04:04:57,688 INFO L899 garLoopResultBuilder]: For program point L386-1(lines 386 389) no Hoare annotation was computed. [2022-11-03 04:04:57,688 INFO L902 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: true [2022-11-03 04:04:57,688 INFO L899 garLoopResultBuilder]: For program point L403-1(lines 403 406) no Hoare annotation was computed. [2022-11-03 04:04:57,688 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 332) no Hoare annotation was computed. [2022-11-03 04:04:57,688 INFO L902 garLoopResultBuilder]: At program point L354(lines 325 355) the Hoare annotation is: true [2022-11-03 04:04:57,689 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 481) no Hoare annotation was computed. [2022-11-03 04:04:57,689 INFO L902 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: true [2022-11-03 04:04:57,689 INFO L899 garLoopResultBuilder]: For program point L396-1(lines 396 399) no Hoare annotation was computed. [2022-11-03 04:04:57,689 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 04:04:57,689 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 417) no Hoare annotation was computed. [2022-11-03 04:04:57,690 INFO L899 garLoopResultBuilder]: For program point L381(lines 381 422) no Hoare annotation was computed. [2022-11-03 04:04:57,690 INFO L902 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: true [2022-11-03 04:04:57,690 INFO L902 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: true [2022-11-03 04:04:57,690 INFO L902 garLoopResultBuilder]: At program point L423(lines 356 424) the Hoare annotation is: true [2022-11-03 04:04:57,690 INFO L902 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: true [2022-11-03 04:04:57,691 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 390 393) no Hoare annotation was computed. [2022-11-03 04:04:57,691 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-11-03 04:04:57,691 INFO L902 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-11-03 04:04:57,691 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_107ENTRY(lines 218 273) the Hoare annotation is: true [2022-11-03 04:04:57,692 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 257) no Hoare annotation was computed. [2022-11-03 04:04:57,692 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_107FINAL(lines 218 273) no Hoare annotation was computed. [2022-11-03 04:04:57,692 INFO L899 garLoopResultBuilder]: For program point L251-1(lines 251 258) no Hoare annotation was computed. [2022-11-03 04:04:57,692 INFO L902 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2022-11-03 04:04:57,692 INFO L899 garLoopResultBuilder]: For program point L251-4(lines 251 258) no Hoare annotation was computed. [2022-11-03 04:04:57,693 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 233) no Hoare annotation was computed. [2022-11-03 04:04:57,693 INFO L902 garLoopResultBuilder]: At program point L227-2(lines 227 233) the Hoare annotation is: true [2022-11-03 04:04:57,693 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 226) no Hoare annotation was computed. [2022-11-03 04:04:57,693 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-11-03 04:04:57,693 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_107EXIT(lines 218 273) no Hoare annotation was computed. [2022-11-03 04:04:57,698 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 04:04:57,701 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 04:04:57,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:04:57 BoogieIcfgContainer [2022-11-03 04:04:57,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 04:04:57,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 04:04:57,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 04:04:57,720 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 04:04:57,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:04:56" (3/4) ... [2022-11-03 04:04:57,724 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 04:04:57,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_113 [2022-11-03 04:04:57,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2022-11-03 04:04:57,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_107 [2022-11-03 04:04:57,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2022-11-03 04:04:57,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-03 04:04:57,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-03 04:04:57,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 04:04:57,751 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 04:04:57,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 04:04:57,853 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 04:04:57,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 04:04:57,854 INFO L158 Benchmark]: Toolchain (without parser) took 3449.42ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 94.4MB in the beginning and 120.2MB in the end (delta: -25.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-11-03 04:04:57,855 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:04:57,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.06ms. Allocated memory is still 132.1MB. Free memory was 94.2MB in the beginning and 98.1MB in the end (delta: -4.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 04:04:57,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.34ms. Allocated memory is still 132.1MB. Free memory was 98.1MB in the beginning and 94.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 04:04:57,856 INFO L158 Benchmark]: Boogie Preprocessor took 50.01ms. Allocated memory is still 132.1MB. Free memory was 94.5MB in the beginning and 91.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 04:04:57,856 INFO L158 Benchmark]: RCFGBuilder took 1431.07ms. Allocated memory is still 132.1MB. Free memory was 91.3MB in the beginning and 83.0MB in the end (delta: 8.4MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2022-11-03 04:04:57,857 INFO L158 Benchmark]: TraceAbstraction took 1210.75ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 82.3MB in the beginning and 128.6MB in the end (delta: -46.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:04:57,857 INFO L158 Benchmark]: Witness Printer took 134.44ms. Allocated memory is still 172.0MB. Free memory was 128.6MB in the beginning and 120.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 04:04:57,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.06ms. Allocated memory is still 132.1MB. Free memory was 94.2MB in the beginning and 98.1MB in the end (delta: -4.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.34ms. Allocated memory is still 132.1MB. Free memory was 98.1MB in the beginning and 94.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.01ms. Allocated memory is still 132.1MB. Free memory was 94.5MB in the beginning and 91.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1431.07ms. Allocated memory is still 132.1MB. Free memory was 91.3MB in the beginning and 83.0MB in the end (delta: 8.4MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1210.75ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 82.3MB in the beginning and 128.6MB in the end (delta: -46.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 134.44ms. Allocated memory is still 172.0MB. Free memory was 128.6MB in the beginning and 120.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 489]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 154 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 81 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 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=61occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 72 PreInvPairs, 103 NumberOfFragments, 27 HoareAnnotationTreeSize, 72 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 1 specifications checked. All of them hold - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: Id_MCDC_121 == 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-03 04:04:57,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c588687c-e8d6-4412-b3d9-c7d7049688ae/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE