./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e8119067df6ea638c7dff7ae73c7e9b057c24dc998e1f418f029ed1f7540da97 --- 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-6b4ec56 [2022-11-20 11:45:37,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:45:37,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:45:37,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:45:37,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:45:37,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:45:37,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:45:37,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:45:37,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:45:37,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:45:37,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:45:37,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:45:37,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:45:37,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:45:37,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:45:37,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:45:37,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:45:37,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:45:37,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:45:37,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:45:37,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:45:37,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:45:37,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:45:37,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:45:37,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:45:37,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:45:37,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:45:37,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:45:37,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:45:37,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:45:37,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:45:37,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:45:37,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:45:37,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:45:37,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:45:37,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:45:37,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:45:37,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:45:37,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:45:37,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:45:37,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:45:37,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:45:37,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:45:37,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:45:37,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:45:37,123 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:45:37,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:45:37,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:45:37,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:45:37,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:45:37,126 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:45:37,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:45:37,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:45:37,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:45:37,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:45:37,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:45:37,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:45:37,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:45:37,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:45:37,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:45:37,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:45:37,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:45:37,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:45:37,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:45:37,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:45:37,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:45:37,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:45:37,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:45:37,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:45:37,131 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:45:37,131 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:45:37,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:45:37,132 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_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8119067df6ea638c7dff7ae73c7e9b057c24dc998e1f418f029ed1f7540da97 [2022-11-20 11:45:37,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:45:37,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:45:37,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:45:37,459 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:45:37,460 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:45:37,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c [2022-11-20 11:45:40,575 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:45:40,870 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:45:40,870 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c [2022-11-20 11:45:40,879 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/data/63fdf7d00/408bcf364ff94ea98fd62f5da945e2e3/FLAGdd481cfce [2022-11-20 11:45:40,899 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/data/63fdf7d00/408bcf364ff94ea98fd62f5da945e2e3 [2022-11-20 11:45:40,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:45:40,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:45:40,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:45:40,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:45:40,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:45:40,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:45:40" (1/1) ... [2022-11-20 11:45:40,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30607669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:40, skipping insertion in model container [2022-11-20 11:45:40,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:45:40" (1/1) ... [2022-11-20 11:45:40,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:45:40,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:45:41,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c[1107,1120] [2022-11-20 11:45:41,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:45:41,146 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:45:41,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c[1107,1120] [2022-11-20 11:45:41,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:45:41,223 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:45:41,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41 WrapperNode [2022-11-20 11:45:41,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:45:41,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:45:41,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:45:41,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:45:41,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41" (1/1) ... [2022-11-20 11:45:41,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41" (1/1) ... [2022-11-20 11:45:41,293 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2022-11-20 11:45:41,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:45:41,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:45:41,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:45:41,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:45:41,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41" (1/1) ... [2022-11-20 11:45:41,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41" (1/1) ... [2022-11-20 11:45:41,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41" (1/1) ... [2022-11-20 11:45:41,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41" (1/1) ... [2022-11-20 11:45:41,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41" (1/1) ... [2022-11-20 11:45:41,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41" (1/1) ... [2022-11-20 11:45:41,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41" (1/1) ... [2022-11-20 11:45:41,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41" (1/1) ... [2022-11-20 11:45:41,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:45:41,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:45:41,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:45:41,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:45:41,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41" (1/1) ... [2022-11-20 11:45:41,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:45:41,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:45:41,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:45:41,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:45:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:45:41,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:45:41,519 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:45:41,522 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:45:42,490 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:45:42,499 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:45:42,501 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:45:42,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:45:42 BoogieIcfgContainer [2022-11-20 11:45:42,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:45:42,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:45:42,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:45:42,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:45:42,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:45:40" (1/3) ... [2022-11-20 11:45:42,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7877a6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:45:42, skipping insertion in model container [2022-11-20 11:45:42,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:41" (2/3) ... [2022-11-20 11:45:42,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7877a6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:45:42, skipping insertion in model container [2022-11-20 11:45:42,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:45:42" (3/3) ... [2022-11-20 11:45:42,525 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_rotate32.c [2022-11-20 11:45:42,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:45:42,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:45:42,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:45:42,632 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=PETRI_NET, 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;@37035b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:45:42,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:45:42,637 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) [2022-11-20 11:45:42,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 11:45:42,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:42,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 11:45:42,646 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:42,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:42,655 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 11:45:42,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:45:42,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796650530] [2022-11-20 11:45:42,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:42,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:45:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:45:42,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:45:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:45:42,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:45:42,959 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:45:42,961 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:45:42,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:45:42,969 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 11:45:42,973 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:45:43,000 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 11:45:43,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:45:43 BoogieIcfgContainer [2022-11-20 11:45:43,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:45:43,012 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:45:43,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:45:43,013 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:45:43,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:45:42" (3/4) ... [2022-11-20 11:45:43,018 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:45:43,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:45:43,019 INFO L158 Benchmark]: Toolchain (without parser) took 2115.17ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 132.2MB in the beginning and 157.9MB in the end (delta: -25.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-20 11:45:43,020 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:45:43,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.87ms. Allocated memory is still 163.6MB. Free memory was 132.2MB in the beginning and 118.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:45:43,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.31ms. Allocated memory is still 163.6MB. Free memory was 118.8MB in the beginning and 116.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:45:43,024 INFO L158 Benchmark]: Boogie Preprocessor took 29.68ms. Allocated memory is still 163.6MB. Free memory was 116.2MB in the beginning and 114.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:45:43,028 INFO L158 Benchmark]: RCFGBuilder took 1180.15ms. Allocated memory is still 163.6MB. Free memory was 114.8MB in the beginning and 70.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 11:45:43,029 INFO L158 Benchmark]: TraceAbstraction took 502.60ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 70.0MB in the beginning and 158.9MB in the end (delta: -89.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:45:43,030 INFO L158 Benchmark]: Witness Printer took 5.55ms. Allocated memory is still 197.1MB. Free memory was 158.9MB in the beginning and 157.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:45:43,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.87ms. Allocated memory is still 163.6MB. Free memory was 132.2MB in the beginning and 118.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.31ms. Allocated memory is still 163.6MB. Free memory was 118.8MB in the beginning and 116.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.68ms. Allocated memory is still 163.6MB. Free memory was 116.2MB in the beginning and 114.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1180.15ms. Allocated memory is still 163.6MB. Free memory was 114.8MB in the beginning and 70.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 502.60ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 70.0MB in the beginning and 158.9MB in the end (delta: -89.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.55ms. Allocated memory is still 197.1MB. Free memory was 158.9MB in the beginning and 157.9MB in the end (delta: 1.0MB). 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 84, overapproximation of bitwiseAnd at line 89. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L34] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 31); [L35] const SORT_22 msb_SORT_22 = (SORT_22)1 << (31 - 1); [L37] const SORT_29 mask_SORT_29 = (SORT_29)-1 >> (sizeof(SORT_29) * 8 - 30); [L38] const SORT_29 msb_SORT_29 = (SORT_29)1 << (30 - 1); [L40] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 2); [L41] const SORT_31 msb_SORT_31 = (SORT_31)1 << (2 - 1); [L43] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 28); [L44] const SORT_37 msb_SORT_37 = (SORT_37)1 << (28 - 1); [L46] const SORT_39 mask_SORT_39 = (SORT_39)-1 >> (sizeof(SORT_39) * 8 - 4); [L47] const SORT_39 msb_SORT_39 = (SORT_39)1 << (4 - 1); [L49] const SORT_45 mask_SORT_45 = (SORT_45)-1 >> (sizeof(SORT_45) * 8 - 24); [L50] const SORT_45 msb_SORT_45 = (SORT_45)1 << (24 - 1); [L52] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 8); [L53] const SORT_47 msb_SORT_47 = (SORT_47)1 << (8 - 1); [L55] const SORT_53 mask_SORT_53 = (SORT_53)-1 >> (sizeof(SORT_53) * 8 - 16); [L56] const SORT_53 msb_SORT_53 = (SORT_53)1 << (16 - 1); [L58] const SORT_5 var_7 = 0; [L59] const SORT_5 var_10 = 2863311530; [L60] const SORT_3 var_15 = 1; [L62] SORT_1 input_2; [L63] SORT_3 input_4; [L64] SORT_5 input_6; [L66] SORT_5 state_8 = __VERIFIER_nondet_uint() & mask_SORT_5; [L67] SORT_5 state_19 = __VERIFIER_nondet_uint() & mask_SORT_5; [L69] SORT_5 init_9_arg_1 = var_7; [L70] state_8 = init_9_arg_1 [L71] SORT_5 init_20_arg_1 = var_7; [L72] state_19 = init_20_arg_1 VAL [init_20_arg_1=0, init_9_arg_1=0, mask_SORT_1=31, mask_SORT_22=4294967295, mask_SORT_29=4294967295, mask_SORT_3=1, mask_SORT_31=3, mask_SORT_37=4294967295, mask_SORT_39=15, mask_SORT_45=4294967295, mask_SORT_47=255, mask_SORT_5=4294967295, mask_SORT_53=65535, msb_SORT_1=16, msb_SORT_22=1073741824, msb_SORT_29=536870912, msb_SORT_3=1, msb_SORT_31=2, msb_SORT_37=134217728, msb_SORT_39=8, msb_SORT_45=8388608, msb_SORT_47=128, msb_SORT_5=2147483648, msb_SORT_53=32768, state_19=0, state_8=0, var_10=2863311530, var_15=1, var_7=0] [L75] input_2 = __VERIFIER_nondet_uchar() [L76] input_4 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uint() [L80] SORT_5 var_11_arg_0 = state_8; [L81] SORT_5 var_11_arg_1 = var_10; [L82] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L83] SORT_3 var_12_arg_0 = var_11; [L84] SORT_3 var_12 = ~var_12_arg_0; [L85] SORT_3 var_16_arg_0 = var_12; [L86] SORT_3 var_16 = ~var_16_arg_0; [L87] SORT_3 var_17_arg_0 = var_15; [L88] SORT_3 var_17_arg_1 = var_16; [L89] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L90] var_17 = var_17 & mask_SORT_3 [L91] SORT_3 bad_18_arg_0 = var_17; [L92] CALL __VERIFIER_assert(!(bad_18_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: 0.4s, 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: 0.0s 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 could not prove your program: unable to determine feasibility of some traces [2022-11-20 11:45:43,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e8119067df6ea638c7dff7ae73c7e9b057c24dc998e1f418f029ed1f7540da97 --- 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-6b4ec56 [2022-11-20 11:45:45,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:45:45,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:45:45,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:45:45,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:45:45,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:45:45,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:45:45,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:45:45,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:45:45,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:45:45,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:45:45,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:45:45,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:45:45,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:45:45,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:45:45,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:45:45,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:45:45,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:45:45,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:45:45,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:45:45,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:45:45,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:45:45,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:45:45,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:45:45,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:45:45,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:45:45,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:45:45,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:45:45,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:45:45,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:45:45,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:45:45,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:45:45,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:45:45,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:45:45,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:45:45,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:45:45,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:45:45,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:45:45,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:45:45,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:45:45,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:45:45,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:45:45,736 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:45:45,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:45:45,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:45:45,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:45:45,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:45:45,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:45:45,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:45:45,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:45:45,742 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:45:45,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:45:45,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:45:45,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:45:45,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:45:45,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:45:45,745 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:45:45,745 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:45:45,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:45:45,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:45:45,746 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:45:45,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:45:45,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:45:45,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:45:45,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:45:45,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:45:45,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:45:45,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:45:45,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:45:45,748 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:45:45,748 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:45:45,748 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:45:45,749 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:45:45,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:45:45,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:45:45,749 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_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8119067df6ea638c7dff7ae73c7e9b057c24dc998e1f418f029ed1f7540da97 [2022-11-20 11:45:46,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:45:46,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:45:46,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:45:46,183 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:45:46,184 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:45:46,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c [2022-11-20 11:45:49,234 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:45:49,551 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:45:49,551 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c [2022-11-20 11:45:49,561 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/data/080ad42dc/added52e8f964ad5a431ae4c855c2afa/FLAGb82fa4171 [2022-11-20 11:45:49,587 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/data/080ad42dc/added52e8f964ad5a431ae4c855c2afa [2022-11-20 11:45:49,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:45:49,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:45:49,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:45:49,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:45:49,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:45:49,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:49,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6a5dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49, skipping insertion in model container [2022-11-20 11:45:49,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:49,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:45:49,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:45:49,815 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c[1107,1120] [2022-11-20 11:45:49,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:45:49,891 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:45:49,902 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c[1107,1120] [2022-11-20 11:45:49,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:45:49,970 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:45:49,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49 WrapperNode [2022-11-20 11:45:49,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:45:49,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:45:49,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:45:49,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:45:49,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:49,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:50,015 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2022-11-20 11:45:50,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:45:50,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:45:50,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:45:50,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:45:50,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:50,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:50,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:50,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:50,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:50,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:50,074 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:50,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:50,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:45:50,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:45:50,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:45:50,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:45:50,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49" (1/1) ... [2022-11-20 11:45:50,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:45:50,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:45:50,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:45:50,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:45:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:45:50,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:45:50,339 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:45:50,341 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:45:50,677 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:45:50,694 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:45:50,695 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:45:50,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:45:50 BoogieIcfgContainer [2022-11-20 11:45:50,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:45:50,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:45:50,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:45:50,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:45:50,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:45:49" (1/3) ... [2022-11-20 11:45:50,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d329915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:45:50, skipping insertion in model container [2022-11-20 11:45:50,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:49" (2/3) ... [2022-11-20 11:45:50,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d329915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:45:50, skipping insertion in model container [2022-11-20 11:45:50,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:45:50" (3/3) ... [2022-11-20 11:45:50,713 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_rotate32.c [2022-11-20 11:45:50,732 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:45:50,732 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:45:50,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:45:50,801 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=PETRI_NET, 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;@109aaa34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:45:50,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:45:50,806 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) [2022-11-20 11:45:50,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 11:45:50,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:50,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 11:45:50,837 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:50,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:50,843 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 11:45:50,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:45:50,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711318109] [2022-11-20 11:45:50,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:50,857 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 [2022-11-20 11:45:50,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:45:50,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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) [2022-11-20 11:45:50,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 11:45:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:50,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 11:45:50,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:45:51,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:45:51,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:45:51,182 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:45:51,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711318109] [2022-11-20 11:45:51,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1711318109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:45:51,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:45:51,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:45:51,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127605718] [2022-11-20 11:45:51,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:45:51,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:45:51,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:45:51,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:45:51,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:45:51,237 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:45:51,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:45:51,314 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-20 11:45:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:45:51,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-20 11:45:51,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:45:51,325 INFO L225 Difference]: With dead ends: 20 [2022-11-20 11:45:51,325 INFO L226 Difference]: Without dead ends: 11 [2022-11-20 11:45:51,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:45:51,332 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:45:51,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:45:51,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-20 11:45:51,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-20 11:45:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:45:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-20 11:45:51,365 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-20 11:45:51,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:45:51,365 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-20 11:45:51,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:45:51,366 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-20 11:45:51,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 11:45:51,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:51,367 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-20 11:45:51,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 11:45:51,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 11:45:51,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:51,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:51,579 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-20 11:45:51,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:45:51,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780568630] [2022-11-20 11:45:51,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:51,581 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 [2022-11-20 11:45:51,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:45:51,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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) [2022-11-20 11:45:51,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:45:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:51,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-20 11:45:51,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:45:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:45:52,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:46:14,677 WARN L233 SmtUtils]: Spent 21.06s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 11:46:15,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:46:15,341 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:46:15,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780568630] [2022-11-20 11:46:15,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780568630] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:46:15,347 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:46:15,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 11:46:15,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102412216] [2022-11-20 11:46:15,348 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:46:15,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:46:15,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:46:15,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:46:15,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:46:15,354 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-20 11:46:15,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:46:15,530 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-20 11:46:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:46:15,531 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-20 11:46:15,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:46:15,531 INFO L225 Difference]: With dead ends: 16 [2022-11-20 11:46:15,531 INFO L226 Difference]: Without dead ends: 14 [2022-11-20 11:46:15,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 21.7s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:46:15,533 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:46:15,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 24 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 12 Unchecked, 0.1s Time] [2022-11-20 11:46:15,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-20 11:46:15,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-20 11:46:15,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2022-11-20 11:46:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 11:46:15,538 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-20 11:46:15,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:46:15,538 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-20 11:46:15,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-20 11:46:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 11:46:15,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 11:46:15,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:46:15,539 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-20 11:46:15,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:46:15,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 11:46:15,740 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:46:15,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:46:15,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-20 11:46:15,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:46:15,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925742837] [2022-11-20 11:46:15,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:46:15,742 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 [2022-11-20 11:46:15,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:46:15,743 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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) [2022-11-20 11:46:15,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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 (4)] Waiting until timeout for monitored process [2022-11-20 11:46:15,913 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 11:46:15,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-20 11:46:15,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:46:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:46:16,105 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-20 11:46:16,106 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:46:16,107 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:46:16,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:46:16,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 11:46:16,330 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-20 11:46:16,333 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:46:16,381 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 11:46:16,381 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 11:46:16,381 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 11:46:16,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:46:16 BoogieIcfgContainer [2022-11-20 11:46:16,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:46:16,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:46:16,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:46:16,395 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:46:16,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:45:50" (3/4) ... [2022-11-20 11:46:16,397 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 11:46:16,410 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 11:46:16,410 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 11:46:16,410 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 11:46:16,485 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:46:16,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:46:16,486 INFO L158 Benchmark]: Toolchain (without parser) took 26889.12ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 54.1MB in the beginning and 52.5MB in the end (delta: 1.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2022-11-20 11:46:16,486 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 54.5MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:46:16,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.44ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 40.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:46:16,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.25ms. Allocated memory is still 75.5MB. Free memory was 40.0MB in the beginning and 38.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:46:16,487 INFO L158 Benchmark]: Boogie Preprocessor took 62.60ms. Allocated memory is still 75.5MB. Free memory was 38.0MB in the beginning and 56.0MB in the end (delta: -18.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-11-20 11:46:16,488 INFO L158 Benchmark]: RCFGBuilder took 617.66ms. Allocated memory is still 75.5MB. Free memory was 56.0MB in the beginning and 39.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 11:46:16,488 INFO L158 Benchmark]: TraceAbstraction took 25694.61ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 38.6MB in the beginning and 58.8MB in the end (delta: -20.2MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-11-20 11:46:16,489 INFO L158 Benchmark]: Witness Printer took 91.14ms. Allocated memory is still 111.1MB. Free memory was 58.8MB in the beginning and 52.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 11:46:16,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 54.5MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.44ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 40.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.25ms. Allocated memory is still 75.5MB. Free memory was 40.0MB in the beginning and 38.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.60ms. Allocated memory is still 75.5MB. Free memory was 38.0MB in the beginning and 56.0MB in the end (delta: -18.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * RCFGBuilder took 617.66ms. Allocated memory is still 75.5MB. Free memory was 56.0MB in the beginning and 39.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 25694.61ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 38.6MB in the beginning and 58.8MB in the end (delta: -20.2MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Witness Printer took 91.14ms. Allocated memory is still 111.1MB. Free memory was 58.8MB in the beginning and 52.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 - 5); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L34] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 31); [L35] const SORT_22 msb_SORT_22 = (SORT_22)1 << (31 - 1); [L37] const SORT_29 mask_SORT_29 = (SORT_29)-1 >> (sizeof(SORT_29) * 8 - 30); [L38] const SORT_29 msb_SORT_29 = (SORT_29)1 << (30 - 1); [L40] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 2); [L41] const SORT_31 msb_SORT_31 = (SORT_31)1 << (2 - 1); [L43] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 28); [L44] const SORT_37 msb_SORT_37 = (SORT_37)1 << (28 - 1); [L46] const SORT_39 mask_SORT_39 = (SORT_39)-1 >> (sizeof(SORT_39) * 8 - 4); [L47] const SORT_39 msb_SORT_39 = (SORT_39)1 << (4 - 1); [L49] const SORT_45 mask_SORT_45 = (SORT_45)-1 >> (sizeof(SORT_45) * 8 - 24); [L50] const SORT_45 msb_SORT_45 = (SORT_45)1 << (24 - 1); [L52] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 8); [L53] const SORT_47 msb_SORT_47 = (SORT_47)1 << (8 - 1); [L55] const SORT_53 mask_SORT_53 = (SORT_53)-1 >> (sizeof(SORT_53) * 8 - 16); [L56] const SORT_53 msb_SORT_53 = (SORT_53)1 << (16 - 1); [L58] const SORT_5 var_7 = 0; [L59] const SORT_5 var_10 = 2863311530; [L60] const SORT_3 var_15 = 1; [L62] SORT_1 input_2; [L63] SORT_3 input_4; [L64] SORT_5 input_6; [L66] SORT_5 state_8 = __VERIFIER_nondet_uint() & mask_SORT_5; [L67] SORT_5 state_19 = __VERIFIER_nondet_uint() & mask_SORT_5; [L69] SORT_5 init_9_arg_1 = var_7; [L70] state_8 = init_9_arg_1 [L71] SORT_5 init_20_arg_1 = var_7; [L72] state_19 = init_20_arg_1 VAL [init_20_arg_1=0, init_9_arg_1=0, mask_SORT_1=31, mask_SORT_22=2147483647, mask_SORT_29=1073741823, mask_SORT_3=1, mask_SORT_31=3, mask_SORT_37=268435455, mask_SORT_39=15, mask_SORT_45=16777215, mask_SORT_47=255, mask_SORT_5=4294967295, mask_SORT_53=65535, msb_SORT_1=16, msb_SORT_22=1073741824, msb_SORT_29=536870912, msb_SORT_3=1, msb_SORT_31=2, msb_SORT_37=134217728, msb_SORT_39=8, msb_SORT_45=8388608, msb_SORT_47=128, msb_SORT_5=2147483648, msb_SORT_53=32768, state_19=0, state_8=0, var_10=2863311530, var_15=1, var_7=0] [L75] input_2 = __VERIFIER_nondet_uchar() [L76] input_4 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uint() [L80] SORT_5 var_11_arg_0 = state_8; [L81] SORT_5 var_11_arg_1 = var_10; [L82] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L83] SORT_3 var_12_arg_0 = var_11; [L84] SORT_3 var_12 = ~var_12_arg_0; [L85] SORT_3 var_16_arg_0 = var_12; [L86] SORT_3 var_16 = ~var_16_arg_0; [L87] SORT_3 var_17_arg_0 = var_15; [L88] SORT_3 var_17_arg_1 = var_16; [L89] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L90] var_17 = var_17 & mask_SORT_3 [L91] SORT_3 bad_18_arg_0 = var_17; [L92] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L92] RET __VERIFIER_assert(!(bad_18_arg_0)) [L94] SORT_1 var_57_arg_0 = input_2; [L95] SORT_3 var_57 = var_57_arg_0 >> 4; [L96] var_57 = var_57 & mask_SORT_3 [L97] SORT_1 var_50_arg_0 = input_2; [L98] SORT_3 var_50 = var_50_arg_0 >> 3; [L99] var_50 = var_50 & mask_SORT_3 [L100] SORT_1 var_42_arg_0 = input_2; [L101] SORT_3 var_42 = var_42_arg_0 >> 2; [L102] var_42 = var_42 & mask_SORT_3 [L103] SORT_1 var_34_arg_0 = input_2; [L104] SORT_3 var_34 = var_34_arg_0 >> 1; [L105] var_34 = var_34 & mask_SORT_3 [L106] SORT_1 var_26_arg_0 = input_2; [L107] SORT_3 var_26 = var_26_arg_0 >> 0; [L108] var_26 = var_26 & mask_SORT_3 [L109] SORT_5 var_24_arg_0 = state_19; [L110] SORT_3 var_24 = var_24_arg_0 >> 0; [L111] SORT_5 var_23_arg_0 = state_19; [L112] SORT_22 var_23 = var_23_arg_0 >> 1; [L113] var_23 = var_23 & mask_SORT_22 [L114] SORT_3 var_25_arg_0 = var_24; [L115] SORT_22 var_25_arg_1 = var_23; [L116] SORT_5 var_25 = ((SORT_5)var_25_arg_0 << 31) | var_25_arg_1; [L117] SORT_3 var_27_arg_0 = var_26; [L118] SORT_5 var_27_arg_1 = var_25; [L119] SORT_5 var_27_arg_2 = state_19; [L120] SORT_5 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L121] SORT_5 var_32_arg_0 = var_27; [L122] SORT_31 var_32 = var_32_arg_0 >> 0; [L123] SORT_5 var_30_arg_0 = var_27; [L124] SORT_29 var_30 = var_30_arg_0 >> 2; [L125] var_30 = var_30 & mask_SORT_29 [L126] SORT_31 var_33_arg_0 = var_32; [L127] SORT_29 var_33_arg_1 = var_30; [L128] SORT_5 var_33 = ((SORT_5)var_33_arg_0 << 30) | var_33_arg_1; [L129] SORT_3 var_35_arg_0 = var_34; [L130] SORT_5 var_35_arg_1 = var_33; [L131] SORT_5 var_35_arg_2 = var_27; [L132] SORT_5 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L133] SORT_5 var_40_arg_0 = var_35; [L134] SORT_39 var_40 = var_40_arg_0 >> 0; [L135] SORT_5 var_38_arg_0 = var_35; [L136] SORT_37 var_38 = var_38_arg_0 >> 4; [L137] var_38 = var_38 & mask_SORT_37 [L138] SORT_39 var_41_arg_0 = var_40; [L139] SORT_37 var_41_arg_1 = var_38; [L140] SORT_5 var_41 = ((SORT_5)var_41_arg_0 << 28) | var_41_arg_1; [L141] SORT_3 var_43_arg_0 = var_42; [L142] SORT_5 var_43_arg_1 = var_41; [L143] SORT_5 var_43_arg_2 = var_35; [L144] SORT_5 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L145] SORT_5 var_48_arg_0 = var_43; [L146] SORT_47 var_48 = var_48_arg_0 >> 0; [L147] SORT_5 var_46_arg_0 = var_43; [L148] SORT_45 var_46 = var_46_arg_0 >> 8; [L149] var_46 = var_46 & mask_SORT_45 [L150] SORT_47 var_49_arg_0 = var_48; [L151] SORT_45 var_49_arg_1 = var_46; [L152] SORT_5 var_49 = ((SORT_5)var_49_arg_0 << 24) | var_49_arg_1; [L153] SORT_3 var_51_arg_0 = var_50; [L154] SORT_5 var_51_arg_1 = var_49; [L155] SORT_5 var_51_arg_2 = var_43; [L156] SORT_5 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; [L157] SORT_5 var_55_arg_0 = var_51; [L158] SORT_53 var_55 = var_55_arg_0 >> 0; [L159] SORT_5 var_54_arg_0 = var_51; [L160] SORT_53 var_54 = var_54_arg_0 >> 16; [L161] var_54 = var_54 & mask_SORT_53 [L162] SORT_53 var_56_arg_0 = var_55; [L163] SORT_53 var_56_arg_1 = var_54; [L164] SORT_5 var_56 = ((SORT_5)var_56_arg_0 << 16) | var_56_arg_1; [L165] SORT_3 var_58_arg_0 = var_57; [L166] SORT_5 var_58_arg_1 = var_56; [L167] SORT_5 var_58_arg_2 = var_51; [L168] SORT_5 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L169] var_58 = var_58 & mask_SORT_5 [L170] SORT_5 next_60_arg_1 = var_58; [L171] SORT_5 next_61_arg_1 = input_6; [L173] state_8 = next_60_arg_1 [L174] state_19 = next_61_arg_1 VAL [bad_18_arg_0=0, init_20_arg_1=0, init_9_arg_1=0, input_2=0, input_4=4, input_6=2863311530, mask_SORT_1=31, mask_SORT_22=2147483647, mask_SORT_29=1073741823, mask_SORT_3=1, mask_SORT_31=3, mask_SORT_37=268435455, mask_SORT_39=15, mask_SORT_45=16777215, mask_SORT_47=255, mask_SORT_5=4294967295, mask_SORT_53=65535, msb_SORT_1=16, msb_SORT_22=1073741824, msb_SORT_29=536870912, msb_SORT_3=1, msb_SORT_31=2, msb_SORT_37=134217728, msb_SORT_39=8, msb_SORT_45=8388608, msb_SORT_47=128, msb_SORT_5=2147483648, msb_SORT_53=32768, next_60_arg_1=0, next_61_arg_1=2863311530, state_19=2863311530, state_8=0, var_10=2863311530, var_11=0, var_11_arg_0=0, var_11_arg_1=2863311530, var_12=255, var_12_arg_0=0, var_15=1, var_16=0, var_16_arg_0=255, var_17=0, var_17_arg_0=1, var_17_arg_1=0, var_23=0, var_23_arg_0=0, var_24=0, var_24_arg_0=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_30=0, var_30_arg_0=0, var_32=0, var_32_arg_0=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_34=0, var_34_arg_0=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_38=0, var_38_arg_0=0, var_40=0, var_40_arg_0=0, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_42=0, var_42_arg_0=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_46=0, var_46_arg_0=0, var_48=0, var_48_arg_0=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_50=0, var_50_arg_0=0, var_51=0, var_51_arg_0=0, var_51_arg_1=0, var_51_arg_2=0, var_54=0, var_54_arg_0=0, var_55=0, var_55_arg_0=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_58=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_7=0] [L75] input_2 = __VERIFIER_nondet_uchar() [L76] input_4 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uint() [L80] SORT_5 var_11_arg_0 = state_8; [L81] SORT_5 var_11_arg_1 = var_10; [L82] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L83] SORT_3 var_12_arg_0 = var_11; [L84] SORT_3 var_12 = ~var_12_arg_0; [L85] SORT_3 var_16_arg_0 = var_12; [L86] SORT_3 var_16 = ~var_16_arg_0; [L87] SORT_3 var_17_arg_0 = var_15; [L88] SORT_3 var_17_arg_1 = var_16; [L89] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L90] var_17 = var_17 & mask_SORT_3 [L91] SORT_3 bad_18_arg_0 = var_17; [L92] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L92] RET __VERIFIER_assert(!