./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:08:17,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:08:17,784 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 07:08:17,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:08:17,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:08:17,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:08:17,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:08:17,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:08:17,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:08:17,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:08:17,856 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:08:17,857 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:08:17,857 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:08:17,860 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:08:17,860 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:08:17,861 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:08:17,861 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:08:17,861 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:08:17,862 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:08:17,862 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:08:17,866 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:08:17,867 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:08:17,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:08:17,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:08:17,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:08:17,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:08:17,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:08:17,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:08:17,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:08:17,870 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:08:17,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:08:17,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:08:17,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:08:17,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:08:17,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:08:17,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:08:17,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:08:17,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:08:17,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:08:17,878 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:08:17,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:08:17,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:08:17,879 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:08:17,880 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:08:17,880 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948 [2024-11-09 07:08:18,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:08:18,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:08:18,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:08:18,280 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:08:18,281 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:08:18,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 07:08:20,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:08:21,085 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:08:21,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c [2024-11-09 07:08:21,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/data/443894c21/e61300e0e4a44c699f63e79e61e7b7d7/FLAG884a97656 [2024-11-09 07:08:21,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/data/443894c21/e61300e0e4a44c699f63e79e61e7b7d7 [2024-11-09 07:08:21,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:08:21,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:08:21,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:21,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:08:21,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:08:21,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:21" (1/1) ... [2024-11-09 07:08:21,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27377fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:21, skipping insertion in model container [2024-11-09 07:08:21,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:21" (1/1) ... [2024-11-09 07:08:21,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:08:21,863 WARN L250 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_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c[1175,1188] [2024-11-09 07:08:22,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:22,425 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:08:22,441 WARN L250 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_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c[1175,1188] [2024-11-09 07:08:22,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:22,642 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:08:22,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22 WrapperNode [2024-11-09 07:08:22,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:22,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:22,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:08:22,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:08:22,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:22,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:23,581 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4639 [2024-11-09 07:08:23,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:23,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:08:23,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:08:23,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:08:23,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:23,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:23,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:23,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:24,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:24,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:24,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:24,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:24,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:08:24,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:08:24,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:08:24,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:08:24,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:24,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:08:24,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:08:24,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:08:24,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:08:24,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:08:24,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:08:24,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:08:24,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:08:25,243 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:08:25,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:08:32,510 INFO L? ?]: Removed 2538 outVars from TransFormulas that were not future-live. [2024-11-09 07:08:32,510 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:08:43,053 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:08:43,054 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:08:43,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:43 BoogieIcfgContainer [2024-11-09 07:08:43,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:08:43,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:08:43,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:08:43,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:08:43,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:08:21" (1/3) ... [2024-11-09 07:08:43,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b717b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:43, skipping insertion in model container [2024-11-09 07:08:43,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (2/3) ... [2024-11-09 07:08:43,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b717b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:43, skipping insertion in model container [2024-11-09 07:08:43,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:43" (3/3) ... [2024-11-09 07:08:43,071 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.2.prop1-func-interl.c [2024-11-09 07:08:43,100 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:08:43,100 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:08:43,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:08:43,219 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@69f1cae2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:08:43,220 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:08:43,225 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) [2024-11-09 07:08:43,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 07:08:43,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:08:43,235 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 07:08:43,236 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:08:43,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:43,245 INFO L85 PathProgramCache]: Analyzing trace with hash 239659419, now seen corresponding path program 1 times [2024-11-09 07:08:43,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:08:43,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453808993] [2024-11-09 07:08:43,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:43,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:08:44,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:08:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:08:44,679 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:08:44,686 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:08:44,687 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:08:44,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:08:44,696 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:08:44,738 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 07:08:44,756 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:08:44,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:08:44 BoogieIcfgContainer [2024-11-09 07:08:44,762 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:08:44,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:08:44,764 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:08:44,765 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:08:44,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:43" (3/4) ... [2024-11-09 07:08:44,769 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:08:44,771 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:08:44,772 INFO L158 Benchmark]: Toolchain (without parser) took 23391.04ms. Allocated memory was 136.3MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 97.2MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 269.5MB. Max. memory is 16.1GB. [2024-11-09 07:08:44,773 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 107.0MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:08:44,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1260.90ms. Allocated memory is still 136.3MB. Free memory was 96.9MB in the beginning and 52.1MB in the end (delta: 44.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-09 07:08:44,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 938.55ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 52.1MB in the beginning and 69.9MB in the end (delta: -17.9MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. [2024-11-09 07:08:44,777 INFO L158 Benchmark]: Boogie Preprocessor took 959.86ms. Allocated memory was 172.0MB in the beginning and 318.8MB in the end (delta: 146.8MB). Free memory was 69.9MB in the beginning and 191.2MB in the end (delta: -121.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2024-11-09 07:08:44,780 INFO L158 Benchmark]: RCFGBuilder took 18509.39ms. Allocated memory was 318.8MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 191.2MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 620.6MB. Max. memory is 16.1GB. [2024-11-09 07:08:44,782 INFO L158 Benchmark]: TraceAbstraction took 1703.47ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.7GB in the end (delta: -269.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:08:44,782 INFO L158 Benchmark]: Witness Printer took 7.61ms. Allocated memory is still 2.0GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:08:44,788 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 107.0MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1260.90ms. Allocated memory is still 136.3MB. Free memory was 96.9MB in the beginning and 52.1MB in the end (delta: 44.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 938.55ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 52.1MB in the beginning and 69.9MB in the end (delta: -17.9MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 959.86ms. Allocated memory was 172.0MB in the beginning and 318.8MB in the end (delta: 146.8MB). Free memory was 69.9MB in the beginning and 191.2MB in the end (delta: -121.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * RCFGBuilder took 18509.39ms. Allocated memory was 318.8MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 191.2MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 620.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1703.47ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.7GB in the end (delta: -269.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.61ms. Allocated memory is still 2.0GB. Free memory is still 1.7GB. There was no memory consumed. 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 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 147. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_20 = 0; [L40] const SORT_4 var_53 = 1; [L41] const SORT_4 var_54 = 0; [L42] const SORT_2 var_63 = 1; [L43] const SORT_3 var_65 = 0; [L44] const SORT_4 var_68 = 3; [L45] const SORT_2 var_72 = 0; [L46] const SORT_4 var_122 = 2; [L47] const SORT_2 var_125 = 2; [L49] SORT_1 input_64; [L50] SORT_1 input_74; [L51] SORT_1 input_76; [L52] SORT_1 input_83; [L53] SORT_1 input_85; [L54] SORT_1 input_92; [L55] SORT_1 input_143; [L56] SORT_1 input_147; [L57] SORT_1 input_150; [L58] SORT_1 input_151; [L59] SORT_1 input_152; [L60] SORT_1 input_153; [L61] SORT_1 input_161; [L62] SORT_1 input_167; [L63] SORT_1 input_173; [L64] SORT_1 input_188; [L65] SORT_1 input_206; [L66] SORT_1 input_224; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L68] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L69] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L70] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L71] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L72] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L73] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L74] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L90] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] SORT_2 init_7_arg_1 = var_5; [L93] state_6 = init_7_arg_1 [L94] SORT_2 init_9_arg_1 = var_5; [L95] state_8 = init_9_arg_1 [L96] SORT_2 init_11_arg_1 = var_5; [L97] state_10 = init_11_arg_1 [L98] SORT_2 init_13_arg_1 = var_5; [L99] state_12 = init_13_arg_1 [L100] SORT_2 init_15_arg_1 = var_5; [L101] state_14 = init_15_arg_1 [L102] SORT_2 init_17_arg_1 = var_5; [L103] state_16 = init_17_arg_1 [L104] SORT_2 init_19_arg_1 = var_5; [L105] state_18 = init_19_arg_1 [L106] SORT_1 init_22_arg_1 = var_20; [L107] state_21 = init_22_arg_1 [L108] SORT_1 init_24_arg_1 = var_20; [L109] state_23 = init_24_arg_1 [L110] SORT_1 init_26_arg_1 = var_20; [L111] state_25 = init_26_arg_1 [L112] SORT_1 init_28_arg_1 = var_20; [L113] state_27 = init_28_arg_1 [L114] SORT_1 init_30_arg_1 = var_20; [L115] state_29 = init_30_arg_1 [L116] SORT_1 init_32_arg_1 = var_20; [L117] state_31 = init_32_arg_1 [L118] SORT_1 init_34_arg_1 = var_20; [L119] state_33 = init_34_arg_1 [L120] SORT_1 init_36_arg_1 = var_20; [L121] state_35 = init_36_arg_1 [L122] SORT_1 init_38_arg_1 = var_20; [L123] state_37 = init_38_arg_1 [L124] SORT_1 init_40_arg_1 = var_20; [L125] state_39 = init_40_arg_1 [L126] SORT_1 init_42_arg_1 = var_20; [L127] state_41 = init_42_arg_1 [L128] SORT_1 init_44_arg_1 = var_20; [L129] state_43 = init_44_arg_1 [L130] SORT_1 init_46_arg_1 = var_20; [L131] state_45 = init_46_arg_1 [L132] SORT_1 init_48_arg_1 = var_20; [L133] state_47 = init_48_arg_1 [L134] SORT_1 init_50_arg_1 = var_20; [L135] state_49 = init_50_arg_1 [L136] SORT_1 init_52_arg_1 = var_20; [L137] state_51 = init_52_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L140] input_64 = __VERIFIER_nondet_uchar() [L141] input_74 = __VERIFIER_nondet_uchar() [L142] input_76 = __VERIFIER_nondet_uchar() [L143] input_83 = __VERIFIER_nondet_uchar() [L144] input_85 = __VERIFIER_nondet_uchar() [L145] input_92 = __VERIFIER_nondet_uchar() [L146] input_143 = __VERIFIER_nondet_uchar() [L147] EXPR input_143 & mask_SORT_1 [L147] input_143 = input_143 & mask_SORT_1 [L148] input_147 = __VERIFIER_nondet_uchar() [L149] EXPR input_147 & mask_SORT_1 [L149] input_147 = input_147 & mask_SORT_1 [L150] input_150 = __VERIFIER_nondet_uchar() [L151] EXPR input_150 & mask_SORT_1 [L151] input_150 = input_150 & mask_SORT_1 [L152] input_151 = __VERIFIER_nondet_uchar() [L153] EXPR input_151 & mask_SORT_1 [L153] input_151 = input_151 & mask_SORT_1 [L154] input_152 = __VERIFIER_nondet_uchar() [L155] EXPR input_152 & mask_SORT_1 [L155] input_152 = input_152 & mask_SORT_1 [L156] input_153 = __VERIFIER_nondet_uchar() [L157] EXPR input_153 & mask_SORT_1 [L157] input_153 = input_153 & mask_SORT_1 [L158] input_161 = __VERIFIER_nondet_uchar() [L159] EXPR input_161 & mask_SORT_1 [L159] input_161 = input_161 & mask_SORT_1 [L160] input_167 = __VERIFIER_nondet_uchar() [L161] EXPR input_167 & mask_SORT_1 [L161] input_167 = input_167 & mask_SORT_1 [L162] input_173 = __VERIFIER_nondet_uchar() [L163] EXPR input_173 & mask_SORT_1 [L163] input_173 = input_173 & mask_SORT_1 [L164] input_188 = __VERIFIER_nondet_uchar() [L165] input_206 = __VERIFIER_nondet_uchar() [L166] input_224 = __VERIFIER_nondet_uchar() [L169] SORT_1 var_55_arg_0 = state_29; [L170] SORT_4 var_55_arg_1 = var_53; [L171] SORT_4 var_55_arg_2 = var_54; [L172] SORT_4 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L173] SORT_1 var_56_arg_0 = state_39; [L174] SORT_4 var_56_arg_1 = var_53; [L175] SORT_4 var_56_arg_2 = var_54; [L176] SORT_4 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2; [L177] SORT_4 var_57_arg_0 = var_55; [L178] SORT_4 var_57_arg_1 = var_56; [L179] SORT_4 var_57 = var_57_arg_0 + var_57_arg_1; [L180] SORT_1 var_58_arg_0 = state_49; [L181] SORT_4 var_58_arg_1 = var_53; [L182] SORT_4 var_58_arg_2 = var_54; [L183] SORT_4 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L184] SORT_4 var_59_arg_0 = var_57; [L185] SORT_4 var_59_arg_1 = var_58; [L186] SORT_4 var_59 = var_59_arg_0 + var_59_arg_1; [L187] EXPR var_59 & mask_SORT_4 [L187] var_59 = var_59 & mask_SORT_4 [L188] SORT_4 var_60_arg_0 = var_59; [L189] SORT_4 var_60_arg_1 = var_53; [L190] SORT_1 var_60 = var_60_arg_0 <= var_60_arg_1; [L191] SORT_1 var_61_arg_0 = ~state_51; [L192] EXPR var_61_arg_0 & mask_SORT_1 [L192] var_61_arg_0 = var_61_arg_0 & mask_SORT_1 [L193] SORT_1 var_61_arg_1 = ~var_60; [L194] EXPR var_61_arg_1 & mask_SORT_1 [L194] var_61_arg_1 = var_61_arg_1 & mask_SORT_1 [L195] EXPR var_61_arg_0 & var_61_arg_1 [L195] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L196] EXPR var_61 & mask_SORT_1 [L196] var_61 = var_61 & mask_SORT_1 [L197] SORT_1 bad_62_arg_0 = var_61; [L198] CALL __VERIFIER_assert(!(bad_62_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, 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, 0.9s 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 [2024-11-09 07:08:44,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/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 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_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:08:47,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:08:47,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 07:08:48,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:08:48,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:08:48,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:08:48,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:08:48,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:08:48,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:08:48,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:08:48,035 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:08:48,036 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:08:48,036 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:08:48,036 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:08:48,037 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:08:48,037 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:08:48,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:08:48,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:08:48,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:08:48,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:08:48,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:08:48,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:08:48,045 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:08:48,046 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:08:48,046 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:08:48,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:08:48,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:08:48,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:08:48,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:08:48,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:08:48,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:08:48,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:08:48,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:08:48,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:08:48,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:08:48,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:08:48,054 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:08:48,054 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:08:48,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:08:48,055 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:08:48,055 INFO L153 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_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948 [2024-11-09 07:08:48,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:08:48,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:08:48,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:08:48,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:08:48,600 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:08:48,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 07:08:51,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:08:51,611 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:08:51,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c [2024-11-09 07:08:51,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/data/e5a44ab97/2fb0c82448874e25a375e0da67e38f20/FLAG5ce43edea [2024-11-09 07:08:51,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/data/e5a44ab97/2fb0c82448874e25a375e0da67e38f20 [2024-11-09 07:08:51,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:08:51,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:08:51,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:51,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:08:51,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:08:51,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:51" (1/1) ... [2024-11-09 07:08:51,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df09766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:51, skipping insertion in model container [2024-11-09 07:08:51,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:51" (1/1) ... [2024-11-09 07:08:51,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:08:52,125 WARN L250 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_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c[1175,1188] [2024-11-09 07:08:52,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:52,633 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:08:52,655 WARN L250 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_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c[1175,1188] [2024-11-09 07:08:52,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:52,988 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:08:52,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52 WrapperNode [2024-11-09 07:08:52,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:52,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:52,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:08:52,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:08:53,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52" (1/1) ... [2024-11-09 07:08:53,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52" (1/1) ... [2024-11-09 07:08:53,195 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1371 [2024-11-09 07:08:53,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:53,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:08:53,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:08:53,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:08:53,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52" (1/1) ... [2024-11-09 07:08:53,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52" (1/1) ... [2024-11-09 07:08:53,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52" (1/1) ... [2024-11-09 07:08:53,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52" (1/1) ... [2024-11-09 07:08:53,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52" (1/1) ... [2024-11-09 07:08:53,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52" (1/1) ... [2024-11-09 07:08:53,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52" (1/1) ... [2024-11-09 07:08:53,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52" (1/1) ... [2024-11-09 07:08:53,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:08:53,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:08:53,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:08:53,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:08:53,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52" (1/1) ... [2024-11-09 07:08:53,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:08:53,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:08:53,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:08:53,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:08:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:08:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:08:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:08:53,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:08:53,881 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:08:53,884 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:08:56,887 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-09 07:08:56,887 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:08:56,904 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:08:56,904 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:08:56,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:56 BoogieIcfgContainer [2024-11-09 07:08:56,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:08:56,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:08:56,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:08:56,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:08:56,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:08:51" (1/3) ... [2024-11-09 07:08:56,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e322961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:56, skipping insertion in model container [2024-11-09 07:08:56,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:52" (2/3) ... [2024-11-09 07:08:56,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e322961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:56, skipping insertion in model container [2024-11-09 07:08:56,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:56" (3/3) ... [2024-11-09 07:08:56,920 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.2.prop1-func-interl.c [2024-11-09 07:08:56,942 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:08:56,943 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:08:57,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:08:57,044 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@20dc077, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:08:57,045 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:08:57,053 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) [2024-11-09 07:08:57,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 07:08:57,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:08:57,064 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 07:08:57,065 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:08:57,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:57,074 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 07:08:57,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:08:57,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951609249] [2024-11-09 07:08:57,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:57,098 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 [2024-11-09 07:08:57,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:08:57,102 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:08:57,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:08:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:57,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 07:08:57,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:08:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:58,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:08:58,096 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:08:58,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951609249] [2024-11-09 07:08:58,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [951609249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:58,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:58,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:08:58,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585573065] [2024-11-09 07:08:58,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:58,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:08:58,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:08:58,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:08:58,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:08:58,174 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) [2024-11-09 07:08:59,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:08:59,471 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 07:08:59,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:08:59,475 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 [2024-11-09 07:08:59,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:08:59,485 INFO L225 Difference]: With dead ends: 19 [2024-11-09 07:08:59,485 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 07:08:59,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:08:59,493 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:08:59,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 07:08:59,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 07:08:59,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 07:08:59,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2024-11-09 07:08:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 07:08:59,534 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 07:08:59,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:08:59,535 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 07:08:59,535 INFO L472 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) [2024-11-09 07:08:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 07:08:59,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 07:08:59,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:08:59,536 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:59,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 07:08:59,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:08:59,740 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:08:59,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:59,741 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 07:08:59,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:08:59,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443011670] [2024-11-09 07:08:59,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:59,745 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 [2024-11-09 07:08:59,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:08:59,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:08:59,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fee47ec-8fb1-4c9c-9115-dd14b91efbe5/bin/utaipan-verify-YMUCfTKeje/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 (3)] Waiting until timeout for monitored process [2024-11-09 07:09:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:09:00,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 07:09:00,938 INFO L278 TraceCheckSpWp]: Computing forward predicates...