./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_FIFOs.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_FIFOs.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire --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 06ab3f6dfc5d0af96a725c547a1ce0851880572e04998680f4167699000e98db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:10,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:10,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:30:10,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:10,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:10,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:10,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:10,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:10,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:10,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:10,563 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:10,564 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:10,564 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:10,566 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:30:10,566 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:10,567 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:10,567 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:30:10,568 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:30:10,568 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:10,569 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:30:10,569 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:30:10,570 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:30:10,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:10,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:10,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:30:10,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:10,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:10,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:10,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:10,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:10,575 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:10,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:10,576 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:10,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:10,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:10,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:10,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:10,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:10,578 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:30:10,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:30:10,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:10,579 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:10,579 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:10,579 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:10,580 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_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06ab3f6dfc5d0af96a725c547a1ce0851880572e04998680f4167699000e98db [2023-11-23 21:30:10,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:10,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:10,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:11,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:11,001 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:11,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_FIFOs.c [2023-11-23 21:30:14,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:14,596 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:14,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_FIFOs.c [2023-11-23 21:30:14,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/data/98e57a791/556afb5358974741b798d852b71d9006/FLAGe05d1dae2 [2023-11-23 21:30:14,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/data/98e57a791/556afb5358974741b798d852b71d9006 [2023-11-23 21:30:14,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:14,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:14,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:14,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:14,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:14,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:14" (1/1) ... [2023-11-23 21:30:14,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f01927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:14, skipping insertion in model container [2023-11-23 21:30:14,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:14" (1/1) ... [2023-11-23 21:30:14,735 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:14,927 WARN L240 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_d8d41c86-8011-4650-8a93-705fa85fba6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_FIFOs.c[1256,1269] [2023-11-23 21:30:15,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:15,534 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:15,553 WARN L240 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_d8d41c86-8011-4650-8a93-705fa85fba6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_FIFOs.c[1256,1269] [2023-11-23 21:30:15,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:15,831 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:15,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15 WrapperNode [2023-11-23 21:30:15,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:15,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:15,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:15,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:15,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:15,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:16,628 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5220 [2023-11-23 21:30:16,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:16,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:16,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:16,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:16,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:16,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:16,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:16,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:17,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:17,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:17,313 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:17,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:17,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:17,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:17,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:17,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:17,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (1/1) ... [2023-11-23 21:30:17,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:17,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:17,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:17,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:30:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:18,084 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:18,092 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:22,443 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:30:31,933 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:30:31,934 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:30:31,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:31 BoogieIcfgContainer [2023-11-23 21:30:31,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:30:32,052 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:30:32,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:30:32,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:30:32,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:14" (1/3) ... [2023-11-23 21:30:32,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8eceaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:32, skipping insertion in model container [2023-11-23 21:30:32,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:15" (2/3) ... [2023-11-23 21:30:32,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8eceaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:32, skipping insertion in model container [2023-11-23 21:30:32,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:31" (3/3) ... [2023-11-23 21:30:32,062 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_FIFOs.c [2023-11-23 21:30:32,082 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:30:32,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:30:32,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:30:32,148 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=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;@72825aac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:30:32,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:30:32,154 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) [2023-11-23 21:30:32,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:30:32,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:32,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:30:32,162 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:32,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:32,170 INFO L85 PathProgramCache]: Analyzing trace with hash 181903850, now seen corresponding path program 1 times [2023-11-23 21:30:32,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:32,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745613840] [2023-11-23 21:30:32,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:32,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:38,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:30:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:41,080 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:30:41,082 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:30:41,083 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:30:41,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:30:41,090 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:30:41,095 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:30:41,172 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 21:30:41,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:30:41 BoogieIcfgContainer [2023-11-23 21:30:41,209 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:30:41,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:30:41,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:30:41,211 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:30:41,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:31" (3/4) ... [2023-11-23 21:30:41,216 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:30:41,217 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:30:41,218 INFO L158 Benchmark]: Toolchain (without parser) took 26570.37ms. Allocated memory was 125.8MB in the beginning and 6.0GB in the end (delta: 5.9GB). Free memory was 81.6MB in the beginning and 5.6GB in the end (delta: -5.5GB). Peak memory consumption was 411.4MB. Max. memory is 16.1GB. [2023-11-23 21:30:41,219 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:41,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1183.09ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 81.1MB in the beginning and 91.9MB in the end (delta: -10.8MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2023-11-23 21:30:41,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 795.52ms. Allocated memory was 163.6MB in the beginning and 289.4MB in the end (delta: 125.8MB). Free memory was 91.9MB in the beginning and 176.3MB in the end (delta: -84.3MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. [2023-11-23 21:30:41,227 INFO L158 Benchmark]: Boogie Preprocessor took 829.54ms. Allocated memory is still 289.4MB. Free memory was 176.3MB in the beginning and 138.4MB in the end (delta: 37.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-23 21:30:41,228 INFO L158 Benchmark]: RCFGBuilder took 14476.48ms. Allocated memory was 289.4MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 137.4MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 541.3MB. Max. memory is 16.1GB. [2023-11-23 21:30:41,229 INFO L158 Benchmark]: TraceAbstraction took 9156.92ms. Allocated memory was 3.5GB in the beginning and 6.0GB in the end (delta: 2.5GB). Free memory was 3.3GB in the beginning and 5.6GB in the end (delta: -2.3GB). Peak memory consumption was 301.2MB. Max. memory is 16.1GB. [2023-11-23 21:30:41,230 INFO L158 Benchmark]: Witness Printer took 6.32ms. Allocated memory is still 6.0GB. Free memory is still 5.6GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:41,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1183.09ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 81.1MB in the beginning and 91.9MB in the end (delta: -10.8MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 795.52ms. Allocated memory was 163.6MB in the beginning and 289.4MB in the end (delta: 125.8MB). Free memory was 91.9MB in the beginning and 176.3MB in the end (delta: -84.3MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 829.54ms. Allocated memory is still 289.4MB. Free memory was 176.3MB in the beginning and 138.4MB in the end (delta: 37.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * RCFGBuilder took 14476.48ms. Allocated memory was 289.4MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 137.4MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 541.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9156.92ms. Allocated memory was 3.5GB in the beginning and 6.0GB in the end (delta: 2.5GB). Free memory was 3.3GB in the beginning and 5.6GB in the end (delta: -2.3GB). Peak memory consumption was 301.2MB. Max. memory is 16.1GB. * Witness Printer took 6.32ms. Allocated memory is still 6.0GB. Free memory is still 5.6GB. 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 bitwiseOr at line 226, overapproximation of bitwiseAnd at line 195. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 4); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (4 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L35] const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 2); [L36] const SORT_67 msb_SORT_67 = (SORT_67)1 << (2 - 1); [L38] const SORT_69 mask_SORT_69 = (SORT_69)-1 >> (sizeof(SORT_69) * 8 - 3); [L39] const SORT_69 msb_SORT_69 = (SORT_69)1 << (3 - 1); [L41] const SORT_3 var_7 = 0; [L42] const SORT_10 var_12 = 15; [L43] const SORT_1 var_19 = 1; [L44] const SORT_3 var_33 = 1; [L45] const SORT_3 var_40 = 3; [L46] const SORT_3 var_43 = 2; [L47] const SORT_3 var_51 = 5; [L48] const SORT_3 var_58 = 7; [L49] const SORT_3 var_61 = 6; [L50] const SORT_3 var_65 = 4; [L51] const SORT_3 var_77 = 9; [L52] const SORT_3 var_84 = 11; [L53] const SORT_3 var_87 = 10; [L54] const SORT_3 var_95 = 13; [L55] const SORT_3 var_102 = 15; [L56] const SORT_3 var_105 = 14; [L57] const SORT_3 var_109 = 12; [L58] const SORT_3 var_115 = 8; [L59] const SORT_10 var_191 = 1; [L60] const SORT_10 var_195 = 0; [L61] const SORT_1 var_228 = 0; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_1 input_5; [L66] SORT_1 input_6; [L67] SORT_10 input_188; [L68] SORT_3 input_268; [L69] SORT_3 input_271; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L71] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L72] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L73] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L76] SORT_3 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L77] SORT_3 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L78] SORT_3 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L79] SORT_3 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L80] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L81] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L82] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L83] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L84] SORT_3 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L85] SORT_3 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L86] SORT_3 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L87] SORT_3 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L88] SORT_3 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L89] SORT_3 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L90] SORT_3 state_98 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L91] SORT_3 state_100 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_122 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_124 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_128 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L95] SORT_3 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L96] SORT_3 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L97] SORT_3 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L98] SORT_3 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L99] SORT_3 state_142 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L100] SORT_3 state_148 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L101] SORT_3 state_150 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L102] SORT_3 state_153 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L103] SORT_3 state_155 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L104] SORT_3 state_159 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L105] SORT_3 state_161 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L106] SORT_3 state_164 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L107] SORT_3 state_166 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L109] SORT_3 init_9_arg_1 = var_7; [L110] state_8 = init_9_arg_1 [L111] SORT_3 init_15_arg_1 = var_7; [L112] state_14 = init_15_arg_1 [L113] SORT_3 init_17_arg_1 = var_7; [L114] state_16 = init_17_arg_1 [L115] SORT_1 init_21_arg_1 = var_19; [L116] state_20 = init_21_arg_1 [L117] SORT_1 init_26_arg_1 = var_19; [L118] state_25 = init_26_arg_1 [L119] SORT_3 init_30_arg_1 = var_7; [L120] state_29 = init_30_arg_1 [L121] SORT_3 init_32_arg_1 = var_7; [L122] state_31 = init_32_arg_1 [L123] SORT_3 init_37_arg_1 = var_7; [L124] state_36 = init_37_arg_1 [L125] SORT_3 init_39_arg_1 = var_7; [L126] state_38 = init_39_arg_1 [L127] SORT_3 init_48_arg_1 = var_7; [L128] state_47 = init_48_arg_1 [L129] SORT_3 init_50_arg_1 = var_7; [L130] state_49 = init_50_arg_1 [L131] SORT_3 init_55_arg_1 = var_7; [L132] state_54 = init_55_arg_1 [L133] SORT_3 init_57_arg_1 = var_7; [L134] state_56 = init_57_arg_1 [L135] SORT_3 init_74_arg_1 = var_7; [L136] state_73 = init_74_arg_1 [L137] SORT_3 init_76_arg_1 = var_7; [L138] state_75 = init_76_arg_1 [L139] SORT_3 init_81_arg_1 = var_7; [L140] state_80 = init_81_arg_1 [L141] SORT_3 init_83_arg_1 = var_7; [L142] state_82 = init_83_arg_1 [L143] SORT_3 init_92_arg_1 = var_7; [L144] state_91 = init_92_arg_1 [L145] SORT_3 init_94_arg_1 = var_7; [L146] state_93 = init_94_arg_1 [L147] SORT_3 init_99_arg_1 = var_7; [L148] state_98 = init_99_arg_1 [L149] SORT_3 init_101_arg_1 = var_7; [L150] state_100 = init_101_arg_1 [L151] SORT_3 init_123_arg_1 = var_7; [L152] state_122 = init_123_arg_1 [L153] SORT_3 init_125_arg_1 = var_7; [L154] state_124 = init_125_arg_1 [L155] SORT_3 init_129_arg_1 = var_7; [L156] state_128 = init_129_arg_1 [L157] SORT_3 init_131_arg_1 = var_7; [L158] state_130 = init_131_arg_1 [L159] SORT_3 init_136_arg_1 = var_7; [L160] state_135 = init_136_arg_1 [L161] SORT_3 init_138_arg_1 = var_7; [L162] state_137 = init_138_arg_1 [L163] SORT_3 init_141_arg_1 = var_7; [L164] state_140 = init_141_arg_1 [L165] SORT_3 init_143_arg_1 = var_7; [L166] state_142 = init_143_arg_1 [L167] SORT_3 init_149_arg_1 = var_7; [L168] state_148 = init_149_arg_1 [L169] SORT_3 init_151_arg_1 = var_7; [L170] state_150 = init_151_arg_1 [L171] SORT_3 init_154_arg_1 = var_7; [L172] state_153 = init_154_arg_1 [L173] SORT_3 init_156_arg_1 = var_7; [L174] state_155 = init_156_arg_1 [L175] SORT_3 init_160_arg_1 = var_7; [L176] state_159 = init_160_arg_1 [L177] SORT_3 init_162_arg_1 = var_7; [L178] state_161 = init_162_arg_1 [L179] SORT_3 init_165_arg_1 = var_7; [L180] state_164 = init_165_arg_1 [L181] SORT_3 init_167_arg_1 = var_7; [L182] state_166 = init_167_arg_1 VAL [init_101_arg_1=0, init_123_arg_1=0, init_125_arg_1=0, init_129_arg_1=0, init_131_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_141_arg_1=0, init_143_arg_1=0, init_149_arg_1=0, init_151_arg_1=0, init_154_arg_1=0, init_156_arg_1=0, init_15_arg_1=0, init_160_arg_1=0, init_162_arg_1=0, init_165_arg_1=0, init_167_arg_1=0, init_17_arg_1=0, init_21_arg_1=1, init_26_arg_1=1, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_99_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_3=15, mask_SORT_67=3, mask_SORT_69=7, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_3=8, msb_SORT_67=2, msb_SORT_69=4, state_100=0, state_122=0, state_124=0, state_128=0, state_130=0, state_135=0, state_137=0, state_140=0, state_142=0, state_148=0, state_14=0, state_150=0, state_153=0, state_155=0, state_159=0, state_161=0, state_164=0, state_166=0, state_16=0, state_20=1, state_25=1, state_29=0, state_31=0, state_36=0, state_38=0, state_47=0, state_49=0, state_54=0, state_56=0, state_73=0, state_75=0, state_80=0, state_82=0, state_8=0, state_91=0, state_93=0, state_98=0, var_102=15, var_105=14, var_109=12, var_115=8, var_12=15, var_191=1, var_195=0, var_19=1, var_228=0, var_33=1, var_40=3, var_43=2, var_51=5, var_58=7, var_61=6, var_65=4, var_77=9, var_7=0, var_84=11, var_87=10, var_95=13] [L185] input_2 = __VERIFIER_nondet_uchar() [L186] input_4 = __VERIFIER_nondet_uchar() [L187] input_5 = __VERIFIER_nondet_uchar() [L188] input_6 = __VERIFIER_nondet_uchar() [L189] input_188 = __VERIFIER_nondet_uint() [L190] input_268 = __VERIFIER_nondet_uchar() [L191] input_271 = __VERIFIER_nondet_uchar() [L194] SORT_3 var_11_arg_0 = state_8; [L195] EXPR var_11_arg_0 & mask_SORT_3 [L195] var_11_arg_0 = var_11_arg_0 & mask_SORT_3 [L196] SORT_10 var_11 = var_11_arg_0; [L197] SORT_10 var_13_arg_0 = var_11; [L198] SORT_10 var_13_arg_1 = var_12; [L199] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L200] SORT_3 var_18_arg_0 = state_14; [L201] SORT_3 var_18_arg_1 = state_16; [L202] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L203] SORT_1 var_22_arg_0 = state_20; [L204] SORT_1 var_22 = ~var_22_arg_0; [L205] SORT_1 var_23_arg_0 = var_18; [L206] SORT_1 var_23_arg_1 = var_22; [L207] EXPR var_23_arg_0 & var_23_arg_1 [L207] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L208] EXPR var_23 & mask_SORT_1 [L208] var_23 = var_23 & mask_SORT_1 [L209] SORT_1 var_24_arg_0 = var_13; [L210] SORT_1 var_24_arg_1 = var_23; [L211] SORT_1 var_24 = var_24_arg_0 == var_24_arg_1; [L212] SORT_1 var_27_arg_0 = state_25; [L213] SORT_1 var_27_arg_1 = state_20; [L214] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L215] SORT_1 var_28_arg_0 = var_24; [L216] SORT_1 var_28_arg_1 = var_27; [L217] EXPR var_28_arg_0 & var_28_arg_1 [L217] SORT_1 var_28 = var_28_arg_0 & var_28_arg_1; [L218] SORT_3 var_106_arg_0 = state_8; [L219] SORT_3 var_106_arg_1 = var_105; [L220] SORT_1 var_106 = var_106_arg_0 == var_106_arg_1; [L221] SORT_3 var_103_arg_0 = state_8; [L222] SORT_3 var_103_arg_1 = var_102; [L223] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L224] SORT_1 var_107_arg_0 = var_106; [L225] SORT_1 var_107_arg_1 = var_103; [L226] EXPR var_107_arg_0 | var_107_arg_1 [L226] SORT_1 var_107 = var_107_arg_0 | var_107_arg_1; [L227] EXPR var_107 & mask_SORT_1 [L227] var_107 = var_107 & mask_SORT_1 [L228] SORT_3 var_96_arg_0 = state_8; [L229] SORT_3 var_96_arg_1 = var_95; [L230] SORT_1 var_96 = var_96_arg_0 == var_96_arg_1; [L231] SORT_3 var_110_arg_0 = state_8; [L232] SORT_3 var_110_arg_1 = var_109; [L233] SORT_1 var_110 = var_110_arg_0 == var_110_arg_1; [L234] SORT_1 var_111_arg_0 = var_96; [L235] SORT_1 var_111_arg_1 = var_110; [L236] EXPR ((SORT_67)var_111_arg_0 << 1) | var_111_arg_1 [L236] SORT_67 var_111 = ((SORT_67)var_111_arg_0 << 1) | var_111_arg_1; [L237] EXPR var_111 & mask_SORT_67 [L237] var_111 = var_111 & mask_SORT_67 [L238] SORT_1 var_112_arg_0 = var_107; [L239] SORT_67 var_112_arg_1 = var_111; [L240] EXPR ((SORT_69)var_112_arg_0 << 2) | var_112_arg_1 [L240] SORT_69 var_112 = ((SORT_69)var_112_arg_0 << 2) | var_112_arg_1; [L241] EXPR var_112 & mask_SORT_69 [L241] var_112 = var_112 & mask_SORT_69 [L242] SORT_69 var_113_arg_0 = var_112; [L243] SORT_1 var_113 = var_113_arg_0 != 0; [L244] SORT_3 var_88_arg_0 = state_8; [L245] SORT_3 var_88_arg_1 = var_87; [L246] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L247] SORT_3 var_85_arg_0 = state_8; [L248] SORT_3 var_85_arg_1 = var_84; [L249] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L250] SORT_1 var_89_arg_0 = var_88; [L251] SORT_1 var_89_arg_1 = var_85; [L252] EXPR var_89_arg_0 | var_89_arg_1 [L252] SORT_1 var_89 = var_89_arg_0 | var_89_arg_1; [L253] EXPR var_89 & mask_SORT_1 [L253] var_89 = var_89 & mask_SORT_1 [L254] SORT_3 var_78_arg_0 = state_8; [L255] SORT_3 var_78_arg_1 = var_77; [L256] SORT_1 var_78 = var_78_arg_0 == var_78_arg_1; [L257] SORT_3 var_116_arg_0 = state_8; [L258] SORT_3 var_116_arg_1 = var_115; [L259] SORT_1 var_116 = var_116_arg_0 == var_116_arg_1; [L260] SORT_1 var_117_arg_0 = var_78; [L261] SORT_1 var_117_arg_1 = var_116; [L262] EXPR ((SORT_67)var_117_arg_0 << 1) | var_117_arg_1 [L262] SORT_67 var_117 = ((SORT_67)var_117_arg_0 << 1) | var_117_arg_1; [L263] EXPR var_117 & mask_SORT_67 [L263] var_117 = var_117 & mask_SORT_67 [L264] SORT_1 var_118_arg_0 = var_89; [L265] SORT_67 var_118_arg_1 = var_117; [L266] EXPR ((SORT_69)var_118_arg_0 << 2) | var_118_arg_1 [L266] SORT_69 var_118 = ((SORT_69)var_118_arg_0 << 2) | var_118_arg_1; [L267] EXPR var_118 & mask_SORT_69 [L267] var_118 = var_118 & mask_SORT_69 [L268] SORT_1 var_119_arg_0 = var_113; [L269] SORT_69 var_119_arg_1 = var_118; [L270] EXPR ((SORT_3)var_119_arg_0 << 3) | var_119_arg_1 [L270] SORT_3 var_119 = ((SORT_3)var_119_arg_0 << 3) | var_119_arg_1; [L271] EXPR var_119 & mask_SORT_3 [L271] var_119 = var_119 & mask_SORT_3 [L272] SORT_3 var_120_arg_0 = var_119; [L273] SORT_1 var_120 = var_120_arg_0 != 0; [L274] SORT_1 var_104_arg_0 = var_103; [L275] SORT_3 var_104_arg_1 = state_100; [L276] SORT_3 var_104_arg_2 = state_98; [L277] SORT_3 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L278] SORT_1 var_97_arg_0 = var_96; [L279] SORT_3 var_97_arg_1 = state_93; [L280] SORT_3 var_97_arg_2 = state_91; [L281] SORT_3 var_97 = var_97_arg_0 ? var_97_arg_1 : var_97_arg_2; [L282] SORT_1 var_108_arg_0 = var_107; [L283] SORT_3 var_108_arg_1 = var_104; [L284] SORT_3 var_108_arg_2 = var_97; [L285] SORT_3 var_108 = var_108_arg_0 ? var_108_arg_1 : var_108_arg_2; [L286] SORT_1 var_86_arg_0 = var_85; [L287] SORT_3 var_86_arg_1 = state_82; [L288] SORT_3 var_86_arg_2 = state_80; [L289] SORT_3 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L290] SORT_1 var_79_arg_0 = var_78; [L291] SORT_3 var_79_arg_1 = state_75; [L292] SORT_3 var_79_arg_2 = state_73; [L293] SORT_3 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L294] SORT_1 var_90_arg_0 = var_89; [L295] SORT_3 var_90_arg_1 = var_86; [L296] SORT_3 var_90_arg_2 = var_79; [L297] SORT_3 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L298] SORT_1 var_114_arg_0 = var_113; [L299] SORT_3 var_114_arg_1 = var_108; [L300] SORT_3 var_114_arg_2 = var_90; [L301] SORT_3 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L302] SORT_3 var_62_arg_0 = state_8; [L303] SORT_3 var_62_arg_1 = var_61; [L304] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L305] SORT_3 var_59_arg_0 = state_8; [L306] SORT_3 var_59_arg_1 = var_58; [L307] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L308] SORT_1 var_63_arg_0 = var_62; [L309] SORT_1 var_63_arg_1 = var_59; [L310] EXPR var_63_arg_0 | var_63_arg_1 [L310] SORT_1 var_63 = var_63_arg_0 | var_63_arg_1; [L311] EXPR var_63 & mask_SORT_1 [L311] var_63 = var_63 & mask_SORT_1 [L312] SORT_3 var_52_arg_0 = state_8; [L313] SORT_3 var_52_arg_1 = var_51; [L314] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L315] SORT_3 var_66_arg_0 = state_8; [L316] SORT_3 var_66_arg_1 = var_65; [L317] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L318] SORT_1 var_68_arg_0 = var_52; [L319] SORT_1 var_68_arg_1 = var_66; [L320] EXPR ((SORT_67)var_68_arg_0 << 1) | var_68_arg_1 [L320] SORT_67 var_68 = ((SORT_67)var_68_arg_0 << 1) | var_68_arg_1; [L321] EXPR var_68 & mask_SORT_67 [L321] var_68 = var_68 & mask_SORT_67 [L322] SORT_1 var_70_arg_0 = var_63; [L323] SORT_67 var_70_arg_1 = var_68; [L324] EXPR ((SORT_69)var_70_arg_0 << 2) | var_70_arg_1 [L324] SORT_69 var_70 = ((SORT_69)var_70_arg_0 << 2) | var_70_arg_1; [L325] EXPR var_70 & mask_SORT_69 [L325] var_70 = var_70 & mask_SORT_69 [L326] SORT_69 var_71_arg_0 = var_70; [L327] SORT_1 var_71 = var_71_arg_0 != 0; [L328] SORT_1 var_60_arg_0 = var_59; [L329] SORT_3 var_60_arg_1 = state_56; [L330] SORT_3 var_60_arg_2 = state_54; [L331] SORT_3 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L332] SORT_1 var_53_arg_0 = var_52; [L333] SORT_3 var_53_arg_1 = state_49; [L334] SORT_3 var_53_arg_2 = state_47; [L335] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L336] SORT_1 var_64_arg_0 = var_63; [L337] SORT_3 var_64_arg_1 = var_60; [L338] SORT_3 var_64_arg_2 = var_53; [L339] SORT_3 var_64 = var_64_arg_0 ? var_64_arg_1 : var_64_arg_2; [L340] SORT_3 var_44_arg_0 = state_8; [L341] SORT_3 var_44_arg_1 = var_43; [L342] SORT_1 var_44 = var_44_arg_0 == var_44_arg_1; [L343] SORT_3 var_41_arg_0 = state_8; [L344] SORT_3 var_41_arg_1 = var_40; [L345] SORT_1 var_41 = var_41_arg_0 == var_41_arg_1; [L346] SORT_1 var_45_arg_0 = var_44; [L347] SORT_1 var_45_arg_1 = var_41; [L348] EXPR var_45_arg_0 | var_45_arg_1 [L348] SORT_1 var_45 = var_45_arg_0 | var_45_arg_1; [L349] EXPR var_45 & mask_SORT_1 [L349] var_45 = var_45 & mask_SORT_1 [L350] SORT_1 var_42_arg_0 = var_41; [L351] SORT_3 var_42_arg_1 = state_38; [L352] SORT_3 var_42_arg_2 = state_36; [L353] SORT_3 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L354] SORT_3 var_34_arg_0 = state_8; [L355] SORT_3 var_34_arg_1 = var_33; [L356] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L357] SORT_1 var_35_arg_0 = var_34; [L358] SORT_3 var_35_arg_1 = state_31; [L359] SORT_3 var_35_arg_2 = state_29; [L360] SORT_3 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L361] SORT_1 var_46_arg_0 = var_45; [L362] SORT_3 var_46_arg_1 = var_42; [L363] SORT_3 var_46_arg_2 = var_35; [L364] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L365] SORT_1 var_72_arg_0 = var_71; [L366] SORT_3 var_72_arg_1 = var_64; [L367] SORT_3 var_72_arg_2 = var_46; [L368] SORT_3 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L369] SORT_1 var_121_arg_0 = var_120; [L370] SORT_3 var_121_arg_1 = var_114; [L371] SORT_3 var_121_arg_2 = var_72; [L372] SORT_3 var_121 = var_121_arg_0 ? var_121_arg_1 : var_121_arg_2; [L373] EXPR var_121 & mask_SORT_3 [L373] var_121 = var_121 & mask_SORT_3 [L374] SORT_3 var_171_arg_0 = state_14; [L375] SORT_1 var_171 = var_171_arg_0 >> 3; [L376] EXPR var_171 & mask_SORT_1 [L376] var_171 = var_171 & mask_SORT_1 [L377] SORT_3 var_146_arg_0 = state_14; [L378] SORT_1 var_146 = var_146_arg_0 >> 2; [L379] EXPR var_146 & mask_SORT_1 [L379] var_146 = var_146 & mask_SORT_1 [L380] SORT_3 var_133_arg_0 = state_14; [L381] SORT_1 var_133 = var_133_arg_0 >> 1; [L382] EXPR var_133 & mask_SORT_1 [L382] var_133 = var_133 & mask_SORT_1 [L383] SORT_3 var_126_arg_0 = state_14; [L384] SORT_1 var_126 = var_126_arg_0 >> 0; [L385] EXPR var_126 & mask_SORT_1 [L385] var_126 = var_126 & mask_SORT_1 [L386] SORT_1 var_168_arg_0 = var_126; [L387] SORT_3 var_168_arg_1 = state_166; [L388] SORT_3 var_168_arg_2 = state_164; [L389] SORT_3 var_168 = var_168_arg_0 ? var_168_arg_1 : var_168_arg_2; [L390] SORT_1 var_163_arg_0 = var_126; [L391] SORT_3 var_163_arg_1 = state_161; [L392] SORT_3 var_163_arg_2 = state_159; [L393] SORT_3 var_163 = var_163_arg_0 ? var_163_arg_1 : var_163_arg_2; [L394] SORT_1 var_169_arg_0 = var_133; [L395] SORT_3 var_169_arg_1 = var_168; [L396] SORT_3 var_169_arg_2 = var_163; [L397] SORT_3 var_169 = var_169_arg_0 ? var_169_arg_1 : var_169_arg_2; [L398] SORT_1 var_157_arg_0 = var_126; [L399] SORT_3 var_157_arg_1 = state_155; [L400] SORT_3 var_157_arg_2 = state_153; [L401] SORT_3 var_157 = var_157_arg_0 ? var_157_arg_1 : var_157_arg_2; [L402] SORT_1 var_152_arg_0 = var_126; [L403] SORT_3 var_152_arg_1 = state_150; [L404] SORT_3 var_152_arg_2 = state_148; [L405] SORT_3 var_152 = var_152_arg_0 ? var_152_arg_1 : var_152_arg_2; [L406] SORT_1 var_158_arg_0 = var_133; [L407] SORT_3 var_158_arg_1 = var_157; [L408] SORT_3 var_158_arg_2 = var_152; [L409] SORT_3 var_158 = var_158_arg_0 ? var_158_arg_1 : var_158_arg_2; [L410] SORT_1 var_170_arg_0 = var_146; [L411] SORT_3 var_170_arg_1 = var_169; [L412] SORT_3 var_170_arg_2 = var_158; [L413] SORT_3 var_170 = var_170_arg_0 ? var_170_arg_1 : var_170_arg_2; [L414] SORT_1 var_144_arg_0 = var_126; [L415] SORT_3 var_144_arg_1 = state_142; [L416] SORT_3 var_144_arg_2 = state_140; [L417] SORT_3 var_144 = var_144_arg_0 ? var_144_arg_1 : var_144_arg_2; [L418] SORT_1 var_139_arg_0 = var_126; [L419] SORT_3 var_139_arg_1 = state_137; [L420] SORT_3 var_139_arg_2 = state_135; [L421] SORT_3 var_139 = var_139_arg_0 ? var_139_arg_1 : var_139_arg_2; [L422] SORT_1 var_145_arg_0 = var_133; [L423] SORT_3 var_145_arg_1 = var_144; [L424] SORT_3 var_145_arg_2 = var_139; [L425] SORT_3 var_145 = var_145_arg_0 ? var_145_arg_1 : var_145_arg_2; [L426] SORT_1 var_132_arg_0 = var_126; [L427] SORT_3 var_132_arg_1 = state_130; [L428] SORT_3 var_132_arg_2 = state_128; [L429] SORT_3 var_132 = var_132_arg_0 ? var_132_arg_1 : var_132_arg_2; [L430] SORT_1 var_127_arg_0 = var_126; [L431] SORT_3 var_127_arg_1 = state_124; [L432] SORT_3 var_127_arg_2 = state_122; [L433] SORT_3 var_127 = var_127_arg_0 ? var_127_arg_1 : var_127_arg_2; [L434] SORT_1 var_134_arg_0 = var_133; [L435] SORT_3 var_134_arg_1 = var_132; [L436] SORT_3 var_134_arg_2 = var_127; [L437] SORT_3 var_134 = var_134_arg_0 ? var_134_arg_1 : var_134_arg_2; [L438] SORT_1 var_147_arg_0 = var_146; [L439] SORT_3 var_147_arg_1 = var_145; [L440] SORT_3 var_147_arg_2 = var_134; [L441] SORT_3 var_147 = var_147_arg_0 ? var_147_arg_1 : var_147_arg_2; [L442] SORT_1 var_172_arg_0 = var_171; [L443] SORT_3 var_172_arg_1 = var_170; [L444] SORT_3 var_172_arg_2 = var_147; [L445] SORT_3 var_172 = var_172_arg_0 ? var_172_arg_1 : var_172_arg_2; [L446] EXPR var_172 & mask_SORT_3 [L446] var_172 = var_172 & mask_SORT_3 [L447] SORT_3 var_173_arg_0 = var_121; [L448] SORT_3 var_173_arg_1 = var_172; [L449] SORT_1 var_173 = var_173_arg_0 == var_173_arg_1; [L450] SORT_1 var_174_arg_0 = state_25; [L451] SORT_1 var_174_arg_1 = var_173; [L452] EXPR var_174_arg_0 | var_174_arg_1 [L452] SORT_1 var_174 = var_174_arg_0 | var_174_arg_1; [L453] SORT_1 var_175_arg_0 = var_28; [L454] SORT_1 var_175_arg_1 = var_174; [L455] EXPR var_175_arg_0 & var_175_arg_1 [L455] SORT_1 var_175 = var_175_arg_0 & var_175_arg_1; [L456] EXPR var_175 & mask_SORT_1 [L456] var_175 = var_175 & mask_SORT_1 [L457] SORT_1 var_176_arg_0 = var_175; [L458] SORT_1 var_176_arg_1 = var_19; [L459] SORT_1 var_176 = var_176_arg_0 == var_176_arg_1; [L460] SORT_1 var_179_arg_0 = var_176; [L461] SORT_1 var_179 = ~var_179_arg_0; [L462] SORT_1 var_180_arg_0 = var_19; [L463] SORT_1 var_180_arg_1 = var_179; [L464] EXPR var_180_arg_0 & var_180_arg_1 [L464] SORT_1 var_180 = var_180_arg_0 & var_180_arg_1; [L465] EXPR var_180 & mask_SORT_1 [L465] var_180 = var_180 & mask_SORT_1 [L466] SORT_1 bad_181_arg_0 = var_180; [L467] CALL __VERIFIER_assert(!(bad_181_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, 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, 5.8s 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 [2023-11-23 21:30:41,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/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_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_FIFOs.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire --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 06ab3f6dfc5d0af96a725c547a1ce0851880572e04998680f4167699000e98db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:43,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:44,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 21:30:44,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:44,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:44,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:44,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:44,166 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:44,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:44,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:44,173 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:44,174 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:44,174 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:44,176 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:44,176 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:44,177 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:44,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:44,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:44,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:44,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:44,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:44,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:44,181 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:30:44,181 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:30:44,182 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:30:44,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:44,183 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:44,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:44,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:30:44,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:44,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:44,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:44,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:44,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:44,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:44,187 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:30:44,187 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:44,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:44,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:44,189 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:44,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:44,190 INFO L153 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_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06ab3f6dfc5d0af96a725c547a1ce0851880572e04998680f4167699000e98db [2023-11-23 21:30:44,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:44,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:44,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:44,705 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:44,705 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:44,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_FIFOs.c [2023-11-23 21:30:47,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:48,190 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:48,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_FIFOs.c [2023-11-23 21:30:48,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/data/187441f8b/010cb4ea366a4efe890d98d2aef8df97/FLAG4f83a7331 [2023-11-23 21:30:48,242 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/data/187441f8b/010cb4ea366a4efe890d98d2aef8df97 [2023-11-23 21:30:48,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:48,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:48,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:48,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:48,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:48,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:48" (1/1) ... [2023-11-23 21:30:48,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207f6a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:48, skipping insertion in model container [2023-11-23 21:30:48,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:48" (1/1) ... [2023-11-23 21:30:48,326 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:48,512 WARN L240 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_d8d41c86-8011-4650-8a93-705fa85fba6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_FIFOs.c[1256,1269] [2023-11-23 21:30:48,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:48,926 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:48,951 WARN L240 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_d8d41c86-8011-4650-8a93-705fa85fba6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_FIFOs.c[1256,1269] [2023-11-23 21:30:49,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:49,163 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:49,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49 WrapperNode [2023-11-23 21:30:49,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:49,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:49,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:49,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:49,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49" (1/1) ... [2023-11-23 21:30:49,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49" (1/1) ... [2023-11-23 21:30:49,413 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1770 [2023-11-23 21:30:49,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:49,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:49,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:49,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:49,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49" (1/1) ... [2023-11-23 21:30:49,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49" (1/1) ... [2023-11-23 21:30:49,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49" (1/1) ... [2023-11-23 21:30:49,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49" (1/1) ... [2023-11-23 21:30:49,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49" (1/1) ... [2023-11-23 21:30:49,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49" (1/1) ... [2023-11-23 21:30:49,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49" (1/1) ... [2023-11-23 21:30:49,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49" (1/1) ... [2023-11-23 21:30:49,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:49,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:49,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:49,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:49,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49" (1/1) ... [2023-11-23 21:30:49,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:49,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:49,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:49,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:30:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:50,143 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:50,145 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:52,349 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:30:52,451 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:30:52,452 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:30:52,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:52 BoogieIcfgContainer [2023-11-23 21:30:52,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:30:52,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:30:52,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:30:52,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:30:52,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:48" (1/3) ... [2023-11-23 21:30:52,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4649dd9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:52, skipping insertion in model container [2023-11-23 21:30:52,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:49" (2/3) ... [2023-11-23 21:30:52,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4649dd9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:52, skipping insertion in model container [2023-11-23 21:30:52,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:52" (3/3) ... [2023-11-23 21:30:52,461 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_FIFOs.c [2023-11-23 21:30:52,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:30:52,480 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:30:52,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:30:52,564 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=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;@dc7d2cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:30:52,565 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:30:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-11-23 21:30:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:30:52,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:52,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:30:52,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:52,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:52,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-23 21:30:52,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:52,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277769108] [2023-11-23 21:30:52,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:52,608 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 [2023-11-23 21:30:52,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:52,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:30:52,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:53,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-23 21:30:53,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:30:54,081 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:54,081 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:54,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277769108] [2023-11-23 21:30:54,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277769108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:54,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:54,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:30:54,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82977405] [2023-11-23 21:30:54,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:54,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:30:54,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:54,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:30:54,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:30:54,144 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-23 21:30:54,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:54,581 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-23 21:30:54,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:30:54,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-11-23 21:30:54,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:54,595 INFO L225 Difference]: With dead ends: 16 [2023-11-23 21:30:54,596 INFO L226 Difference]: Without dead ends: 9 [2023-11-23 21:30:54,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:30:54,604 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:54,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:30:54,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-23 21:30:54,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-23 21:30:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-11-23 21:30:54,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-23 21:30:54,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-23 21:30:54,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:54,651 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-23 21:30:54,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-23 21:30:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-23 21:30:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 21:30:54,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:54,652 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-23 21:30:54,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:54,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:54,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:54,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:54,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-23 21:30:54,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:54,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518421879] [2023-11-23 21:30:54,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:54,866 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 [2023-11-23 21:30:54,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:54,869 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:30:54,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d41c86-8011-4650-8a93-705fa85fba6c/bin/utaipan-verify-mE87zJ7Ire/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