./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/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_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/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 64bit --witnessprinter.graph.data.programhash 74325db70332a1fddeff9ca386b41f18f1acf3fb8cfe8254d492bb4698985bc1 --- 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 14:40:37,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:40:37,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:40:37,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:40:37,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:40:37,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:40:37,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:40:37,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:40:37,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:40:37,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:40:37,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:40:37,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:40:37,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:40:37,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:40:37,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:40:37,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:40:37,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:40:37,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:40:37,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:40:37,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:40:37,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:40:37,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:40:37,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:40:37,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:40:37,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:40:37,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:40:37,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:40:37,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:40:37,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:40:37,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:40:37,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:40:37,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:40:37,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:40:37,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:40:37,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:40:37,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:40:37,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:40:37,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:40:37,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:40:37,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:40:37,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:40:37,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:40:37,333 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:40:37,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:40:37,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:40:37,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:40:37,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:40:37,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:40:37,337 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:40:37,337 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:40:37,337 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:40:37,337 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:40:37,339 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:40:37,339 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:40:37,340 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:40:37,340 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:40:37,340 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:40:37,341 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:40:37,341 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:40:37,341 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:40:37,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:40:37,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:40:37,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:40:37,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:40:37,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:40:37,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:40:37,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:40:37,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:40:37,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:40:37,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:40:37,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:40:37,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:40:37,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:40:37,347 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:40:37,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:40:37,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:40:37,348 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:40:37,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:40:37,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:40:37,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:40:37,349 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_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74325db70332a1fddeff9ca386b41f18f1acf3fb8cfe8254d492bb4698985bc1 [2022-11-23 14:40:37,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:40:37,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:40:37,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:40:37,747 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:40:37,748 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:40:37,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2022-11-23 14:40:41,343 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:40:41,638 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:40:41,638 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2022-11-23 14:40:41,650 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/data/2cbfc3d04/85a6bb9f8dc9489f95ef17b05ad07198/FLAGa09b6b60e [2022-11-23 14:40:41,669 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/data/2cbfc3d04/85a6bb9f8dc9489f95ef17b05ad07198 [2022-11-23 14:40:41,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:40:41,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:40:41,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:40:41,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:40:41,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:40:41,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:41" (1/1) ... [2022-11-23 14:40:41,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be0d6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:41, skipping insertion in model container [2022-11-23 14:40:41,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:41" (1/1) ... [2022-11-23 14:40:41,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:40:41,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:40:42,065 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_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c[1107,1120] [2022-11-23 14:40:42,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:40:42,307 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:40:42,324 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_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c[1107,1120] [2022-11-23 14:40:42,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:40:42,459 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:40:42,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42 WrapperNode [2022-11-23 14:40:42,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:40:42,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:40:42,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:40:42,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:40:42,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42" (1/1) ... [2022-11-23 14:40:42,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42" (1/1) ... [2022-11-23 14:40:42,575 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 410 [2022-11-23 14:40:42,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:40:42,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:40:42,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:40:42,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:40:42,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42" (1/1) ... [2022-11-23 14:40:42,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42" (1/1) ... [2022-11-23 14:40:42,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42" (1/1) ... [2022-11-23 14:40:42,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42" (1/1) ... [2022-11-23 14:40:42,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42" (1/1) ... [2022-11-23 14:40:42,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42" (1/1) ... [2022-11-23 14:40:42,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42" (1/1) ... [2022-11-23 14:40:42,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42" (1/1) ... [2022-11-23 14:40:42,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:40:42,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:40:42,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:40:42,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:40:42,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42" (1/1) ... [2022-11-23 14:40:42,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:40:42,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:40:42,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:40:42,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:40:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:40:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:40:43,067 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:40:43,069 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:40:44,560 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:40:44,599 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:40:44,599 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 14:40:44,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:40:44 BoogieIcfgContainer [2022-11-23 14:40:44,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:40:44,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:40:44,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:40:44,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:40:44,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:40:41" (1/3) ... [2022-11-23 14:40:44,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549f5836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:40:44, skipping insertion in model container [2022-11-23 14:40:44,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:42" (2/3) ... [2022-11-23 14:40:44,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549f5836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:40:44, skipping insertion in model container [2022-11-23 14:40:44,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:40:44" (3/3) ... [2022-11-23 14:40:44,612 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2022-11-23 14:40:44,635 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:40:44,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:40:44,698 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:40:44,706 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7286303c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:40:44,706 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:40:44,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:40:44,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 14:40:44,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:40:44,719 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 14:40:44,720 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:40:44,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:40:44,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1797488, now seen corresponding path program 1 times [2022-11-23 14:40:44,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:40:44,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330281271] [2022-11-23 14:40:44,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:40:44,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:40:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:40:45,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:40:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:40:45,171 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 14:40:45,173 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:40:45,175 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 14:40:45,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:40:45,183 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 14:40:45,188 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:40:45,214 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-23 14:40:45,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:40:45 BoogieIcfgContainer [2022-11-23 14:40:45,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:40:45,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:40:45,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:40:45,226 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:40:45,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:40:44" (3/4) ... [2022-11-23 14:40:45,231 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 14:40:45,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:40:45,233 INFO L158 Benchmark]: Toolchain (without parser) took 3558.53ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 140.2MB in the beginning and 114.6MB in the end (delta: 25.6MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2022-11-23 14:40:45,233 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:40:45,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.79ms. Allocated memory is still 176.2MB. Free memory was 140.2MB in the beginning and 139.4MB in the end (delta: 730.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 14:40:45,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.83ms. Allocated memory is still 176.2MB. Free memory was 139.4MB in the beginning and 135.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:40:45,236 INFO L158 Benchmark]: Boogie Preprocessor took 83.89ms. Allocated memory is still 176.2MB. Free memory was 135.3MB in the beginning and 132.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:40:45,237 INFO L158 Benchmark]: RCFGBuilder took 1934.41ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 132.4MB in the beginning and 142.9MB in the end (delta: -10.5MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. [2022-11-23 14:40:45,237 INFO L158 Benchmark]: TraceAbstraction took 620.83ms. Allocated memory is still 211.8MB. Free memory was 141.9MB in the beginning and 115.7MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-23 14:40:45,238 INFO L158 Benchmark]: Witness Printer took 5.46ms. Allocated memory is still 211.8MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:40:45,241 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 115.3MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.79ms. Allocated memory is still 176.2MB. Free memory was 140.2MB in the beginning and 139.4MB in the end (delta: 730.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.83ms. Allocated memory is still 176.2MB. Free memory was 139.4MB in the beginning and 135.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.89ms. Allocated memory is still 176.2MB. Free memory was 135.3MB in the beginning and 132.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1934.41ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 132.4MB in the beginning and 142.9MB in the end (delta: -10.5MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. * TraceAbstraction took 620.83ms. Allocated memory is still 211.8MB. Free memory was 141.9MB in the beginning and 115.7MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.46ms. Allocated memory is still 211.8MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 152, overapproximation of bitwiseOr at line 161, overapproximation of bitwiseAnd at line 146. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L31] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L32] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L34] const SORT_30 mask_SORT_30 = (SORT_30)-1 >> (sizeof(SORT_30) * 8 - 4); [L35] const SORT_30 msb_SORT_30 = (SORT_30)1 << (4 - 1); [L37] const SORT_68 mask_SORT_68 = (SORT_68)-1 >> (sizeof(SORT_68) * 8 - 10); [L38] const SORT_68 msb_SORT_68 = (SORT_68)1 << (10 - 1); [L40] const SORT_1 var_7 = 0; [L41] const SORT_10 var_12 = 1; [L42] const SORT_1 var_22 = 1; [L43] const SORT_68 var_69 = 0; [L44] const SORT_10 var_109 = 104; [L46] SORT_1 input_2; [L47] SORT_3 input_4; [L48] SORT_1 input_5; [L49] SORT_1 input_6; [L50] SORT_30 input_31; [L51] SORT_1 input_33; [L52] SORT_30 input_35; [L53] SORT_1 input_37; [L54] SORT_1 input_39; [L55] SORT_1 input_45; [L56] SORT_1 input_47; [L57] SORT_1 input_49; [L58] SORT_3 input_53; [L59] SORT_1 input_56; [L60] SORT_1 input_66; [L61] SORT_1 input_77; [L62] SORT_1 input_85; [L63] SORT_1 input_91; [L64] SORT_1 input_97; [L65] SORT_1 input_103; [L66] SORT_1 input_104; [L67] SORT_1 input_105; [L68] SORT_1 input_122; [L69] SORT_68 input_132; [L70] SORT_1 input_140; [L71] SORT_1 input_141; [L72] SORT_1 input_142; [L74] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] SORT_68 state_70 = __VERIFIER_nondet_ushort() & mask_SORT_68; [L86] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_1 init_9_arg_1 = var_7; [L89] state_8 = init_9_arg_1 [L90] SORT_1 init_16_arg_1 = var_7; [L91] state_15 = init_16_arg_1 [L92] SORT_1 init_27_arg_1 = var_7; [L93] state_26 = init_27_arg_1 [L94] SORT_1 init_29_arg_1 = var_7; [L95] state_28 = init_29_arg_1 [L96] SORT_1 init_42_arg_1 = var_7; [L97] state_41 = init_42_arg_1 [L98] SORT_1 init_44_arg_1 = var_7; [L99] state_43 = init_44_arg_1 [L100] SORT_1 init_52_arg_1 = var_22; [L101] state_51 = init_52_arg_1 [L102] SORT_1 init_59_arg_1 = var_7; [L103] state_58 = init_59_arg_1 [L104] SORT_1 init_61_arg_1 = var_7; [L105] state_60 = init_61_arg_1 [L106] SORT_1 init_63_arg_1 = var_7; [L107] state_62 = init_63_arg_1 [L108] SORT_1 init_65_arg_1 = var_7; [L109] state_64 = init_65_arg_1 [L110] SORT_68 init_71_arg_1 = var_69; [L111] state_70 = init_71_arg_1 [L112] SORT_1 init_73_arg_1 = var_7; [L113] state_72 = init_73_arg_1 VAL [init_16_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_52_arg_1=1, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_30=15, mask_SORT_68=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_30=8, msb_SORT_68=512, state_15=0, state_26=0, state_28=0, state_41=0, state_43=0, state_51=1, state_58=0, state_60=0, state_62=0, state_64=0, state_70=0, state_72=0, state_8=0, var_109=104, var_12=1, var_22=1, var_69=0, var_7=0] [L116] input_2 = __VERIFIER_nondet_uchar() [L117] input_4 = __VERIFIER_nondet_uchar() [L118] input_5 = __VERIFIER_nondet_uchar() [L119] input_6 = __VERIFIER_nondet_uchar() [L120] input_31 = __VERIFIER_nondet_uchar() [L121] input_33 = __VERIFIER_nondet_uchar() [L122] input_35 = __VERIFIER_nondet_uchar() [L123] input_37 = __VERIFIER_nondet_uchar() [L124] input_39 = __VERIFIER_nondet_uchar() [L125] input_45 = __VERIFIER_nondet_uchar() [L126] input_47 = __VERIFIER_nondet_uchar() [L127] input_49 = __VERIFIER_nondet_uchar() [L128] input_53 = __VERIFIER_nondet_uchar() [L129] input_56 = __VERIFIER_nondet_uchar() [L130] input_66 = __VERIFIER_nondet_uchar() [L131] input_77 = __VERIFIER_nondet_uchar() [L132] input_85 = __VERIFIER_nondet_uchar() [L133] input_91 = __VERIFIER_nondet_uchar() [L134] input_97 = __VERIFIER_nondet_uchar() [L135] input_103 = __VERIFIER_nondet_uchar() [L136] input_104 = __VERIFIER_nondet_uchar() [L137] input_105 = __VERIFIER_nondet_uchar() [L138] input_122 = __VERIFIER_nondet_uchar() [L139] input_132 = __VERIFIER_nondet_ushort() [L140] input_140 = __VERIFIER_nondet_uchar() [L141] input_141 = __VERIFIER_nondet_uchar() [L142] input_142 = __VERIFIER_nondet_uchar() [L145] SORT_1 var_11_arg_0 = state_8; [L146] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L147] SORT_10 var_11 = var_11_arg_0; [L148] SORT_10 var_13_arg_0 = var_11; [L149] SORT_10 var_13_arg_1 = var_12; [L150] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L151] SORT_1 var_14_arg_0 = var_13; [L152] SORT_1 var_14 = ~var_14_arg_0; [L153] SORT_1 var_17_arg_0 = state_15; [L154] var_17_arg_0 = var_17_arg_0 & mask_SORT_1 [L155] SORT_10 var_17 = var_17_arg_0; [L156] SORT_10 var_18_arg_0 = var_17; [L157] SORT_10 var_18_arg_1 = var_12; [L158] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L159] SORT_1 var_19_arg_0 = var_14; [L160] SORT_1 var_19_arg_1 = var_18; [L161] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L162] SORT_1 var_23_arg_0 = var_19; [L163] SORT_1 var_23 = ~var_23_arg_0; [L164] SORT_1 var_24_arg_0 = var_22; [L165] SORT_1 var_24_arg_1 = var_23; [L166] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L167] var_24 = var_24 & mask_SORT_1 [L168] SORT_1 bad_25_arg_0 = var_24; [L169] CALL __VERIFIER_assert(!(bad_25_arg_0)) [L20] COND TRUE !(cond) VAL [cond=0, unknown-#in~cond-unknown=0] [L20] reach_error() VAL [cond=0, unknown-#in~cond-unknown=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 14:40:45,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/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_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/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 64bit --witnessprinter.graph.data.programhash 74325db70332a1fddeff9ca386b41f18f1acf3fb8cfe8254d492bb4698985bc1 --- 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 14:40:48,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:40:48,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:40:48,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:40:48,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:40:48,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:40:48,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:40:48,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:40:48,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:40:48,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:40:48,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:40:48,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:40:48,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:40:48,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:40:48,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:40:48,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:40:48,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:40:48,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:40:48,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:40:48,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:40:48,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:40:48,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:40:48,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:40:48,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:40:48,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:40:48,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:40:48,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:40:48,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:40:48,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:40:48,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:40:48,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:40:48,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:40:48,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:40:48,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:40:48,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:40:48,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:40:48,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:40:48,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:40:48,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:40:48,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:40:48,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:40:48,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 14:40:48,456 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:40:48,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:40:48,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:40:48,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:40:48,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:40:48,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:40:48,461 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:40:48,461 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:40:48,462 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:40:48,462 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:40:48,463 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:40:48,464 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:40:48,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:40:48,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:40:48,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:40:48,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:40:48,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:40:48,468 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:40:48,468 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:40:48,468 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:40:48,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:40:48,469 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:40:48,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:40:48,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:40:48,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:40:48,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:40:48,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:40:48,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:40:48,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:40:48,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:40:48,472 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:40:48,473 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:40:48,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:40:48,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:40:48,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:40:48,474 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74325db70332a1fddeff9ca386b41f18f1acf3fb8cfe8254d492bb4698985bc1 [2022-11-23 14:40:48,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:40:49,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:40:49,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:40:49,031 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:40:49,031 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:40:49,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2022-11-23 14:40:52,812 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:40:53,132 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:40:53,132 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2022-11-23 14:40:53,159 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/data/b77d43f15/d684aadee5c64fdca74f985c64da078c/FLAG0a9db3efd [2022-11-23 14:40:53,180 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/data/b77d43f15/d684aadee5c64fdca74f985c64da078c [2022-11-23 14:40:53,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:40:53,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:40:53,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:40:53,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:40:53,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:40:53,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162273a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53, skipping insertion in model container [2022-11-23 14:40:53,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:40:53,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:40:53,410 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_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c[1107,1120] [2022-11-23 14:40:53,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:40:53,565 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:40:53,591 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_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c[1107,1120] [2022-11-23 14:40:53,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:40:53,693 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:40:53,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53 WrapperNode [2022-11-23 14:40:53,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:40:53,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:40:53,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:40:53,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:40:53,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,778 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 410 [2022-11-23 14:40:53,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:40:53,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:40:53,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:40:53,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:40:53,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,846 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:40:53,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:40:53,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:40:53,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:40:53,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53" (1/1) ... [2022-11-23 14:40:53,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:40:53,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:40:53,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:40:53,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:40:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:40:53,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:40:54,217 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:40:54,235 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:40:55,000 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:40:55,008 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:40:55,009 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 14:40:55,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:40:55 BoogieIcfgContainer [2022-11-23 14:40:55,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:40:55,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:40:55,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:40:55,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:40:55,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:40:53" (1/3) ... [2022-11-23 14:40:55,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652b834c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:40:55, skipping insertion in model container [2022-11-23 14:40:55,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:53" (2/3) ... [2022-11-23 14:40:55,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652b834c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:40:55, skipping insertion in model container [2022-11-23 14:40:55,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:40:55" (3/3) ... [2022-11-23 14:40:55,023 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2022-11-23 14:40:55,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:40:55,049 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:40:55,111 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:40:55,119 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41003ab1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:40:55,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:40:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:40:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 14:40:55,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:40:55,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 14:40:55,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:40:55,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:40:55,142 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-23 14:40:55,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:40:55,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747939891] [2022-11-23 14:40:55,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:40:55,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:40:55,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:40:55,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:40:55,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 14:40:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:40:55,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-23 14:40:55,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:40:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:40:55,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:40:55,729 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:40:55,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747939891] [2022-11-23 14:40:55,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1747939891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:40:55,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:40:55,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:40:55,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166334553] [2022-11-23 14:40:55,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:40:55,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:40:55,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:40:55,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:40:55,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:40:55,809 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:40:55,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:40:55,898 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. [2022-11-23 14:40:55,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:40:55,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-23 14:40:55,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:40:55,909 INFO L225 Difference]: With dead ends: 15 [2022-11-23 14:40:55,909 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 14:40:55,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:40:55,919 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:40:55,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:40:55,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 14:40:55,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 14:40:55,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:40:55,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 14:40:55,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-23 14:40:55,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:40:55,951 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 14:40:55,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:40:55,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 14:40:55,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 14:40:55,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 14:40:55,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:40:56,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:40:56,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 14:40:56,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:40:56,215 INFO L895 garLoopResultBuilder]: At program point L114-2(lines 114 396) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~var_12~0#1| (_ bv1 32)) (= |ULTIMATE.start_main_~state_8~0#1| (_ bv0 8))) [2022-11-23 14:40:56,215 INFO L899 garLoopResultBuilder]: For program point L114-3(lines 114 396) no Hoare annotation was computed. [2022-11-23 14:40:56,216 INFO L895 garLoopResultBuilder]: At program point L397(lines 22 398) the Hoare annotation is: false [2022-11-23 14:40:56,216 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 14:40:56,217 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 14:40:56,218 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 14:40:56,218 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-23 14:40:56,219 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-23 14:40:56,220 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-23 14:40:56,220 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-23 14:40:56,224 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 14:40:56,228 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:40:56,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:40:56 BoogieIcfgContainer [2022-11-23 14:40:56,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:40:56,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:40:56,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:40:56,263 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:40:56,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:40:55" (3/4) ... [2022-11-23 14:40:56,267 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:40:56,283 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 14:40:56,284 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 14:40:56,285 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:40:56,381 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:40:56,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:40:56,388 INFO L158 Benchmark]: Toolchain (without parser) took 3203.37ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 46.9MB in the beginning and 68.1MB in the end (delta: -21.2MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-11-23 14:40:56,388 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 73.4MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:40:56,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.66ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 49.2MB in the end (delta: -2.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 14:40:56,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.06ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 45.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:40:56,390 INFO L158 Benchmark]: Boogie Preprocessor took 74.67ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 43.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:40:56,391 INFO L158 Benchmark]: RCFGBuilder took 1156.68ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 42.9MB in the beginning and 52.9MB in the end (delta: -9.9MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-11-23 14:40:56,391 INFO L158 Benchmark]: TraceAbstraction took 1233.71ms. Allocated memory is still 98.6MB. Free memory was 52.3MB in the beginning and 39.1MB in the end (delta: 13.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-11-23 14:40:56,392 INFO L158 Benchmark]: Witness Printer took 124.67ms. Allocated memory is still 98.6MB. Free memory was 74.4MB in the beginning and 68.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 14:40:56,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 73.4MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.66ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 49.2MB in the end (delta: -2.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.06ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 45.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.67ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 43.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1156.68ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 42.9MB in the beginning and 52.9MB in the end (delta: -9.9MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1233.71ms. Allocated memory is still 98.6MB. Free memory was 52.3MB in the beginning and 39.1MB in the end (delta: 13.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 124.67ms. Allocated memory is still 98.6MB. Free memory was 74.4MB in the beginning and 68.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 20]: 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 1 procedures, 11 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, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 11 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 22 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 22 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: 114]: Loop Invariant Derived loop invariant: (1bv8 == mask_SORT_1 && var_12 == 1bv32) && state_8 == 0bv8 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-23 14:40:56,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4e45ce-51d8-4a75-b20a-b8ae4d7a77ad/bin/utaipan-Q6hlc19bkW/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