./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 95941aa9b94eb68c259a2121738b5016c7e27e1ecdfd93242f944609798a4a7e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:18:40,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:18:40,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:18:40,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:18:40,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:18:40,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:18:40,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:18:40,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:18:40,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:18:40,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:18:40,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:18:40,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:18:40,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:18:40,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:18:40,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:18:40,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:18:40,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:18:40,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:18:40,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:18:40,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:18:40,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:18:40,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:18:40,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:18:40,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:18:40,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:18:40,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:18:40,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:18:40,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:18:40,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:18:40,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:18:40,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:18:40,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:18:40,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:18:40,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:18:40,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:18:40,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:18:40,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:18:40,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:18:40,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:18:40,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:18:40,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:18:40,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:18:40,316 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:18:40,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:18:40,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:18:40,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:18:40,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:18:40,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:18:40,320 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:18:40,320 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:18:40,320 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:18:40,321 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:18:40,322 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:18:40,322 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:18:40,323 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:18:40,323 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:18:40,323 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:18:40,324 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:18:40,324 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:18:40,324 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:18:40,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:18:40,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:18:40,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:18:40,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:18:40,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:18:40,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:18:40,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:18:40,328 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:18:40,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:18:40,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:18:40,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:18:40,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:18:40,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:18:40,330 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:18:40,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:18:40,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:18:40,331 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:18:40,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:18:40,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:18:40,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:18:40,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95941aa9b94eb68c259a2121738b5016c7e27e1ecdfd93242f944609798a4a7e [2022-11-19 08:18:40,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:18:40,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:18:40,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:18:40,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:18:40,764 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:18:40,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c [2022-11-19 08:18:40,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/data/02ffb5698/85d3aea4d14b4eabb527813180ee04b1/FLAG8bde37e34 [2022-11-19 08:18:41,599 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:18:41,600 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c [2022-11-19 08:18:41,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/data/02ffb5698/85d3aea4d14b4eabb527813180ee04b1/FLAG8bde37e34 [2022-11-19 08:18:41,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/data/02ffb5698/85d3aea4d14b4eabb527813180ee04b1 [2022-11-19 08:18:41,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:18:41,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:18:41,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:18:41,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:18:41,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:18:41,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:18:41" (1/1) ... [2022-11-19 08:18:41,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5064c43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:41, skipping insertion in model container [2022-11-19 08:18:41,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:18:41" (1/1) ... [2022-11-19 08:18:41,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:18:41,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:18:42,207 WARN L234 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_46b49ad5-b98d-4e11-934d-37b7501d03d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c[1107,1120] [2022-11-19 08:18:42,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:42,497 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:18:42,510 WARN L234 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_46b49ad5-b98d-4e11-934d-37b7501d03d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c[1107,1120] [2022-11-19 08:18:42,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:42,619 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:18:42,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42 WrapperNode [2022-11-19 08:18:42,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:18:42,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:18:42,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:18:42,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:18:42,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42" (1/1) ... [2022-11-19 08:18:42,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42" (1/1) ... [2022-11-19 08:18:42,747 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 917 [2022-11-19 08:18:42,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:18:42,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:18:42,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:18:42,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:18:42,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42" (1/1) ... [2022-11-19 08:18:42,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42" (1/1) ... [2022-11-19 08:18:42,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42" (1/1) ... [2022-11-19 08:18:42,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42" (1/1) ... [2022-11-19 08:18:42,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42" (1/1) ... [2022-11-19 08:18:42,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42" (1/1) ... [2022-11-19 08:18:42,813 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42" (1/1) ... [2022-11-19 08:18:42,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42" (1/1) ... [2022-11-19 08:18:42,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:18:42,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:18:42,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:18:42,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:18:42,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42" (1/1) ... [2022-11-19 08:18:42,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:18:42,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:18:42,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:18:42,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:18:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:18:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:18:43,254 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:18:43,257 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:18:44,462 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:18:45,687 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:18:45,687 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:18:45,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:45 BoogieIcfgContainer [2022-11-19 08:18:45,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:18:45,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:18:45,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:18:45,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:18:45,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:18:41" (1/3) ... [2022-11-19 08:18:45,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d3e529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:18:45, skipping insertion in model container [2022-11-19 08:18:45,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:42" (2/3) ... [2022-11-19 08:18:45,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d3e529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:18:45, skipping insertion in model container [2022-11-19 08:18:45,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:45" (3/3) ... [2022-11-19 08:18:45,709 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.v_non-pipelined-microprocessor.c [2022-11-19 08:18:45,732 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:18:45,732 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:18:45,817 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:18:45,830 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4ba5a99e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:18:45,830 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:18:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 08:18:45,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:45,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 08:18:45,844 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:45,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:45,852 INFO L85 PathProgramCache]: Analyzing trace with hash 19428945, now seen corresponding path program 1 times [2022-11-19 08:18:45,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:45,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898245625] [2022-11-19 08:18:45,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:45,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:18:49,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:18:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:18:51,518 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 08:18:51,523 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:18:51,524 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:18:51,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:18:51,533 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 08:18:51,538 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:18:51,607 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:18:51,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:18:51 BoogieIcfgContainer [2022-11-19 08:18:51,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:18:51,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:18:51,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:18:51,639 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:18:51,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:45" (3/4) ... [2022-11-19 08:18:51,644 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 08:18:51,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:18:51,648 INFO L158 Benchmark]: Toolchain (without parser) took 9763.89ms. Allocated memory was 155.2MB in the beginning and 335.5MB in the end (delta: 180.4MB). Free memory was 123.1MB in the beginning and 285.8MB in the end (delta: -162.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-11-19 08:18:51,649 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory was 53.7MB in the beginning and 53.7MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:18:51,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.56ms. Allocated memory is still 155.2MB. Free memory was 122.7MB in the beginning and 116.8MB in the end (delta: 5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:18:51,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.18ms. Allocated memory is still 155.2MB. Free memory was 116.8MB in the beginning and 109.7MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 08:18:51,659 INFO L158 Benchmark]: Boogie Preprocessor took 78.93ms. Allocated memory is still 155.2MB. Free memory was 109.7MB in the beginning and 105.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:18:51,660 INFO L158 Benchmark]: RCFGBuilder took 2869.17ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 105.5MB in the beginning and 126.6MB in the end (delta: -21.1MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2022-11-19 08:18:51,662 INFO L158 Benchmark]: TraceAbstraction took 5936.13ms. Allocated memory was 226.5MB in the beginning and 335.5MB in the end (delta: 109.1MB). Free memory was 125.5MB in the beginning and 285.8MB in the end (delta: -160.2MB). Peak memory consumption was 137.6MB. Max. memory is 16.1GB. [2022-11-19 08:18:51,663 INFO L158 Benchmark]: Witness Printer took 7.22ms. Allocated memory is still 335.5MB. Free memory was 285.8MB in the beginning and 285.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:18:51,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory was 53.7MB in the beginning and 53.7MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.56ms. Allocated memory is still 155.2MB. Free memory was 122.7MB in the beginning and 116.8MB in the end (delta: 5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.18ms. Allocated memory is still 155.2MB. Free memory was 116.8MB in the beginning and 109.7MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.93ms. Allocated memory is still 155.2MB. Free memory was 109.7MB in the beginning and 105.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2869.17ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 105.5MB in the beginning and 126.6MB in the end (delta: -21.1MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5936.13ms. Allocated memory was 226.5MB in the beginning and 335.5MB in the end (delta: 109.1MB). Free memory was 125.5MB in the beginning and 285.8MB in the end (delta: -160.2MB). Peak memory consumption was 137.6MB. Max. memory is 16.1GB. * Witness Printer took 7.22ms. Allocated memory is still 335.5MB. Free memory was 285.8MB in the beginning and 285.8MB in the end (delta: 2.7kB). 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: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 267, overapproximation of bitwiseAnd at line 108. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 12); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (12 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L34] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 32); [L35] const SORT_9 msb_SORT_9 = (SORT_9)1 << (32 - 1); [L37] const SORT_46 mask_SORT_46 = (SORT_46)-1 >> (sizeof(SORT_46) * 8 - 5); [L38] const SORT_46 msb_SORT_46 = (SORT_46)1 << (5 - 1); [L40] const SORT_3 var_4 = 576; [L41] const SORT_5 var_6 = 0; [L42] const SORT_9 var_11 = 6; [L43] const SORT_3 var_14 = 36; [L44] const SORT_9 var_16 = 5; [L45] const SORT_3 var_19 = 2544; [L46] const SORT_9 var_21 = 4; [L47] const SORT_3 var_24 = 9; [L48] const SORT_9 var_26 = 3; [L49] const SORT_3 var_29 = 54; [L50] const SORT_9 var_31 = 2; [L51] const SORT_3 var_34 = 18; [L52] const SORT_9 var_36 = 1; [L53] const SORT_9 var_40 = 0; [L54] const SORT_46 var_47 = 0; [L55] const SORT_46 var_79 = 1; [L56] const SORT_1 var_116 = 1; [L57] const SORT_9 var_159 = 7; [L59] SORT_1 input_2; [L60] SORT_46 input_143; [L61] SORT_46 input_156; [L62] SORT_46 input_167; [L63] SORT_46 input_174; [L64] SORT_46 input_181; [L65] SORT_46 input_188; [L66] SORT_46 input_195; [L67] SORT_46 input_202; [L69] SORT_5 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L70] SORT_46 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L71] SORT_46 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L72] SORT_46 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L73] SORT_46 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L74] SORT_46 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L75] SORT_46 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L76] SORT_46 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L78] SORT_5 init_8_arg_1 = var_6; [L79] state_7 = init_8_arg_1 [L80] SORT_46 init_49_arg_1 = var_47; [L81] state_48 = init_49_arg_1 [L82] SORT_46 init_51_arg_1 = var_47; [L83] state_50 = init_51_arg_1 [L84] SORT_46 init_57_arg_1 = var_47; [L85] state_56 = init_57_arg_1 [L86] SORT_46 init_65_arg_1 = var_47; [L87] state_64 = init_65_arg_1 [L88] SORT_46 init_70_arg_1 = var_47; [L89] state_69 = init_70_arg_1 [L90] SORT_46 init_75_arg_1 = var_47; [L91] state_74 = init_75_arg_1 [L92] SORT_46 init_81_arg_1 = var_79; [L93] state_80 = init_81_arg_1 VAL [init_49_arg_1=0, init_51_arg_1=0, init_57_arg_1=0, init_65_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_81_arg_1=1, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_3=4095, mask_SORT_46=31, mask_SORT_5=7, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=2048, msb_SORT_46=16, msb_SORT_5=4, msb_SORT_9=2147483648, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_7=0, state_74=0, state_80=1, var_11=6, var_116=1, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_4=576, var_40=0, var_47=0, var_6=0, var_79=1] [L96] input_2 = __VERIFIER_nondet_uchar() [L97] input_143 = __VERIFIER_nondet_uchar() [L98] input_156 = __VERIFIER_nondet_uchar() [L99] input_167 = __VERIFIER_nondet_uchar() [L100] input_174 = __VERIFIER_nondet_uchar() [L101] input_181 = __VERIFIER_nondet_uchar() [L102] input_188 = __VERIFIER_nondet_uchar() [L103] input_195 = __VERIFIER_nondet_uchar() [L104] input_202 = __VERIFIER_nondet_uchar() [L107] SORT_5 var_39_arg_0 = state_7; [L108] var_39_arg_0 = var_39_arg_0 & mask_SORT_5 [L109] SORT_9 var_39 = var_39_arg_0; [L110] SORT_9 var_41_arg_0 = var_39; [L111] SORT_9 var_41_arg_1 = var_40; [L112] SORT_1 var_41 = var_41_arg_0 == var_41_arg_1; [L113] SORT_5 var_35_arg_0 = state_7; [L114] var_35_arg_0 = var_35_arg_0 & mask_SORT_5 [L115] SORT_9 var_35 = var_35_arg_0; [L116] SORT_9 var_37_arg_0 = var_35; [L117] SORT_9 var_37_arg_1 = var_36; [L118] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L119] SORT_5 var_30_arg_0 = state_7; [L120] var_30_arg_0 = var_30_arg_0 & mask_SORT_5 [L121] SORT_9 var_30 = var_30_arg_0; [L122] SORT_9 var_32_arg_0 = var_30; [L123] SORT_9 var_32_arg_1 = var_31; [L124] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L125] SORT_5 var_25_arg_0 = state_7; [L126] var_25_arg_0 = var_25_arg_0 & mask_SORT_5 [L127] SORT_9 var_25 = var_25_arg_0; [L128] SORT_9 var_27_arg_0 = var_25; [L129] SORT_9 var_27_arg_1 = var_26; [L130] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L131] SORT_5 var_20_arg_0 = state_7; [L132] var_20_arg_0 = var_20_arg_0 & mask_SORT_5 [L133] SORT_9 var_20 = var_20_arg_0; [L134] SORT_9 var_22_arg_0 = var_20; [L135] SORT_9 var_22_arg_1 = var_21; [L136] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L137] SORT_5 var_15_arg_0 = state_7; [L138] var_15_arg_0 = var_15_arg_0 & mask_SORT_5 [L139] SORT_9 var_15 = var_15_arg_0; [L140] SORT_9 var_17_arg_0 = var_15; [L141] SORT_9 var_17_arg_1 = var_16; [L142] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L143] SORT_5 var_10_arg_0 = state_7; [L144] var_10_arg_0 = var_10_arg_0 & mask_SORT_5 [L145] SORT_9 var_10 = var_10_arg_0; [L146] SORT_9 var_12_arg_0 = var_10; [L147] SORT_9 var_12_arg_1 = var_11; [L148] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L149] SORT_1 var_13_arg_0 = var_12; [L150] SORT_3 var_13_arg_1 = var_4; [L151] SORT_3 var_13_arg_2 = var_4; [L152] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L153] SORT_1 var_18_arg_0 = var_17; [L154] SORT_3 var_18_arg_1 = var_14; [L155] SORT_3 var_18_arg_2 = var_13; [L156] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L157] SORT_1 var_23_arg_0 = var_22; [L158] SORT_3 var_23_arg_1 = var_19; [L159] SORT_3 var_23_arg_2 = var_18; [L160] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L161] SORT_1 var_28_arg_0 = var_27; [L162] SORT_3 var_28_arg_1 = var_24; [L163] SORT_3 var_28_arg_2 = var_23; [L164] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L165] SORT_1 var_33_arg_0 = var_32; [L166] SORT_3 var_33_arg_1 = var_29; [L167] SORT_3 var_33_arg_2 = var_28; [L168] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L169] SORT_1 var_38_arg_0 = var_37; [L170] SORT_3 var_38_arg_1 = var_34; [L171] SORT_3 var_38_arg_2 = var_33; [L172] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L173] SORT_1 var_42_arg_0 = var_41; [L174] SORT_3 var_42_arg_1 = var_14; [L175] SORT_3 var_42_arg_2 = var_38; [L176] SORT_3 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L177] SORT_3 var_43_arg_0 = var_42; [L178] SORT_5 var_43 = var_43_arg_0 >> 0; [L179] SORT_5 var_44_arg_0 = var_43; [L180] var_44_arg_0 = var_44_arg_0 & mask_SORT_5 [L181] SORT_9 var_44 = var_44_arg_0; [L182] SORT_9 var_45_arg_0 = var_44; [L183] SORT_9 var_45_arg_1 = var_21; [L184] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L185] SORT_3 var_52_arg_0 = var_42; [L186] SORT_5 var_52 = var_52_arg_0 >> 3; [L187] SORT_5 var_82_arg_0 = var_52; [L188] var_82_arg_0 = var_82_arg_0 & mask_SORT_5 [L189] SORT_9 var_82 = var_82_arg_0; [L190] SORT_9 var_83_arg_0 = var_82; [L191] SORT_9 var_83_arg_1 = var_40; [L192] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L193] SORT_5 var_76_arg_0 = var_52; [L194] var_76_arg_0 = var_76_arg_0 & mask_SORT_5 [L195] SORT_9 var_76 = var_76_arg_0; [L196] SORT_9 var_77_arg_0 = var_76; [L197] SORT_9 var_77_arg_1 = var_36; [L198] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L199] SORT_5 var_71_arg_0 = var_52; [L200] var_71_arg_0 = var_71_arg_0 & mask_SORT_5 [L201] SORT_9 var_71 = var_71_arg_0; [L202] SORT_9 var_72_arg_0 = var_71; [L203] SORT_9 var_72_arg_1 = var_31; [L204] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L205] SORT_5 var_66_arg_0 = var_52; [L206] var_66_arg_0 = var_66_arg_0 & mask_SORT_5 [L207] SORT_9 var_66 = var_66_arg_0; [L208] SORT_9 var_67_arg_0 = var_66; [L209] SORT_9 var_67_arg_1 = var_26; [L210] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L211] SORT_5 var_61_arg_0 = var_52; [L212] var_61_arg_0 = var_61_arg_0 & mask_SORT_5 [L213] SORT_9 var_61 = var_61_arg_0; [L214] SORT_9 var_62_arg_0 = var_61; [L215] SORT_9 var_62_arg_1 = var_21; [L216] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L217] SORT_5 var_58_arg_0 = var_52; [L218] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L219] SORT_9 var_58 = var_58_arg_0; [L220] SORT_9 var_59_arg_0 = var_58; [L221] SORT_9 var_59_arg_1 = var_16; [L222] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L223] SORT_5 var_53_arg_0 = var_52; [L224] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L225] SORT_9 var_53 = var_53_arg_0; [L226] SORT_9 var_54_arg_0 = var_53; [L227] SORT_9 var_54_arg_1 = var_11; [L228] SORT_1 var_54 = var_54_arg_0 == var_54_arg_1; [L229] SORT_1 var_55_arg_0 = var_54; [L230] SORT_46 var_55_arg_1 = state_50; [L231] SORT_46 var_55_arg_2 = state_48; [L232] SORT_46 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L233] SORT_1 var_60_arg_0 = var_59; [L234] SORT_46 var_60_arg_1 = state_56; [L235] SORT_46 var_60_arg_2 = var_55; [L236] SORT_46 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L237] SORT_1 var_63_arg_0 = var_62; [L238] SORT_46 var_63_arg_1 = state_56; [L239] SORT_46 var_63_arg_2 = var_60; [L240] SORT_46 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L241] SORT_1 var_68_arg_0 = var_67; [L242] SORT_46 var_68_arg_1 = state_64; [L243] SORT_46 var_68_arg_2 = var_63; [L244] SORT_46 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L245] SORT_1 var_73_arg_0 = var_72; [L246] SORT_46 var_73_arg_1 = state_69; [L247] SORT_46 var_73_arg_2 = var_68; [L248] SORT_46 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L249] SORT_1 var_78_arg_0 = var_77; [L250] SORT_46 var_78_arg_1 = state_74; [L251] SORT_46 var_78_arg_2 = var_73; [L252] SORT_46 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L253] SORT_1 var_84_arg_0 = var_83; [L254] SORT_46 var_84_arg_1 = state_80; [L255] SORT_46 var_84_arg_2 = var_78; [L256] SORT_46 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L257] SORT_46 var_85_arg_0 = var_84; [L258] var_85_arg_0 = var_85_arg_0 & mask_SORT_46 [L259] SORT_9 var_85 = var_85_arg_0; [L260] SORT_9 var_86_arg_0 = var_85; [L261] SORT_9 var_86_arg_1 = var_40; [L262] SORT_1 var_86 = var_86_arg_0 == var_86_arg_1; [L263] SORT_1 var_87_arg_0 = var_45; [L264] SORT_1 var_87_arg_1 = var_86; [L265] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L266] SORT_1 var_88_arg_0 = var_87; [L267] SORT_1 var_88 = ~var_88_arg_0; [L268] SORT_3 var_89_arg_0 = var_42; [L269] SORT_5 var_89 = var_89_arg_0 >> 6; [L270] SORT_5 var_108_arg_0 = var_89; [L271] var_108_arg_0 = var_108_arg_0 & mask_SORT_5 [L272] SORT_9 var_108 = var_108_arg_0; [L273] SORT_9 var_109_arg_0 = var_108; [L274] SORT_9 var_109_arg_1 = var_40; [L275] SORT_1 var_109 = var_109_arg_0 == var_109_arg_1; [L276] SORT_5 var_105_arg_0 = var_89; [L277] var_105_arg_0 = var_105_arg_0 & mask_SORT_5 [L278] SORT_9 var_105 = var_105_arg_0; [L279] SORT_9 var_106_arg_0 = var_105; [L280] SORT_9 var_106_arg_1 = var_36; [L281] SORT_1 var_106 = var_106_arg_0 == var_106_arg_1; [L282] SORT_5 var_102_arg_0 = var_89; [L283] var_102_arg_0 = var_102_arg_0 & mask_SORT_5 [L284] SORT_9 var_102 = var_102_arg_0; [L285] SORT_9 var_103_arg_0 = var_102; [L286] SORT_9 var_103_arg_1 = var_31; [L287] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L288] SORT_5 var_99_arg_0 = var_89; [L289] var_99_arg_0 = var_99_arg_0 & mask_SORT_5 [L290] SORT_9 var_99 = var_99_arg_0; [L291] SORT_9 var_100_arg_0 = var_99; [L292] SORT_9 var_100_arg_1 = var_26; [L293] SORT_1 var_100 = var_100_arg_0 == var_100_arg_1; [L294] SORT_5 var_96_arg_0 = var_89; [L295] var_96_arg_0 = var_96_arg_0 & mask_SORT_5 [L296] SORT_9 var_96 = var_96_arg_0; [L297] SORT_9 var_97_arg_0 = var_96; [L298] SORT_9 var_97_arg_1 = var_21; [L299] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L300] SORT_5 var_93_arg_0 = var_89; [L301] var_93_arg_0 = var_93_arg_0 & mask_SORT_5 [L302] SORT_9 var_93 = var_93_arg_0; [L303] SORT_9 var_94_arg_0 = var_93; [L304] SORT_9 var_94_arg_1 = var_16; [L305] SORT_1 var_94 = var_94_arg_0 == var_94_arg_1; [L306] SORT_5 var_90_arg_0 = var_89; [L307] var_90_arg_0 = var_90_arg_0 & mask_SORT_5 [L308] SORT_9 var_90 = var_90_arg_0; [L309] SORT_9 var_91_arg_0 = var_90; [L310] SORT_9 var_91_arg_1 = var_11; [L311] SORT_1 var_91 = var_91_arg_0 == var_91_arg_1; [L312] SORT_1 var_92_arg_0 = var_91; [L313] SORT_46 var_92_arg_1 = state_50; [L314] SORT_46 var_92_arg_2 = state_48; [L315] SORT_46 var_92 = var_92_arg_0 ? var_92_arg_1 : var_92_arg_2; [L316] SORT_1 var_95_arg_0 = var_94; [L317] SORT_46 var_95_arg_1 = state_56; [L318] SORT_46 var_95_arg_2 = var_92; [L319] SORT_46 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L320] SORT_1 var_98_arg_0 = var_97; [L321] SORT_46 var_98_arg_1 = state_56; [L322] SORT_46 var_98_arg_2 = var_95; [L323] SORT_46 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L324] SORT_1 var_101_arg_0 = var_100; [L325] SORT_46 var_101_arg_1 = state_64; [L326] SORT_46 var_101_arg_2 = var_98; [L327] SORT_46 var_101 = var_101_arg_0 ? var_101_arg_1 : var_101_arg_2; [L328] SORT_1 var_104_arg_0 = var_103; [L329] SORT_46 var_104_arg_1 = state_69; [L330] SORT_46 var_104_arg_2 = var_101; [L331] SORT_46 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L332] SORT_1 var_107_arg_0 = var_106; [L333] SORT_46 var_107_arg_1 = state_74; [L334] SORT_46 var_107_arg_2 = var_104; [L335] SORT_46 var_107 = var_107_arg_0 ? var_107_arg_1 : var_107_arg_2; [L336] SORT_1 var_110_arg_0 = var_109; [L337] SORT_46 var_110_arg_1 = state_80; [L338] SORT_46 var_110_arg_2 = var_107; [L339] SORT_46 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L340] SORT_46 var_111_arg_0 = var_110; [L341] SORT_5 var_111 = var_111_arg_0 >> 0; [L342] var_111 = var_111 & mask_SORT_5 [L343] SORT_5 var_112_arg_0 = state_7; [L344] SORT_5 var_112_arg_1 = var_111; [L345] SORT_1 var_112 = var_112_arg_0 == var_112_arg_1; [L346] SORT_1 var_113_arg_0 = var_88; [L347] SORT_1 var_113_arg_1 = var_112; [L348] SORT_1 var_113 = var_113_arg_0 & var_113_arg_1; [L349] SORT_1 var_117_arg_0 = var_113; [L350] SORT_1 var_117 = ~var_117_arg_0; [L351] SORT_1 var_118_arg_0 = var_116; [L352] SORT_1 var_118_arg_1 = var_117; [L353] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L354] var_118 = var_118 & mask_SORT_1 [L355] SORT_1 bad_119_arg_0 = var_118; [L356] CALL __VERIFIER_assert(!(bad_119_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] 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: 5.7s, 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, 3.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-19 08:18:51,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 95941aa9b94eb68c259a2121738b5016c7e27e1ecdfd93242f944609798a4a7e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:18:54,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:18:54,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:18:54,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:18:54,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:18:54,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:18:54,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:18:54,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:18:54,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:18:54,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:18:54,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:18:54,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:18:54,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:18:54,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:18:54,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:18:54,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:18:54,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:18:54,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:18:54,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:18:54,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:18:54,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:18:54,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:18:54,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:18:54,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:18:54,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:18:54,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:18:54,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:18:54,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:18:54,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:18:54,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:18:54,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:18:54,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:18:54,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:18:54,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:18:54,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:18:54,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:18:54,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:18:54,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:18:54,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:18:54,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:18:54,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:18:54,304 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 08:18:54,347 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:18:54,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:18:54,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:18:54,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:18:54,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:18:54,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:18:54,356 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:18:54,356 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:18:54,356 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:18:54,357 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:18:54,358 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:18:54,358 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:18:54,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:18:54,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:18:54,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:18:54,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:18:54,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:18:54,361 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:18:54,361 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 08:18:54,361 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 08:18:54,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:18:54,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:18:54,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:18:54,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:18:54,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 08:18:54,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:18:54,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:18:54,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:18:54,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:18:54,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:18:54,364 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 08:18:54,365 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 08:18:54,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:18:54,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:18:54,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 08:18:54,366 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95941aa9b94eb68c259a2121738b5016c7e27e1ecdfd93242f944609798a4a7e [2022-11-19 08:18:54,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:18:54,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:18:54,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:18:54,863 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:18:54,864 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:18:54,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c [2022-11-19 08:18:54,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/data/3a03a56c2/30ac841717ea4a2da66ab70042d99741/FLAG49fe4326d [2022-11-19 08:18:55,679 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:18:55,680 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c [2022-11-19 08:18:55,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/data/3a03a56c2/30ac841717ea4a2da66ab70042d99741/FLAG49fe4326d [2022-11-19 08:18:56,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/data/3a03a56c2/30ac841717ea4a2da66ab70042d99741 [2022-11-19 08:18:56,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:18:56,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:18:56,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:18:56,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:18:56,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:18:56,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef1c7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56, skipping insertion in model container [2022-11-19 08:18:56,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:18:56,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:18:56,248 WARN L234 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_46b49ad5-b98d-4e11-934d-37b7501d03d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c[1107,1120] [2022-11-19 08:18:56,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:56,530 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:18:56,543 WARN L234 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_46b49ad5-b98d-4e11-934d-37b7501d03d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c[1107,1120] [2022-11-19 08:18:56,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:56,648 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:18:56,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56 WrapperNode [2022-11-19 08:18:56,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:18:56,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:18:56,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:18:56,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:18:56,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,715 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 588 [2022-11-19 08:18:56,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:18:56,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:18:56,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:18:56,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:18:56,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,761 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:18:56,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:18:56,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:18:56,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:18:56,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56" (1/1) ... [2022-11-19 08:18:56,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:18:56,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:18:56,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:18:56,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:18:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:18:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:18:57,196 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:18:57,198 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:18:58,079 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:18:58,086 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:18:58,087 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:18:58,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:58 BoogieIcfgContainer [2022-11-19 08:18:58,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:18:58,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:18:58,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:18:58,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:18:58,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:18:56" (1/3) ... [2022-11-19 08:18:58,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c635a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:18:58, skipping insertion in model container [2022-11-19 08:18:58,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:56" (2/3) ... [2022-11-19 08:18:58,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c635a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:18:58, skipping insertion in model container [2022-11-19 08:18:58,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:58" (3/3) ... [2022-11-19 08:18:58,104 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.v_non-pipelined-microprocessor.c [2022-11-19 08:18:58,126 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:18:58,127 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:18:58,193 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:18:58,201 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3be2f4ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:18:58,201 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:18:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 08:18:58,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:58,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 08:18:58,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:18:58,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:58,238 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-19 08:18:58,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:18:58,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620390085] [2022-11-19 08:18:58,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:58,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:18:58,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:18:58,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:18:58,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 08:18:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:18:58,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:18:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:18:58,986 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-19 08:18:58,990 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:18:58,992 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:18:59,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:18:59,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:18:59,212 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 08:18:59,218 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:18:59,274 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:18:59,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:18:59 BoogieIcfgContainer [2022-11-19 08:18:59,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:18:59,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:18:59,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:18:59,309 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:18:59,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:58" (3/4) ... [2022-11-19 08:18:59,312 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-19 08:18:59,326 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:18:59,426 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:18:59,426 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:18:59,427 INFO L158 Benchmark]: Toolchain (without parser) took 3413.46ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 43.8MB in the beginning and 29.8MB in the end (delta: 14.1MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2022-11-19 08:18:59,428 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 32.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:18:59,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.66ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 35.7MB in the end (delta: 7.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 08:18:59,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.11ms. Allocated memory is still 65.0MB. Free memory was 35.7MB in the beginning and 30.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:18:59,429 INFO L158 Benchmark]: Boogie Preprocessor took 54.22ms. Allocated memory is still 65.0MB. Free memory was 30.8MB in the beginning and 27.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:18:59,430 INFO L158 Benchmark]: RCFGBuilder took 1318.66ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 27.5MB in the beginning and 47.9MB in the end (delta: -20.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-11-19 08:18:59,430 INFO L158 Benchmark]: TraceAbstraction took 1208.36ms. Allocated memory is still 88.1MB. Free memory was 47.3MB in the beginning and 37.1MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-11-19 08:18:59,431 INFO L158 Benchmark]: Witness Printer took 118.74ms. Allocated memory is still 88.1MB. Free memory was 37.1MB in the beginning and 29.8MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 08:18:59,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 32.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 634.66ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 35.7MB in the end (delta: 7.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.11ms. Allocated memory is still 65.0MB. Free memory was 35.7MB in the beginning and 30.