./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW --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 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df --- 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-4e7fbc6 [2022-11-23 14:33:09,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:33:09,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:33:09,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:33:09,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:33:09,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:33:09,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:33:09,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:33:09,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:33:09,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:33:09,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:33:09,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:33:09,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:33:09,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:33:09,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:33:09,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:33:09,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:33:09,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:33:09,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:33:09,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:33:09,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:33:09,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:33:09,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:33:09,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:33:09,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:33:09,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:33:09,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:33:09,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:33:09,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:33:09,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:33:09,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:33:09,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:33:09,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:33:09,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:33:09,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:33:09,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:33:09,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:33:09,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:33:09,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:33:09,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:33:09,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:33:09,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:33:09,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:33:09,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:33:09,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:33:09,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:33:09,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:33:09,664 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:33:09,664 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:33:09,665 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:33:09,665 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:33:09,665 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:33:09,666 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:33:09,666 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:33:09,667 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:33:09,667 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:33:09,667 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:33:09,667 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:33:09,667 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:33:09,668 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:33:09,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:33:09,669 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:33:09,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:33:09,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:33:09,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:33:09,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:33:09,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:33:09,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:33:09,671 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:33:09,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:33:09,671 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:33:09,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:33:09,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:33:09,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:33:09,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:33:09,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:33:09,673 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:33:09,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:33:09,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:33:09,674 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:33:09,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:33:09,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:33:09,674 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:33:09,675 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_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df [2022-11-23 14:33:10,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:33:10,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:33:10,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:33:10,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:33:10,059 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:33:10,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2022-11-23 14:33:13,146 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:33:13,744 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:33:13,745 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2022-11-23 14:33:13,789 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/data/c2affb93e/a92a8934de9c4a1f9ed21da6b9ccc676/FLAG69c9df17b [2022-11-23 14:33:13,808 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/data/c2affb93e/a92a8934de9c4a1f9ed21da6b9ccc676 [2022-11-23 14:33:13,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:33:13,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:33:13,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:33:13,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:33:13,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:33:13,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:13" (1/1) ... [2022-11-23 14:33:13,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdd78b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:13, skipping insertion in model container [2022-11-23 14:33:13,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:13" (1/1) ... [2022-11-23 14:33:13,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:33:13,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:33:14,173 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_78543565-5f99-4421-9b89-2b987f49c1f4/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i[458,471] [2022-11-23 14:33:15,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:33:15,831 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:33:15,846 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_78543565-5f99-4421-9b89-2b987f49c1f4/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i[458,471] [2022-11-23 14:33:16,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:33:16,288 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:33:16,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16 WrapperNode [2022-11-23 14:33:16,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:33:16,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:33:16,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:33:16,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:33:16,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16" (1/1) ... [2022-11-23 14:33:16,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16" (1/1) ... [2022-11-23 14:33:16,523 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1009 [2022-11-23 14:33:16,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:33:16,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:33:16,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:33:16,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:33:16,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16" (1/1) ... [2022-11-23 14:33:16,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16" (1/1) ... [2022-11-23 14:33:16,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16" (1/1) ... [2022-11-23 14:33:16,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16" (1/1) ... [2022-11-23 14:33:16,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16" (1/1) ... [2022-11-23 14:33:16,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16" (1/1) ... [2022-11-23 14:33:16,682 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16" (1/1) ... [2022-11-23 14:33:16,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16" (1/1) ... [2022-11-23 14:33:16,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:33:16,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:33:16,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:33:16,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:33:16,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16" (1/1) ... [2022-11-23 14:33:16,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:33:16,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:33:16,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:33:16,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:33:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-23 14:33:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-23 14:33:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 14:33:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-23 14:33:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 14:33:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 14:33:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:33:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 14:33:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 14:33:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 14:33:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-23 14:33:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-23 14:33:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-23 14:33:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 14:33:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:33:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:33:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-23 