./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9 --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 cd6b300b335accb35f3a48bfd0f387908f589dfb4e32ea4d19ee0b855e6625b4 --- 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-6b4ec56 [2022-11-20 19:50:36,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:50:36,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:50:36,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:50:36,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:50:36,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:50:36,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:50:36,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:50:36,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:50:36,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:50:36,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:50:36,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:50:36,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:50:36,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:50:36,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:50:36,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:50:36,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:50:36,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:50:36,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:50:36,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:50:36,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:50:36,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:50:36,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:50:36,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:50:36,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:50:36,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:50:36,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:50:36,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:50:36,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:50:36,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:50:36,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:50:36,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:50:36,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:50:36,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:50:36,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:50:36,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:50:36,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:50:36,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:50:36,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:50:36,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:50:36,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:50:36,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 19:50:36,208 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:50:36,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:50:36,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:50:36,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:50:36,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:50:36,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:50:36,211 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:50:36,211 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:50:36,211 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:50:36,211 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:50:36,212 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:50:36,212 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:50:36,212 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:50:36,213 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:50:36,213 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:50:36,213 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:50:36,213 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:50:36,213 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:50:36,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:50:36,214 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:50:36,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:50:36,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:50:36,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:50:36,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:50:36,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:50:36,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:50:36,216 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:50:36,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:50:36,216 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:50:36,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:50:36,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:50:36,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:50:36,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:50:36,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:50:36,218 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:50:36,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:50:36,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:50:36,219 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:50:36,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:50:36,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:50:36,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:50:36,219 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_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6b300b335accb35f3a48bfd0f387908f589dfb4e32ea4d19ee0b855e6625b4 [2022-11-20 19:50:36,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:50:36,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:50:36,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:50:36,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:50:36,564 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:50:36,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i [2022-11-20 19:50:39,559 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:50:40,103 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:50:40,104 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i [2022-11-20 19:50:40,138 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/data/e3259deea/0c3c50cc1c684f4aa66784ae57fb2e86/FLAG293974193 [2022-11-20 19:50:40,162 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/data/e3259deea/0c3c50cc1c684f4aa66784ae57fb2e86 [2022-11-20 19:50:40,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:50:40,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:50:40,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:50:40,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:50:40,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:50:40,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:50:40" (1/1) ... [2022-11-20 19:50:40,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e308e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:40, skipping insertion in model container [2022-11-20 19:50:40,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:50:40" (1/1) ... [2022-11-20 19:50:40,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:50:40,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:50:40,528 WARN L237 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_91b78966-1f3a-438b-b7a7-93034b8204ae/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i[457,470] [2022-11-20 19:50:41,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:50:41,935 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:50:41,951 WARN L237 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_91b78966-1f3a-438b-b7a7-93034b8204ae/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i[457,470] [2022-11-20 19:50:42,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:50:42,398 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:50:42,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42 WrapperNode [2022-11-20 19:50:42,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:50:42,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:50:42,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:50:42,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:50:42,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42" (1/1) ... [2022-11-20 19:50:42,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42" (1/1) ... [2022-11-20 19:50:42,579 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1009 [2022-11-20 19:50:42,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:50:42,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:50:42,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:50:42,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:50:42,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42" (1/1) ... [2022-11-20 19:50:42,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42" (1/1) ... [2022-11-20 19:50:42,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42" (1/1) ... [2022-11-20 19:50:42,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42" (1/1) ... [2022-11-20 19:50:42,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42" (1/1) ... [2022-11-20 19:50:42,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42" (1/1) ... [2022-11-20 19:50:42,678 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42" (1/1) ... [2022-11-20 19:50:42,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42" (1/1) ... [2022-11-20 19:50:42,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:50:42,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:50:42,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:50:42,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:50:42,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42" (1/1) ... [2022-11-20 19:50:42,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:50:42,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:50:42,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:50:42,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:50:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-20 19:50:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-20 19:50:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 19:50:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-20 19:50:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 19:50:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 19:50:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:50:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 19:50:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 19:50:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 19:50:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-20 19:50:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-20 19:50:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-20 19:50:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 19:50:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 19:50:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 19:50:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-20 19:50:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-20 19:50:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:50:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 19:50:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 19:50:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 19:50:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-20 19:50:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-20 19:50:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-20 19:50:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-20 19:50:42,829 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-20 19:50:42,830 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-20 19:50:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:50:42,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:50:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-20 19:50:42,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-20 19:50:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 19:50:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 19:50:42,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 19:50:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-20 19:50:42,832 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-20 19:50:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:50:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 19:50:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-20 19:50:42,833 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-20 19:50:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-20 19:50:42,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-20 19:50:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-20 19:50:42,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-20 19:50:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 19:50:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-20 19:50:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-20 19:50:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-20 19:50:42,836 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-20 19:50:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 19:50:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 19:50:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-20 19:50:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-20 19:50:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-20 19:50:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-20 19:50:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-20 19:50:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-20 19:50:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 19:50:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-20 19:50:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-20 19:50:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-20 19:50:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-20 19:50:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-20 19:50:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-20 19:50:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 19:50:42,840 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 19:50:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 19:50:42,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 19:50:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:50:43,338 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:50:43,342 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:50:45,666 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:50:46,031 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:50:46,032 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 19:50:46,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:50:46 BoogieIcfgContainer [2022-11-20 19:50:46,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:50:46,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:50:46,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:50:46,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:50:46,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:50:40" (1/3) ... [2022-11-20 19:50:46,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454d8756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:50:46, skipping insertion in model container [2022-11-20 19:50:46,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:50:42" (2/3) ... [2022-11-20 19:50:46,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454d8756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:50:46, skipping insertion in model container [2022-11-20 19:50:46,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:50:46" (3/3) ... [2022-11-20 19:50:46,044 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw_p.i [2022-11-20 19:50:46,063 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:50:46,063 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 19:50:46,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454d8756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:50:46, skipping insertion in model container [2022-11-20 19:50:46,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:50:46,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:50:46,066 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:50:46,066 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:50:46,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:50:46" (3/3) ... [2022-11-20 19:50:46,070 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 19:50:46,076 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2022-11-20 19:50:46,076 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2022-11-20 19:50:46,076 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2022-11-20 19:50:46,076 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2022-11-20 19:50:46,076 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2022-11-20 19:50:46,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2022-11-20 19:50:46,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-11-20 19:50:46,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2022-11-20 19:50:46,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2022-11-20 19:50:46,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 19:50:46,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-20 19:50:46,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2022-11-20 19:50:46,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2022-11-20 19:50:46,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2022-11-20 19:50:46,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2022-11-20 19:50:46,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-20 19:50:46,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2022-11-20 19:50:46,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2022-11-20 19:50:46,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2022-11-20 19:50:46,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2022-11-20 19:50:46,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2022-11-20 19:50:46,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2022-11-20 19:50:46,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2022-11-20 19:50:46,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2022-11-20 19:50:46,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-20 19:50:46,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2022-11-20 19:50:46,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-20 19:50:46,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2022-11-20 19:50:46,094 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 210 nodes and edges [2022-11-20 19:50:46,096 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2022-11-20 19:50:46,098 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-20 19:50:46,099 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 19:50:46,101 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 19:50:46,103 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 19:50:46,243 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 19:50:46,243 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:50:46,245 INFO L158 Benchmark]: Toolchain (without parser) took 6077.61ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 103.1MB in the beginning and 89.1MB in the end (delta: 14.0MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2022-11-20 19:50:46,245 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:50:46,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2230.27ms. Allocated memory is still 138.4MB. Free memory was 103.1MB in the beginning and 56.0MB in the end (delta: 47.1MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2022-11-20 19:50:46,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.40ms. Allocated memory is still 138.4MB. Free memory was 56.0MB in the beginning and 90.8MB in the end (delta: -34.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-11-20 19:50:46,247 INFO L158 Benchmark]: Boogie Preprocessor took 141.79ms. Allocated memory is still 138.4MB. Free memory was 90.8MB in the beginning and 83.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 19:50:46,247 INFO L158 Benchmark]: RCFGBuilder took 3311.72ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 83.1MB in the beginning and 109.0MB in the end (delta: -25.9MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2022-11-20 19:50:46,247 INFO L158 Benchmark]: TraceAbstraction took 27.78ms. Allocated memory is still 203.4MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:50:46,248 INFO L158 Benchmark]: Witness Printer took 178.20ms. Allocated memory is still 203.4MB. Free memory was 106.9MB in the beginning and 89.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 19:50:46,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2230.27ms. Allocated memory is still 138.4MB. Free memory was 103.1MB in the beginning and 56.0MB in the end (delta: 47.1MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.40ms. Allocated memory is still 138.4MB. Free memory was 56.0MB in the beginning and 90.8MB in the end (delta: -34.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 141.79ms. Allocated memory is still 138.4MB. Free memory was 90.8MB in the beginning and 83.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3311.72ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 83.1MB in the beginning and 109.0MB in the end (delta: -25.9MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. * TraceAbstraction took 27.78ms. Allocated memory is still 203.4MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 178.20ms. Allocated memory is still 203.4MB. Free memory was 106.9MB in the beginning and 89.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-20 19:50:46,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78966-1f3a-438b-b7a7-93034b8204ae/bin/utaipan-6cKwYrpEi9/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