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.22ms. Allocated memory is still 65.0MB. Free memory was 30.8MB in the beginning and 27.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1318.66ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 27.5MB in the beginning and 47.9MB in the end (delta: -20.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1208.36ms. Allocated memory is still 88.1MB. Free memory was 47.3MB in the beginning and 37.1MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Witness Printer took 118.74ms. Allocated memory is still 88.1MB. Free memory was 37.1MB in the beginning and 29.8MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 12); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (12 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L34] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 32); [L35] const SORT_9 msb_SORT_9 = (SORT_9)1 << (32 - 1); [L37] const SORT_46 mask_SORT_46 = (SORT_46)-1 >> (sizeof(SORT_46) * 8 - 5); [L38] const SORT_46 msb_SORT_46 = (SORT_46)1 << (5 - 1); [L40] const SORT_3 var_4 = 576; [L41] const SORT_5 var_6 = 0; [L42] const SORT_9 var_11 = 6; [L43] const SORT_3 var_14 = 36; [L44] const SORT_9 var_16 = 5; [L45] const SORT_3 var_19 = 2544; [L46] const SORT_9 var_21 = 4; [L47] const SORT_3 var_24 = 9; [L48] const SORT_9 var_26 = 3; [L49] const SORT_3 var_29 = 54; [L50] const SORT_9 var_31 = 2; [L51] const SORT_3 var_34 = 18; [L52] const SORT_9 var_36 = 1; [L53] const SORT_9 var_40 = 0; [L54] const SORT_46 var_47 = 0; [L55] const SORT_46 var_79 = 1; [L56] const SORT_1 var_116 = 1; [L57] const SORT_9 var_159 = 7; [L59] SORT_1 input_2; [L60] SORT_46 input_143; [L61] SORT_46 input_156; [L62] SORT_46 input_167; [L63] SORT_46 input_174; [L64] SORT_46 input_181; [L65] SORT_46 input_188; [L66] SORT_46 input_195; [L67] SORT_46 input_202; [L69] SORT_5 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L70] SORT_46 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L71] SORT_46 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L72] SORT_46 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L73] SORT_46 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L74] SORT_46 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L75] SORT_46 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L76] SORT_46 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L78] SORT_5 init_8_arg_1 = var_6; [L79] state_7 = init_8_arg_1 [L80] SORT_46 init_49_arg_1 = var_47; [L81] state_48 = init_49_arg_1 [L82] SORT_46 init_51_arg_1 = var_47; [L83] state_50 = init_51_arg_1 [L84] SORT_46 init_57_arg_1 = var_47; [L85] state_56 = init_57_arg_1 [L86] SORT_46 init_65_arg_1 = var_47; [L87] state_64 = init_65_arg_1 [L88] SORT_46 init_70_arg_1 = var_47; [L89] state_69 = init_70_arg_1 [L90] SORT_46 init_75_arg_1 = var_47; [L91] state_74 = init_75_arg_1 [L92] SORT_46 init_81_arg_1 = var_79; [L93] state_80 = init_81_arg_1 VAL [init_49_arg_1=0, init_51_arg_1=0, init_57_arg_1=0, init_65_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_81_arg_1=1, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_3=4095, mask_SORT_46=31, mask_SORT_5=7, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=2048, msb_SORT_46=16, msb_SORT_5=4, msb_SORT_9=2147483648, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_7=0, state_74=0, state_80=1, var_11=6, var_116=1, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_4=576, var_40=0, var_47=0, var_6=0, var_79=1] [L96] input_2 = __VERIFIER_nondet_uchar() [L97] input_143 = __VERIFIER_nondet_uchar() [L98] input_156 = __VERIFIER_nondet_uchar() [L99] input_167 = __VERIFIER_nondet_uchar() [L100] input_174 = __VERIFIER_nondet_uchar() [L101] input_181 = __VERIFIER_nondet_uchar() [L102] input_188 = __VERIFIER_nondet_uchar() [L103] input_195 = __VERIFIER_nondet_uchar() [L104] input_202 = __VERIFIER_nondet_uchar() [L107] SORT_5 var_39_arg_0 = state_7; [L108] var_39_arg_0 = var_39_arg_0 & mask_SORT_5 [L109] SORT_9 var_39 = var_39_arg_0; [L110] SORT_9 var_41_arg_0 = var_39; [L111] SORT_9 var_41_arg_1 = var_40; [L112] SORT_1 var_41 = var_41_arg_0 == var_41_arg_1; [L113] SORT_5 var_35_arg_0 = state_7; [L114] var_35_arg_0 = var_35_arg_0 & mask_SORT_5 [L115] SORT_9 var_35 = var_35_arg_0; [L116] SORT_9 var_37_arg_0 = var_35; [L117] SORT_9 var_37_arg_1 = var_36; [L118] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L119] SORT_5 var_30_arg_0 = state_7; [L120] var_30_arg_0 = var_30_arg_0 & mask_SORT_5 [L121] SORT_9 var_30 = var_30_arg_0; [L122] SORT_9 var_32_arg_0 = var_30; [L123] SORT_9 var_32_arg_1 = var_31; [L124] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L125] SORT_5 var_25_arg_0 = state_7; [L126] var_25_arg_0 = var_25_arg_0 & mask_SORT_5 [L127] SORT_9 var_25 = var_25_arg_0; [L128] SORT_9 var_27_arg_0 = var_25; [L129] SORT_9 var_27_arg_1 = var_26; [L130] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L131] SORT_5 var_20_arg_0 = state_7; [L132] var_20_arg_0 = var_20_arg_0 & mask_SORT_5 [L133] SORT_9 var_20 = var_20_arg_0; [L134] SORT_9 var_22_arg_0 = var_20; [L135] SORT_9 var_22_arg_1 = var_21; [L136] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L137] SORT_5 var_15_arg_0 = state_7; [L138] var_15_arg_0 = var_15_arg_0 & mask_SORT_5 [L139] SORT_9 var_15 = var_15_arg_0; [L140] SORT_9 var_17_arg_0 = var_15; [L141] SORT_9 var_17_arg_1 = var_16; [L142] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L143] SORT_5 var_10_arg_0 = state_7; [L144] var_10_arg_0 = var_10_arg_0 & mask_SORT_5 [L145] SORT_9 var_10 = var_10_arg_0; [L146] SORT_9 var_12_arg_0 = var_10; [L147] SORT_9 var_12_arg_1 = var_11; [L148] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L149] SORT_1 var_13_arg_0 = var_12; [L150] SORT_3 var_13_arg_1 = var_4; [L151] SORT_3 var_13_arg_2 = var_4; [L152] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L153] SORT_1 var_18_arg_0 = var_17; [L154] SORT_3 var_18_arg_1 = var_14; [L155] SORT_3 var_18_arg_2 = var_13; [L156] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L157] SORT_1 var_23_arg_0 = var_22; [L158] SORT_3 var_23_arg_1 = var_19; [L159] SORT_3 var_23_arg_2 = var_18; [L160] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L161] SORT_1 var_28_arg_0 = var_27; [L162] SORT_3 var_28_arg_1 = var_24; [L163] SORT_3 var_28_arg_2 = var_23; [L164] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L165] SORT_1 var_33_arg_0 = var_32; [L166] SORT_3 var_33_arg_1 = var_29; [L167] SORT_3 var_33_arg_2 = var_28; [L168] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L169] SORT_1 var_38_arg_0 = var_37; [L170] SORT_3 var_38_arg_1 = var_34; [L171] SORT_3 var_38_arg_2 = var_33; [L172] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L173] SORT_1 var_42_arg_0 = var_41; [L174] SORT_3 var_42_arg_1 = var_14; [L175] SORT_3 var_42_arg_2 = var_38; [L176] SORT_3 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L177] SORT_3 var_43_arg_0 = var_42; [L178] SORT_5 var_43 = var_43_arg_0 >> 0; [L179] SORT_5 var_44_arg_0 = var_43; [L180] var_44_arg_0 = var_44_arg_0 & mask_SORT_5 [L181] SORT_9 var_44 = var_44_arg_0; [L182] SORT_9 var_45_arg_0 = var_44; [L183] SORT_9 var_45_arg_1 = var_21; [L184] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L185] SORT_3 var_52_arg_0 = var_42; [L186] SORT_5 var_52 = var_52_arg_0 >> 3; [L187] SORT_5 var_82_arg_0 = var_52; [L188] var_82_arg_0 = var_82_arg_0 & mask_SORT_5 [L189] SORT_9 var_82 = var_82_arg_0; [L190] SORT_9 var_83_arg_0 = var_82; [L191] SORT_9 var_83_arg_1 = var_40; [L192] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L193] SORT_5 var_76_arg_0 = var_52; [L194] var_76_arg_0 = var_76_arg_0 & mask_SORT_5 [L195] SORT_9 var_76 = var_76_arg_0; [L196] SORT_9 var_77_arg_0 = var_76; [L197] SORT_9 var_77_arg_1 = var_36; [L198] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L199] SORT_5 var_71_arg_0 = var_52; [L200] var_71_arg_0 = var_71_arg_0 & mask_SORT_5 [L201] SORT_9 var_71 = var_71_arg_0; [L202] SORT_9 var_72_arg_0 = var_71; [L203] SORT_9 var_72_arg_1 = var_31; [L204] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L205] SORT_5 var_66_arg_0 = var_52; [L206] var_66_arg_0 = var_66_arg_0 & mask_SORT_5 [L207] SORT_9 var_66 = var_66_arg_0; [L208] SORT_9 var_67_arg_0 = var_66; [L209] SORT_9 var_67_arg_1 = var_26; [L210] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L211] SORT_5 var_61_arg_0 = var_52; [L212] var_61_arg_0 = var_61_arg_0 & mask_SORT_5 [L213] SORT_9 var_61 = var_61_arg_0; [L214] SORT_9 var_62_arg_0 = var_61; [L215] SORT_9 var_62_arg_1 = var_21; [L216] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L217] SORT_5 var_58_arg_0 = var_52; [L218] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L219] SORT_9 var_58 = var_58_arg_0; [L220] SORT_9 var_59_arg_0 = var_58; [L221] SORT_9 var_59_arg_1 = var_16; [L222] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L223] SORT_5 var_53_arg_0 = var_52; [L224] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L225] SORT_9 var_53 = var_53_arg_0; [L226] SORT_9 var_54_arg_0 = var_53; [L227] SORT_9 var_54_arg_1 = var_11; [L228] SORT_1 var_54 = var_54_arg_0 == var_54_arg_1; [L229] SORT_1 var_55_arg_0 = var_54; [L230] SORT_46 var_55_arg_1 = state_50; [L231] SORT_46 var_55_arg_2 = state_48; [L232] SORT_46 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L233] SORT_1 var_60_arg_0 = var_59; [L234] SORT_46 var_60_arg_1 = state_56; [L235] SORT_46 var_60_arg_2 = var_55; [L236] SORT_46 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L237] SORT_1 var_63_arg_0 = var_62; [L238] SORT_46 var_63_arg_1 = state_56; [L239] SORT_46 var_63_arg_2 = var_60; [L240] SORT_46 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L241] SORT_1 var_68_arg_0 = var_67; [L242] SORT_46 var_68_arg_1 = state_64; [L243] SORT_46 var_68_arg_2 = var_63; [L244] SORT_46 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L245] SORT_1 var_73_arg_0 = var_72; [L246] SORT_46 var_73_arg_1 = state_69; [L247] SORT_46 var_73_arg_2 = var_68; [L248] SORT_46 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L249] SORT_1 var_78_arg_0 = var_77; [L250] SORT_46 var_78_arg_1 = state_74; [L251] SORT_46 var_78_arg_2 = var_73; [L252] SORT_46 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L253] SORT_1 var_84_arg_0 = var_83; [L254] SORT_46 var_84_arg_1 = state_80; [L255] SORT_46 var_84_arg_2 = var_78; [L256] SORT_46 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L257] SORT_46 var_85_arg_0 = var_84; [L258] var_85_arg_0 = var_85_arg_0 & mask_SORT_46 [L259] SORT_9 var_85 = var_85_arg_0; [L260] SORT_9 var_86_arg_0 = var_85; [L261] SORT_9 var_86_arg_1 = var_40; [L262] SORT_1 var_86 = var_86_arg_0 == var_86_arg_1; [L263] SORT_1 var_87_arg_0 = var_45; [L264] SORT_1 var_87_arg_1 = var_86; [L265] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L266] SORT_1 var_88_arg_0 = var_87; [L267] SORT_1 var_88 = ~var_88_arg_0; [L268] SORT_3 var_89_arg_0 = var_42; [L269] SORT_5 var_89 = var_89_arg_0 >> 6; [L270] SORT_5 var_108_arg_0 = var_89; [L271] var_108_arg_0 = var_108_arg_0 & mask_SORT_5 [L272] SORT_9 var_108 = var_108_arg_0; [L273] SORT_9 var_109_arg_0 = var_108; [L274] SORT_9 var_109_arg_1 = var_40; [L275] SORT_1 var_109 = var_109_arg_0 == var_109_arg_1; [L276] SORT_5 var_105_arg_0 = var_89; [L277] var_105_arg_0 = var_105_arg_0 & mask_SORT_5 [L278] SORT_9 var_105 = var_105_arg_0; [L279] SORT_9 var_106_arg_0 = var_105; [L280] SORT_9 var_106_arg_1 = var_36; [L281] SORT_1 var_106 = var_106_arg_0 == var_106_arg_1; [L282] SORT_5 var_102_arg_0 = var_89; [L283] var_102_arg_0 = var_102_arg_0 & mask_SORT_5 [L284] SORT_9 var_102 = var_102_arg_0; [L285] SORT_9 var_103_arg_0 = var_102; [L286] SORT_9 var_103_arg_1 = var_31; [L287] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L288] SORT_5 var_99_arg_0 = var_89; [L289] var_99_arg_0 = var_99_arg_0 & mask_SORT_5 [L290] SORT_9 var_99 = var_99_arg_0; [L291] SORT_9 var_100_arg_0 = var_99; [L292] SORT_9 var_100_arg_1 = var_26; [L293] SORT_1 var_100 = var_100_arg_0 == var_100_arg_1; [L294] SORT_5 var_96_arg_0 = var_89; [L295] var_96_arg_0 = var_96_arg_0 & mask_SORT_5 [L296] SORT_9 var_96 = var_96_arg_0; [L297] SORT_9 var_97_arg_0 = var_96; [L298] SORT_9 var_97_arg_1 = var_21; [L299] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L300] SORT_5 var_93_arg_0 = var_89; [L301] var_93_arg_0 = var_93_arg_0 & mask_SORT_5 [L302] SORT_9 var_93 = var_93_arg_0; [L303] SORT_9 var_94_arg_0 = var_93; [L304] SORT_9 var_94_arg_1 = var_16; [L305] SORT_1 var_94 = var_94_arg_0 == var_94_arg_1; [L306] SORT_5 var_90_arg_0 = var_89; [L307] var_90_arg_0 = var_90_arg_0 & mask_SORT_5 [L308] SORT_9 var_90 = var_90_arg_0; [L309] SORT_9 var_91_arg_0 = var_90; [L310] SORT_9 var_91_arg_1 = var_11; [L311] SORT_1 var_91 = var_91_arg_0 == var_91_arg_1; [L312] SORT_1 var_92_arg_0 = var_91; [L313] SORT_46 var_92_arg_1 = state_50; [L314] SORT_46 var_92_arg_2 = state_48; [L315] SORT_46 var_92 = var_92_arg_0 ? var_92_arg_1 : var_92_arg_2; [L316] SORT_1 var_95_arg_0 = var_94; [L317] SORT_46 var_95_arg_1 = state_56; [L318] SORT_46 var_95_arg_2 = var_92; [L319] SORT_46 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L320] SORT_1 var_98_arg_0 = var_97; [L321] SORT_46 var_98_arg_1 = state_56; [L322] SORT_46 var_98_arg_2 = var_95; [L323] SORT_46 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L324] SORT_1 var_101_arg_0 = var_100; [L325] SORT_46 var_101_arg_1 = state_64; [L326] SORT_46 var_101_arg_2 = var_98; [L327] SORT_46 var_101 = var_101_arg_0 ? var_101_arg_1 : var_101_arg_2; [L328] SORT_1 var_104_arg_0 = var_103; [L329] SORT_46 var_104_arg_1 = state_69; [L330] SORT_46 var_104_arg_2 = var_101; [L331] SORT_46 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L332] SORT_1 var_107_arg_0 = var_106; [L333] SORT_46 var_107_arg_1 = state_74; [L334] SORT_46 var_107_arg_2 = var_104; [L335] SORT_46 var_107 = var_107_arg_0 ? var_107_arg_1 : var_107_arg_2; [L336] SORT_1 var_110_arg_0 = var_109; [L337] SORT_46 var_110_arg_1 = state_80; [L338] SORT_46 var_110_arg_2 = var_107; [L339] SORT_46 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L340] SORT_46 var_111_arg_0 = var_110; [L341] SORT_5 var_111 = var_111_arg_0 >> 0; [L342] var_111 = var_111 & mask_SORT_5 [L343] SORT_5 var_112_arg_0 = state_7; [L344] SORT_5 var_112_arg_1 = var_111; [L345] SORT_1 var_112 = var_112_arg_0 == var_112_arg_1; [L346] SORT_1 var_113_arg_0 = var_88; [L347] SORT_1 var_113_arg_1 = var_112; [L348] SORT_1 var_113 = var_113_arg_0 & var_113_arg_1; [L349] SORT_1 var_117_arg_0 = var_113; [L350] SORT_1 var_117 = ~var_117_arg_0; [L351] SORT_1 var_118_arg_0 = var_116; [L352] SORT_1 var_118_arg_1 = var_117; [L353] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L354] var_118 = var_118 & mask_SORT_1 [L355] SORT_1 bad_119_arg_0 = var_118; [L356] CALL __VERIFIER_assert(!(bad_119_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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=11occurred 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 proved your program to be incorrect! [2022-11-19 08:18:59,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b49ad5-b98d-4e11-934d-37b7501d03d9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE