./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V --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 a23a17038467a4b0973e39785173179a6b9a1bb4d9769749cbca92c19670a850 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:51:56,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:51:56,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:51:56,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:51:56,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:51:56,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:51:56,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:51:56,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:51:56,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:51:56,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:51:56,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:51:56,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:51:56,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:51:56,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:51:56,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:51:56,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:51:56,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:51:56,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:51:56,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:51:56,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:51:56,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:51:56,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:51:56,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:51:56,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:51:56,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:51:56,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:51:56,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:51:56,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:51:56,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:51:56,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:51:56,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:51:56,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:51:56,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:51:56,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:51:56,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:51:56,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:51:56,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:51:56,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:51:56,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:51:56,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:51:56,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:51:56,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:51:56,308 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:51:56,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:51:56,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:51:56,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:51:56,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:51:56,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:51:56,310 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:51:56,311 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:51:56,311 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:51:56,311 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:51:56,311 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:51:56,312 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:51:56,312 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:51:56,312 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:51:56,312 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:51:56,313 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:51:56,313 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:51:56,313 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:51:56,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:51:56,314 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:51:56,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:51:56,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:51:56,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:51:56,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:51:56,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:51:56,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:51:56,315 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:51:56,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:51:56,316 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:51:56,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:51:56,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:51:56,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:51:56,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:51:56,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:51:56,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:51:56,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:51:56,318 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:51:56,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:51:56,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:51:56,318 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:51:56,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:51:56,319 INFO L138 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_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a23a17038467a4b0973e39785173179a6b9a1bb4d9769749cbca92c19670a850 [2021-11-23 03:51:56,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:51:56,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:51:56,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:51:56,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:51:56,583 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:51:56,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2021-11-23 03:51:56,671 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/data/dd9e7ce0c/22108e4d4c374cb4a5b3cded11bf5435/FLAG20781dbee [2021-11-23 03:51:57,155 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:51:57,156 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2021-11-23 03:51:57,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/data/dd9e7ce0c/22108e4d4c374cb4a5b3cded11bf5435/FLAG20781dbee [2021-11-23 03:51:57,501 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/data/dd9e7ce0c/22108e4d4c374cb4a5b3cded11bf5435 [2021-11-23 03:51:57,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:51:57,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:51:57,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:51:57,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:51:57,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:51:57,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:57" (1/1) ... [2021-11-23 03:51:57,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e37805d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57, skipping insertion in model container [2021-11-23 03:51:57,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:57" (1/1) ... [2021-11-23 03:51:57,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:51:57,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:51:57,853 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_2e2ad5c9-c94d-4650-9130-feb9987a78a8/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2021-11-23 03:51:57,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:51:57,867 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:51:57,934 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_2e2ad5c9-c94d-4650-9130-feb9987a78a8/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2021-11-23 03:51:57,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:51:57,953 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:51:57,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57 WrapperNode [2021-11-23 03:51:57,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:51:57,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:51:57,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:51:57,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:51:57,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2021-11-23 03:51:57,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2021-11-23 03:51:58,028 INFO L137 Inliner]: procedures = 29, calls = 156, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 447 [2021-11-23 03:51:58,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:51:58,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:51:58,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:51:58,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:51:58,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2021-11-23 03:51:58,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2021-11-23 03:51:58,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2021-11-23 03:51:58,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2021-11-23 03:51:58,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2021-11-23 03:51:58,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2021-11-23 03:51:58,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2021-11-23 03:51:58,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:51:58,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:51:58,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:51:58,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:51:58,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (1/1) ... [2021-11-23 03:51:58,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:51:58,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:51:58,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:51:58,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:51:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:51:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:51:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2021-11-23 03:51:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2021-11-23 03:51:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:51:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:51:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:51:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:51:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:51:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-11-23 03:51:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:51:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2021-11-23 03:51:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2021-11-23 03:51:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:51:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:51:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:51:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2021-11-23 03:51:58,216 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2021-11-23 03:51:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:51:58,438 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:51:58,440 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:51:59,047 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:51:59,301 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:51:59,306 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-23 03:51:59,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:59 BoogieIcfgContainer [2021-11-23 03:51:59,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:51:59,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:51:59,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:51:59,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:51:59,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:51:57" (1/3) ... [2021-11-23 03:51:59,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728c399d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:59, skipping insertion in model container [2021-11-23 03:51:59,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:57" (2/3) ... [2021-11-23 03:51:59,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728c399d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:59, skipping insertion in model container [2021-11-23 03:51:59,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:59" (3/3) ... [2021-11-23 03:51:59,320 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2021-11-23 03:51:59,335 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:51:59,335 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:51:59,381 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:51:59,387 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:51:59,387 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:51:59,406 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) [2021-11-23 03:51:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 03:51:59,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:51:59,414 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:51:59,414 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:51:59,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:51:59,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1739965180, now seen corresponding path program 1 times [2021-11-23 03:51:59,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:51:59,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293413560] [2021-11-23 03:51:59,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:51:59,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:51:59,573 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:51:59,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [812642352] [2021-11-23 03:51:59,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:51:59,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:51:59,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:51:59,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:51:59,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:51:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:51:59,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:51:59,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:51:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:51:59,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:51:59,976 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:51:59,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293413560] [2021-11-23 03:51:59,977 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:51:59,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812642352] [2021-11-23 03:51:59,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812642352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:51:59,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:51:59,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:51:59,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757352621] [2021-11-23 03:51:59,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:51:59,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:51:59,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:52:00,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:52:00,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:52:00,029 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) [2021-11-23 03:52:00,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:52:00,161 INFO L93 Difference]: Finished difference Result 124 states and 193 transitions. [2021-11-23 03:52:00,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:52:00,163 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 [2021-11-23 03:52:00,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:52:00,169 INFO L225 Difference]: With dead ends: 124 [2021-11-23 03:52:00,169 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 03:52:00,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:52:00,177 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 7 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 155 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 [2021-11-23 03:52:00,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 155 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:52:00,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 03:52:00,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 03:52:00,201 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) [2021-11-23 03:52:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 03:52:00,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-11-23 03:52:00,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:52:00,203 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 03:52:00,203 INFO L471 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) [2021-11-23 03:52:00,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 03:52:00,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 03:52:00,206 INFO L764 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 03:52:00,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:52:00,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 03:52:00,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 03:52:00,477 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2021-11-23 03:52:00,477 INFO L858 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2021-11-23 03:52:00,478 INFO L858 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2021-11-23 03:52:00,478 INFO L861 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2021-11-23 03:52:00,478 INFO L858 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2021-11-23 03:52:00,479 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2021-11-23 03:52:00,480 INFO L861 garLoopResultBuilder]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2021-11-23 03:52:00,481 INFO L858 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2021-11-23 03:52:00,482 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2021-11-23 03:52:00,483 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2021-11-23 03:52:00,483 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-11-23 03:52:00,483 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2021-11-23 03:52:00,484 INFO L854 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (<= 1 |Id_MCDC_95___VERIFIER_assert_~Id_MCDC_103#1|) [2021-11-23 03:52:00,485 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2021-11-23 03:52:00,485 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2021-11-23 03:52:00,486 INFO L858 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2021-11-23 03:52:00,486 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2021-11-23 03:52:00,487 INFO L861 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2021-11-23 03:52:00,487 INFO L858 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2021-11-23 03:52:00,488 INFO L861 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2021-11-23 03:52:00,490 INFO L858 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2021-11-23 03:52:00,491 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2021-11-23 03:52:00,491 INFO L858 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2021-11-23 03:52:00,491 INFO L858 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2021-11-23 03:52:00,492 INFO L858 garLoopResultBuilder]: For program point Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2021-11-23 03:52:00,492 INFO L858 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2021-11-23 03:52:00,492 INFO L861 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2021-11-23 03:52:00,493 INFO L858 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2021-11-23 03:52:00,494 INFO L861 garLoopResultBuilder]: At program point L278(lines 249 279) the Hoare annotation is: true [2021-11-23 03:52:00,494 INFO L858 garLoopResultBuilder]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2021-11-23 03:52:00,494 INFO L858 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2021-11-23 03:52:00,494 INFO L858 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2021-11-23 03:52:00,495 INFO L861 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2021-11-23 03:52:00,495 INFO L858 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2021-11-23 03:52:00,495 INFO L861 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2021-11-23 03:52:00,495 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 03:52:00,496 INFO L861 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: true [2021-11-23 03:52:00,496 INFO L861 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2021-11-23 03:52:00,496 INFO L861 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2021-11-23 03:52:00,496 INFO L858 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2021-11-23 03:52:00,496 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2021-11-23 03:52:00,498 INFO L861 garLoopResultBuilder]: At program point L427(lines 427 458) the Hoare annotation is: true [2021-11-23 03:52:00,498 INFO L861 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2021-11-23 03:52:00,499 INFO L858 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2021-11-23 03:52:00,499 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2021-11-23 03:52:00,499 INFO L861 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2021-11-23 03:52:00,499 INFO L858 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2021-11-23 03:52:00,501 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2021-11-23 03:52:00,501 INFO L861 garLoopResultBuilder]: At program point L329(lines 300 330) the Hoare annotation is: true [2021-11-23 03:52:00,502 INFO L861 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2021-11-23 03:52:00,502 INFO L858 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2021-11-23 03:52:00,502 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 03:52:00,502 INFO L858 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2021-11-23 03:52:00,502 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2021-11-23 03:52:00,503 INFO L861 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2021-11-23 03:52:00,504 INFO L861 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2021-11-23 03:52:00,504 INFO L861 garLoopResultBuilder]: At program point L398(lines 331 399) the Hoare annotation is: true [2021-11-23 03:52:00,504 INFO L861 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2021-11-23 03:52:00,505 INFO L858 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2021-11-23 03:52:00,505 INFO L858 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2021-11-23 03:52:00,505 INFO L861 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2021-11-23 03:52:00,509 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-23 03:52:00,511 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:52:00,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:52:00 BoogieIcfgContainer [2021-11-23 03:52:00,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:52:00,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:52:00,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:52:00,538 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:52:00,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:59" (3/4) ... [2021-11-23 03:52:00,542 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 03:52:00,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2021-11-23 03:52:00,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2021-11-23 03:52:00,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2021-11-23 03:52:00,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 83 nodes and edges [2021-11-23 03:52:00,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-23 03:52:00,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 03:52:00,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 03:52:00,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:52:00,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:52:00,695 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 03:52:00,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:52:00,696 INFO L158 Benchmark]: Toolchain (without parser) took 3190.76ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 79.9MB in the beginning and 96.0MB in the end (delta: -16.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-11-23 03:52:00,697 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:52:00,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.61ms. Allocated memory is still 115.3MB. Free memory was 79.6MB in the beginning and 82.5MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 03:52:00,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.66ms. Allocated memory is still 115.3MB. Free memory was 82.5MB in the beginning and 79.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:52:00,698 INFO L158 Benchmark]: Boogie Preprocessor took 89.35ms. Allocated memory is still 115.3MB. Free memory was 79.2MB in the beginning and 75.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 03:52:00,699 INFO L158 Benchmark]: RCFGBuilder took 1189.92ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 75.9MB in the beginning and 105.0MB in the end (delta: -29.1MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2021-11-23 03:52:00,699 INFO L158 Benchmark]: TraceAbstraction took 1226.90ms. Allocated memory is still 148.9MB. Free memory was 104.2MB in the beginning and 108.6MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:52:00,699 INFO L158 Benchmark]: Witness Printer took 157.72ms. Allocated memory is still 148.9MB. Free memory was 108.6MB in the beginning and 96.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 03:52:00,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.61ms. Allocated memory is still 115.3MB. Free memory was 79.6MB in the beginning and 82.5MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.66ms. Allocated memory is still 115.3MB. Free memory was 82.5MB in the beginning and 79.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.35ms. Allocated memory is still 115.3MB. Free memory was 79.2MB in the beginning and 75.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1189.92ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 75.9MB in the beginning and 105.0MB in the end (delta: -29.1MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1226.90ms. Allocated memory is still 148.9MB. Free memory was 104.2MB in the beginning and 108.6MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 157.72ms. Allocated memory is still 148.9MB. Free memory was 108.6MB in the beginning and 96.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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: 463]: 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: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 0.0s 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, 82 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 18 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, 24 LocationsWithAnnotation, 68 PreInvPairs, 95 NumberOfFragments, 26 HoareAnnotationTreeSize, 68 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 1 NumberOfNonLiveVariables, 327 ConjunctsInSsa, 3 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: 300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: 1 <= Id_MCDC_103 RESULT: Ultimate proved your program to be correct! [2021-11-23 03:52:00,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e2ad5c9-c94d-4650-9130-feb9987a78a8/bin/utaipan-EQgc7hIp5V/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