(bad_18_arg_0)) [L94] SORT_1 var_57_arg_0 = input_2; [L95] SORT_3 var_57 = var_57_arg_0 >> 4; [L96] var_57 = var_57 & mask_SORT_3 [L97] SORT_1 var_50_arg_0 = input_2; [L98] SORT_3 var_50 = var_50_arg_0 >> 3; [L99] var_50 = var_50 & mask_SORT_3 [L100] SORT_1 var_42_arg_0 = input_2; [L101] SORT_3 var_42 = var_42_arg_0 >> 2; [L102] var_42 = var_42 & mask_SORT_3 [L103] SORT_1 var_34_arg_0 = input_2; [L104] SORT_3 var_34 = var_34_arg_0 >> 1; [L105] var_34 = var_34 & mask_SORT_3 [L106] SORT_1 var_26_arg_0 = input_2; [L107] SORT_3 var_26 = var_26_arg_0 >> 0; [L108] var_26 = var_26 & mask_SORT_3 [L109] SORT_5 var_24_arg_0 = state_19; [L110] SORT_3 var_24 = var_24_arg_0 >> 0; [L111] SORT_5 var_23_arg_0 = state_19; [L112] SORT_22 var_23 = var_23_arg_0 >> 1; [L113] var_23 = var_23 & mask_SORT_22 [L114] SORT_3 var_25_arg_0 = var_24; [L115] SORT_22 var_25_arg_1 = var_23; [L116] SORT_5 var_25 = ((SORT_5)var_25_arg_0 << 31) | var_25_arg_1; [L117] SORT_3 var_27_arg_0 = var_26; [L118] SORT_5 var_27_arg_1 = var_25; [L119] SORT_5 var_27_arg_2 = state_19; [L120] SORT_5 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L121] SORT_5 var_32_arg_0 = var_27; [L122] SORT_31 var_32 = var_32_arg_0 >> 0; [L123] SORT_5 var_30_arg_0 = var_27; [L124] SORT_29 var_30 = var_30_arg_0 >> 2; [L125] var_30 = var_30 & mask_SORT_29 [L126] SORT_31 var_33_arg_0 = var_32; [L127] SORT_29 var_33_arg_1 = var_30; [L128] SORT_5 var_33 = ((SORT_5)var_33_arg_0 << 30) | var_33_arg_1; [L129] SORT_3 var_35_arg_0 = var_34; [L130] SORT_5 var_35_arg_1 = var_33; [L131] SORT_5 var_35_arg_2 = var_27; [L132] SORT_5 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L133] SORT_5 var_40_arg_0 = var_35; [L134] SORT_39 var_40 = var_40_arg_0 >> 0; [L135] SORT_5 var_38_arg_0 = var_35; [L136] SORT_37 var_38 = var_38_arg_0 >> 4; [L137] var_38 = var_38 & mask_SORT_37 [L138] SORT_39 var_41_arg_0 = var_40; [L139] SORT_37 var_41_arg_1 = var_38; [L140] SORT_5 var_41 = ((SORT_5)var_41_arg_0 << 28) | var_41_arg_1; [L141] SORT_3 var_43_arg_0 = var_42; [L142] SORT_5 var_43_arg_1 = var_41; [L143] SORT_5 var_43_arg_2 = var_35; [L144] SORT_5 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L145] SORT_5 var_48_arg_0 = var_43; [L146] SORT_47 var_48 = var_48_arg_0 >> 0; [L147] SORT_5 var_46_arg_0 = var_43; [L148] SORT_45 var_46 = var_46_arg_0 >> 8; [L149] var_46 = var_46 & mask_SORT_45 [L150] SORT_47 var_49_arg_0 = var_48; [L151] SORT_45 var_49_arg_1 = var_46; [L152] SORT_5 var_49 = ((SORT_5)var_49_arg_0 << 24) | var_49_arg_1; [L153] SORT_3 var_51_arg_0 = var_50; [L154] SORT_5 var_51_arg_1 = var_49; [L155] SORT_5 var_51_arg_2 = var_43; [L156] SORT_5 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; [L157] SORT_5 var_55_arg_0 = var_51; [L158] SORT_53 var_55 = var_55_arg_0 >> 0; [L159] SORT_5 var_54_arg_0 = var_51; [L160] SORT_53 var_54 = var_54_arg_0 >> 16; [L161] var_54 = var_54 & mask_SORT_53 [L162] SORT_53 var_56_arg_0 = var_55; [L163] SORT_53 var_56_arg_1 = var_54; [L164] SORT_5 var_56 = ((SORT_5)var_56_arg_0 << 16) | var_56_arg_1; [L165] SORT_3 var_58_arg_0 = var_57; [L166] SORT_5 var_58_arg_1 = var_56; [L167] SORT_5 var_58_arg_2 = var_51; [L168] SORT_5 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L169] var_58 = var_58 & mask_SORT_5 [L170] SORT_5 next_60_arg_1 = var_58; [L171] SORT_5 next_61_arg_1 = input_6; [L173] state_8 = next_60_arg_1 [L174] state_19 = next_61_arg_1 VAL [bad_18_arg_0=0, init_20_arg_1=0, init_9_arg_1=0, input_2=30, input_4=5, input_6=5, mask_SORT_1=31, mask_SORT_22=2147483647, mask_SORT_29=1073741823, mask_SORT_3=1, mask_SORT_31=3, mask_SORT_37=268435455, mask_SORT_39=15, mask_SORT_45=16777215, mask_SORT_47=255, mask_SORT_5=4294967295, mask_SORT_53=65535, msb_SORT_1=16, msb_SORT_22=1073741824, msb_SORT_29=536870912, msb_SORT_3=1, msb_SORT_31=2, msb_SORT_37=134217728, msb_SORT_39=8, msb_SORT_45=8388608, msb_SORT_47=128, msb_SORT_5=2147483648, msb_SORT_53=32768, next_60_arg_1=2863311530, next_61_arg_1=5, state_19=5, state_8=2863311530, var_10=2863311530, var_11=0, var_11_arg_0=0, var_11_arg_1=2863311530, var_12=255, var_12_arg_0=0, var_15=1, var_16=0, var_16_arg_0=255, var_17=0, var_17_arg_0=1, var_17_arg_1=0, var_23=1431655765, var_23_arg_0=2863311530, var_24=170, var_24_arg_0=2863311530, var_25=1431655765, var_25_arg_0=170, var_25_arg_1=1431655765, var_26=0, var_26_arg_0=30, var_27=2863311530, var_27_arg_0=0, var_27_arg_1=1431655765, var_27_arg_2=2863311530, var_30=715827882, var_30_arg_0=2863311530, var_32=170, var_32_arg_0=2863311530, var_33=2863311530, var_33_arg_0=170, var_33_arg_1=715827882, var_34=1, var_34_arg_0=30, var_35=2863311530, var_35_arg_0=1, var_35_arg_1=2863311530, var_35_arg_2=2863311530, var_38=178956970, var_38_arg_0=2863311530, var_40=170, var_40_arg_0=2863311530, var_41=2863311530, var_41_arg_0=170, var_41_arg_1=178956970, var_42=1, var_42_arg_0=30, var_43=2863311530, var_43_arg_0=1, var_43_arg_1=2863311530, var_43_arg_2=2863311530, var_46=11184810, var_46_arg_0=2863311530, var_48=170, var_48_arg_0=2863311530, var_49=2863311530, var_49_arg_0=170, var_49_arg_1=11184810, var_50=1, var_50_arg_0=30, var_51=2863311530, var_51_arg_0=1, var_51_arg_1=2863311530, var_51_arg_2=2863311530, var_54=43690, var_54_arg_0=2863311530, var_55=43690, var_55_arg_0=2863311530, var_56=2863311530, var_56_arg_0=43690, var_56_arg_1=43690, var_57=1, var_57_arg_0=30, var_58=2863311530, var_58_arg_0=1, var_58_arg_1=2863311530, var_58_arg_2=2863311530, var_7=0] [L75] input_2 = __VERIFIER_nondet_uchar() [L76] input_4 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uint() [L80] SORT_5 var_11_arg_0 = state_8; [L81] SORT_5 var_11_arg_1 = var_10; [L82] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L83] SORT_3 var_12_arg_0 = var_11; [L84] SORT_3 var_12 = ~var_12_arg_0; [L85] SORT_3 var_16_arg_0 = var_12; [L86] SORT_3 var_16 = ~var_16_arg_0; [L87] SORT_3 var_17_arg_0 = var_15; [L88] SORT_3 var_17_arg_1 = var_16; [L89] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L90] var_17 = var_17 & mask_SORT_3 [L91] SORT_3 bad_18_arg_0 = var_17; [L92] CALL __VERIFIER_assert(!(bad_18_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: 25.6s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 12 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 21.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 23.8s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 5 QuantifiedInterpolants, 5053 SizeOfPredicates, 98 NumberOfNonLiveVariables, 186 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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! [2022-11-20 11:46:16,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8a7cf6-a25f-406a-8895-a686ebfe8994/bin/uautomizer-ug76WZFUDN/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