14:33:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-23 14:33:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:33:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:33:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:33:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:33:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-23 14:33:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-23 14:33:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-23 14:33:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-23 14:33:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-23 14:33:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-23 14:33:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:33:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:33:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-23 14:33:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-23 14:33:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:33:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:33:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:33:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-23 14:33:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-23 14:33:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:33:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:33:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-23 14:33:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-23 14:33:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-23 14:33:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-23 14:33:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 14:33:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 14:33:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:33:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-23 14:33:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-23 14:33:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-23 14:33:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-23 14:33:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-23 14:33:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-23 14:33:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-23 14:33:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-23 14:33:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-23 14:33:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-23 14:33:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-23 14:33:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-23 14:33:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:33:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-23 14:33:16,824 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-23 14:33:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-23 14:33:16,824 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-23 14:33:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-23 14:33:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-23 14:33:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 14:33:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 14:33:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:33:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:33:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:33:17,328 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:33:17,331 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:33:19,758 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:33:20,192 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:33:20,193 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 14:33:20,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:20 BoogieIcfgContainer [2022-11-23 14:33:20,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:33:20,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:33:20,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:33:20,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:33:20,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:33:13" (1/3) ... [2022-11-23 14:33:20,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2498f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:20, skipping insertion in model container [2022-11-23 14:33:20,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:16" (2/3) ... [2022-11-23 14:33:20,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2498f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:20, skipping insertion in model container [2022-11-23 14:33:20,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:20" (3/3) ... [2022-11-23 14:33:20,215 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outw_p.i [2022-11-23 14:33:20,238 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:33:20,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-23 14:33:20,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2498f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:33:20, skipping insertion in model container [2022-11-23 14:33:20,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:33:20,242 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:33:20,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:33:20,242 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:33:20,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:20" (3/3) ... [2022-11-23 14:33:20,247 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:33:20,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2022-11-23 14:33:20,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2022-11-23 14:33:20,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2022-11-23 14:33:20,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2022-11-23 14:33:20,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2022-11-23 14:33:20,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2022-11-23 14:33:20,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:33:20,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2022-11-23 14:33:20,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2022-11-23 14:33:20,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:33:20,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-23 14:33:20,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2022-11-23 14:33:20,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2022-11-23 14:33:20,261 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2022-11-23 14:33:20,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2022-11-23 14:33:20,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-23 14:33:20,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2022-11-23 14:33:20,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2022-11-23 14:33:20,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2022-11-23 14:33:20,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2022-11-23 14:33:20,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2022-11-23 14:33:20,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2022-11-23 14:33:20,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2022-11-23 14:33:20,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2022-11-23 14:33:20,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-23 14:33:20,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2022-11-23 14:33:20,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 14:33:20,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2022-11-23 14:33:20,303 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 210 nodes and edges [2022-11-23 14:33:20,306 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2022-11-23 14:33:20,310 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-23 14:33:20,312 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 14:33:20,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 14:33:20,316 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:33:20,552 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:33:20,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:33:20,555 INFO L158 Benchmark]: Toolchain (without parser) took 6736.75ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 105.6MB in the beginning and 120.6MB in the end (delta: -15.0MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-11-23 14:33:20,555 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:33:20,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2465.21ms. Allocated memory is still 153.1MB. Free memory was 105.6MB in the beginning and 63.8MB in the end (delta: 41.8MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2022-11-23 14:33:20,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 237.63ms. Allocated memory is still 153.1MB. Free memory was 63.8MB in the beginning and 108.9MB in the end (delta: -45.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 14:33:20,556 INFO L158 Benchmark]: Boogie Preprocessor took 171.70ms. Allocated memory is still 153.1MB. Free memory was 108.9MB in the beginning and 101.3MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 14:33:20,557 INFO L158 Benchmark]: RCFGBuilder took 3499.96ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 101.3MB in the beginning and 140.5MB in the end (delta: -39.2MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. [2022-11-23 14:33:20,557 INFO L158 Benchmark]: TraceAbstraction took 36.93ms. Allocated memory is still 195.0MB. Free memory was 139.5MB in the beginning and 137.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:33:20,557 INFO L158 Benchmark]: Witness Printer took 310.65ms. Allocated memory is still 195.0MB. Free memory was 137.4MB in the beginning and 120.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 14:33:20,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2465.21ms. Allocated memory is still 153.1MB. Free memory was 105.6MB in the beginning and 63.8MB in the end (delta: 41.8MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 237.63ms. Allocated memory is still 153.1MB. Free memory was 63.8MB in the beginning and 108.9MB in the end (delta: -45.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.70ms. Allocated memory is still 153.1MB. Free memory was 108.9MB in the beginning and 101.3MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3499.96ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 101.3MB in the beginning and 140.5MB in the end (delta: -39.2MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. * TraceAbstraction took 36.93ms. Allocated memory is still 195.0MB. Free memory was 139.5MB in the beginning and 137.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 310.65ms. Allocated memory is still 195.0MB. Free memory was 137.4MB in the beginning and 120.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. 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! [2022-11-23 14:33:20,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78543565-5f99-4421-9b89-2b987f49c1f4/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE