./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro --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 811fa38d0f78abc9d6c35198e154f905ce7fd9ae8b0b3925c3dcfad516930a56 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:31:42,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:31:42,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:31:42,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:31:42,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:31:42,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:31:42,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:31:42,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:31:42,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:31:42,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:31:42,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:31:42,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:31:42,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:31:42,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:31:42,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:31:42,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:31:42,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:31:42,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:31:42,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:31:42,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:31:42,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:31:42,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:31:42,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:31:42,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:31:42,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:31:42,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:31:42,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:31:42,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:31:42,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:31:42,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:31:42,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:31:42,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:31:42,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:31:42,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:31:42,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:31:42,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:31:42,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:31:42,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:31:42,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:31:42,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:31:42,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:31:42,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:31:42,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:31:42,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:31:42,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:31:42,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:31:42,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:31:42,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:31:42,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:31:42,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:31:42,295 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:31:42,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:31:42,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:31:42,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:31:42,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:31:42,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:31:42,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:31:42,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:31:42,296 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:31:42,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:31:42,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:31:42,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:31:42,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:31:42,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:31:42,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:31:42,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:31:42,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:31:42,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:31:42,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:31:42,299 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:31:42,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:31:42,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:31:42,300 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_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811fa38d0f78abc9d6c35198e154f905ce7fd9ae8b0b3925c3dcfad516930a56 [2022-11-18 19:31:42,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:31:42,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:31:42,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:31:42,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:31:42,616 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:31:42,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c [2022-11-18 19:31:42,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/data/18093509c/dc4c85cae5414b5ea90e3bd9c1188d1d/FLAG6615a32a8 [2022-11-18 19:31:43,234 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:31:43,243 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c [2022-11-18 19:31:43,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/data/18093509c/dc4c85cae5414b5ea90e3bd9c1188d1d/FLAG6615a32a8 [2022-11-18 19:31:43,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/data/18093509c/dc4c85cae5414b5ea90e3bd9c1188d1d [2022-11-18 19:31:43,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:31:43,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:31:43,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:31:43,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:31:43,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:31:43,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:31:43" (1/1) ... [2022-11-18 19:31:43,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748d998e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:43, skipping insertion in model container [2022-11-18 19:31:43,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:31:43" (1/1) ... [2022-11-18 19:31:43,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:31:43,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:31:43,793 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c[1107,1120] [2022-11-18 19:31:44,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:31:44,090 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:31:44,110 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c[1107,1120] [2022-11-18 19:31:44,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:31:44,313 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:31:44,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44 WrapperNode [2022-11-18 19:31:44,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:31:44,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:31:44,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:31:44,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:31:44,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44" (1/1) ... [2022-11-18 19:31:44,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44" (1/1) ... [2022-11-18 19:31:44,491 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1471 [2022-11-18 19:31:44,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:31:44,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:31:44,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:31:44,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:31:44,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44" (1/1) ... [2022-11-18 19:31:44,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44" (1/1) ... [2022-11-18 19:31:44,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44" (1/1) ... [2022-11-18 19:31:44,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44" (1/1) ... [2022-11-18 19:31:44,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44" (1/1) ... [2022-11-18 19:31:44,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44" (1/1) ... [2022-11-18 19:31:44,595 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44" (1/1) ... [2022-11-18 19:31:44,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44" (1/1) ... [2022-11-18 19:31:44,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:31:44,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:31:44,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:31:44,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:31:44,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44" (1/1) ... [2022-11-18 19:31:44,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:31:44,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:31:44,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:31:44,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:31:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:31:44,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:31:45,153 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:31:45,155 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:31:46,644 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:31:46,657 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:31:46,658 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:31:46,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:31:46 BoogieIcfgContainer [2022-11-18 19:31:46,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:31:46,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:31:46,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:31:46,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:31:46,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:31:43" (1/3) ... [2022-11-18 19:31:46,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d17e607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:31:46, skipping insertion in model container [2022-11-18 19:31:46,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:44" (2/3) ... [2022-11-18 19:31:46,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d17e607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:31:46, skipping insertion in model container [2022-11-18 19:31:46,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:31:46" (3/3) ... [2022-11-18 19:31:46,673 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p05.c [2022-11-18 19:31:46,691 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:31:46,691 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:31:46,774 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:31:46,781 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;@2be7a6bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:31:46,787 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:31:46,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 194 states, 192 states have (on average 1.65625) internal successors, (318), 193 states have internal predecessors, (318), 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) [2022-11-18 19:31:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 19:31:46,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:31:46,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:31:46,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:31:46,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:31:46,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1428179117, now seen corresponding path program 1 times [2022-11-18 19:31:46,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:31:46,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48196888] [2022-11-18 19:31:46,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:31:46,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:31:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:31:47,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:31:47,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:31:47,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48196888] [2022-11-18 19:31:47,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48196888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:31:47,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:31:47,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:31:47,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391669398] [2022-11-18 19:31:47,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:31:47,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:31:47,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:31:47,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:31:47,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:31:47,450 INFO L87 Difference]: Start difference. First operand has 194 states, 192 states have (on average 1.65625) internal successors, (318), 193 states have internal predecessors, (318), 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 3.25) internal successors, (13), 4 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) [2022-11-18 19:31:47,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:31:47,586 INFO L93 Difference]: Finished difference Result 580 states and 962 transitions. [2022-11-18 19:31:47,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:31:47,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) Word has length 13 [2022-11-18 19:31:47,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:31:47,608 INFO L225 Difference]: With dead ends: 580 [2022-11-18 19:31:47,608 INFO L226 Difference]: Without dead ends: 388 [2022-11-18 19:31:47,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:31:47,618 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 912 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:31:47,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 673 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:31:47,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-11-18 19:31:47,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 192. [2022-11-18 19:31:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.643979057591623) internal successors, (314), 191 states have internal predecessors, (314), 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) [2022-11-18 19:31:47,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 314 transitions. [2022-11-18 19:31:47,695 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 314 transitions. Word has length 13 [2022-11-18 19:31:47,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:31:47,699 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 314 transitions. [2022-11-18 19:31:47,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2022-11-18 19:31:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 314 transitions. [2022-11-18 19:31:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 19:31:47,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:31:47,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:31:47,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:31:47,701 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:31:47,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:31:47,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1325604663, now seen corresponding path program 1 times [2022-11-18 19:31:47,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:31:47,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404704497] [2022-11-18 19:31:47,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:31:47,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:31:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:31:47,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:31:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:31:47,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:31:47,933 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 19:31:47,934 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:31:47,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:31:47,943 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 19:31:47,949 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:31:48,015 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-18 19:31:48,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:31:48 BoogieIcfgContainer [2022-11-18 19:31:48,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:31:48,046 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:31:48,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:31:48,046 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:31:48,047 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:31:46" (3/4) ... [2022-11-18 19:31:48,050 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:31:48,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:31:48,054 INFO L158 Benchmark]: Toolchain (without parser) took 4535.42ms. Allocated memory was 111.1MB in the beginning and 192.9MB in the end (delta: 81.8MB). Free memory was 69.3MB in the beginning and 126.9MB in the end (delta: -57.6MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-18 19:31:48,054 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:31:48,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 795.99ms. Allocated memory is still 111.1MB. Free memory was 69.1MB in the beginning and 58.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-11-18 19:31:48,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.46ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 58.6MB in the beginning and 103.2MB in the end (delta: -44.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-11-18 19:31:48,063 INFO L158 Benchmark]: Boogie Preprocessor took 130.05ms. Allocated memory is still 134.2MB. Free memory was 103.2MB in the beginning and 96.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 19:31:48,064 INFO L158 Benchmark]: RCFGBuilder took 2037.74ms. Allocated memory is still 134.2MB. Free memory was 96.9MB in the beginning and 59.3MB in the end (delta: 37.6MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-11-18 19:31:48,064 INFO L158 Benchmark]: TraceAbstraction took 1381.39ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 58.9MB in the beginning and 126.9MB in the end (delta: -68.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:31:48,065 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 192.9MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:31:48,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 795.99ms. Allocated memory is still 111.1MB. Free memory was 69.1MB in the beginning and 58.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.46ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 58.6MB in the beginning and 103.2MB in the end (delta: -44.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.05ms. Allocated memory is still 134.2MB. Free memory was 103.2MB in the beginning and 96.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2037.74ms. Allocated memory is still 134.2MB. Free memory was 96.9MB in the beginning and 59.3MB in the end (delta: 37.6MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1381.39ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 58.9MB in the beginning and 126.9MB in the end (delta: -68.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 192.9MB. Free memory is still 126.9MB. 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 171, overapproximation of bitwiseOr at line 166, overapproximation of bitwiseAnd at line 174. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L34] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 2); [L35] const SORT_10 msb_SORT_10 = (SORT_10)1 << (2 - 1); [L37] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 3); [L38] const SORT_14 msb_SORT_14 = (SORT_14)1 << (3 - 1); [L40] const SORT_96 mask_SORT_96 = (SORT_96)-1 >> (sizeof(SORT_96) * 8 - 4); [L41] const SORT_96 msb_SORT_96 = (SORT_96)1 << (4 - 1); [L43] const SORT_145 mask_SORT_145 = (SORT_145)-1 >> (sizeof(SORT_145) * 8 - 32); [L44] const SORT_145 msb_SORT_145 = (SORT_145)1 << (32 - 1); [L46] const SORT_5 var_7 = 0; [L47] const SORT_14 var_15 = 0; [L48] const SORT_10 var_19 = 0; [L49] const SORT_3 var_21 = 0; [L50] const SORT_1 var_31 = 1; [L51] const SORT_1 var_37 = 0; [L52] const SORT_14 var_55 = 2; [L53] const SORT_14 var_59 = 1; [L54] const SORT_14 var_64 = 4; [L55] const SORT_14 var_66 = 5; [L56] const SORT_14 var_70 = 3; [L57] const SORT_14 var_113 = 7; [L58] const SORT_14 var_118 = 6; [L59] const SORT_145 var_147 = 0; [L60] const SORT_3 var_162 = 2; [L61] const SORT_3 var_184 = 31; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_173; [L67] SORT_3 input_174; [L68] SORT_3 input_175; [L69] SORT_3 input_183; [L70] SORT_3 input_192; [L71] SORT_3 input_193; [L72] SORT_3 input_194; [L73] SORT_3 input_197; [L74] SORT_3 input_216; [L75] SORT_3 input_217; [L76] SORT_3 input_218; [L77] SORT_3 input_221; [L78] SORT_3 input_223; [L79] SORT_10 input_237; [L80] SORT_10 input_238; [L81] SORT_10 input_239; [L83] SORT_5 state_8 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L84] SORT_14 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_14; [L85] SORT_3 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] SORT_3 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] SORT_3 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] SORT_3 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] SORT_3 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] SORT_3 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] SORT_5 init_9_arg_1 = var_7; [L98] state_8 = init_9_arg_1 [L99] SORT_14 init_17_arg_1 = var_15; [L100] state_16 = init_17_arg_1 [L101] SORT_3 init_23_arg_1 = var_21; [L102] state_22 = init_23_arg_1 [L103] SORT_3 init_25_arg_1 = var_21; [L104] state_24 = init_25_arg_1 [L105] SORT_3 init_36_arg_1 = var_21; [L106] state_35 = init_36_arg_1 [L107] SORT_1 init_39_arg_1 = var_37; [L108] state_38 = init_39_arg_1 [L109] SORT_3 init_41_arg_1 = var_21; [L110] state_40 = init_41_arg_1 [L111] SORT_3 init_43_arg_1 = var_21; [L112] state_42 = init_43_arg_1 [L113] SORT_3 init_45_arg_1 = var_21; [L114] state_44 = init_45_arg_1 [L115] SORT_3 init_47_arg_1 = var_21; [L116] state_46 = init_47_arg_1 [L117] SORT_3 init_49_arg_1 = var_21; [L118] state_48 = init_49_arg_1 [L119] SORT_3 init_51_arg_1 = var_21; [L120] state_50 = init_51_arg_1 [L121] SORT_3 init_53_arg_1 = var_21; [L122] state_52 = init_53_arg_1 VAL [init_17_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_10=3, mask_SORT_14=7, mask_SORT_145=4294967295, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_96=15, msb_SORT_1=1, msb_SORT_10=2, msb_SORT_14=4, msb_SORT_145=2147483648, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_96=8, state_16=0, state_22=0, state_24=0, state_35=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_8=0, var_113=7, var_118=6, var_147=0, var_15=0, var_162=2, var_184=31, var_19=0, var_21=0, var_31=1, var_37=0, var_55=2, var_59=1, var_64=4, var_66=5, var_7=0, var_70=3] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_173 = __VERIFIER_nondet_uchar() [L129] input_174 = __VERIFIER_nondet_uchar() [L130] input_175 = __VERIFIER_nondet_uchar() [L131] input_183 = __VERIFIER_nondet_uchar() [L132] input_192 = __VERIFIER_nondet_uchar() [L133] input_193 = __VERIFIER_nondet_uchar() [L134] input_194 = __VERIFIER_nondet_uchar() [L135] input_197 = __VERIFIER_nondet_uchar() [L136] input_216 = __VERIFIER_nondet_uchar() [L137] input_217 = __VERIFIER_nondet_uchar() [L138] input_218 = __VERIFIER_nondet_uchar() [L139] input_221 = __VERIFIER_nondet_uchar() [L140] input_223 = __VERIFIER_nondet_uchar() [L141] input_237 = __VERIFIER_nondet_uchar() [L142] input_238 = __VERIFIER_nondet_uchar() [L143] input_239 = __VERIFIER_nondet_uchar() [L146] SORT_5 var_11_arg_0 = state_8; [L147] SORT_10 var_11 = var_11_arg_0 >> 7; VAL [init_17_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_9_arg_1=0, input_173=12, input_174=14, input_175=10, input_183=5, input_192=4, input_193=7, input_194=6, input_197=2, input_2=13, input_216=16, input_217=18, input_218=11, input_221=3, input_223=17, input_237=15, input_238=1, input_239=9, input_4=8, input_6=19, mask_SORT_1=1, mask_SORT_10=3, mask_SORT_14=7, mask_SORT_145=4294967295, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_96=15, msb_SORT_1=1, msb_SORT_10=2, msb_SORT_14=4, msb_SORT_145=2147483648, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_96=8, state_16=0, state_22=0, state_24=0, state_35=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_8=0, var_11=0, var_113=7, var_118=6, var_11_arg_0=0, var_147=0, var_15=0, var_162=2, var_184=31, var_19=0, var_21=0, var_31=1, var_37=0, var_55=2, var_59=1, var_64=4, var_66=5, var_7=0, var_70=3] [L148] var_11 = var_11 & mask_SORT_10 VAL [init_17_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_9_arg_1=0, input_173=12, input_174=14, input_175=10, input_183=5, input_192=4, input_193=7, input_194=6, input_197=2, input_2=13, input_216=16, input_217=18, input_218=11, input_221=3, input_223=17, input_237=15, input_238=1, input_239=9, input_4=8, input_6=19, mask_SORT_1=1, mask_SORT_10=3, mask_SORT_14=7, mask_SORT_145=4294967295, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_96=15, msb_SORT_1=1, msb_SORT_10=2, msb_SORT_14=4, msb_SORT_145=2147483648, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_96=8, state_16=0, state_22=0, state_24=0, state_35=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_8=0, var_11=0, var_113=7, var_118=6, var_11_arg_0=0, var_147=0, var_15=0, var_162=2, var_184=31, var_19=0, var_21=0, var_31=1, var_37=0, var_55=2, var_59=1, var_64=4, var_66=5, var_7=0, var_70=3] [L149] SORT_5 var_12_arg_0 = state_8; [L150] SORT_10 var_12 = var_12_arg_0 >> 5; VAL [init_17_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_9_arg_1=0, input_173=12, input_174=14, input_175=10, input_183=5, input_192=4, input_193=7, input_194=6, input_197=2, input_2=13, input_216=16, input_217=18, input_218=11, input_221=3, input_223=17, input_237=15, input_238=1, input_239=9, input_4=8, input_6=19, mask_SORT_1=1, mask_SORT_10=3, mask_SORT_14=7, mask_SORT_145=4294967295, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_96=15, msb_SORT_1=1, msb_SORT_10=2, msb_SORT_14=4, msb_SORT_145=2147483648, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_96=8, state_16=0, state_22=0, state_24=0, state_35=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_8=0, var_11=0, var_113=7, var_118=6, var_11_arg_0=0, var_12=0, var_12_arg_0=0, var_147=0, var_15=0, var_162=2, var_184=31, var_19=0, var_21=0, var_31=1, var_37=0, var_55=2, var_59=1, var_64=4, var_66=5, var_7=0, var_70=3] [L151] var_12 = var_12 & mask_SORT_10 VAL [init_17_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_9_arg_1=0, input_173=12, input_174=14, input_175=10, input_183=5, input_192=4, input_193=7, input_194=6, input_197=2, input_2=13, input_216=16, input_217=18, input_218=11, input_221=3, input_223=17, input_237=15, input_238=1, input_239=9, input_4=8, input_6=19, mask_SORT_1=1, mask_SORT_10=3, mask_SORT_14=7, mask_SORT_145=4294967295, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_96=15, msb_SORT_1=1, msb_SORT_10=2, msb_SORT_14=4, msb_SORT_145=2147483648, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_96=8, state_16=0, state_22=0, state_24=0, state_35=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_8=0, var_11=0, var_113=7, var_118=6, var_11_arg_0=0, var_12=0, var_12_arg_0=0, var_147=0, var_15=0, var_162=2, var_184=31, var_19=0, var_21=0, var_31=1, var_37=0, var_55=2, var_59=1, var_64=4, var_66=5, var_7=0, var_70=3] [L152] SORT_10 var_13_arg_0 = var_11; [L153] SORT_10 var_13_arg_1 = var_12; [L154] SORT_1 var_13 = var_13_arg_0 != var_13_arg_1; [L155] SORT_14 var_18_arg_0 = state_16; [L156] SORT_10 var_18 = var_18_arg_0 >> 1; VAL [init_17_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_9_arg_1=0, input_173=12, input_174=14, input_175=10, input_183=5, input_192=4, input_193=7, input_194=6, input_197=2, input_2=13, input_216=16, input_217=18, input_218=11, input_221=3, input_223=17, input_237=15, input_238=1, input_239=9, input_4=8, input_6=19, mask_SORT_1=1, mask_SORT_10=3, mask_SORT_14=7, mask_SORT_145=4294967295, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_96=15, msb_SORT_1=1, msb_SORT_10=2, msb_SORT_14=4, msb_SORT_145=2147483648, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_96=8, state_16=0, state_22=0, state_24=0, state_35=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_8=0, var_11=0, var_113=7, var_118=6, var_11_arg_0=0, var_12=0, var_12_arg_0=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_147=0, var_15=0, var_162=2, var_18=0, var_184=31, var_18_arg_0=0, var_19=0, var_21=0, var_31=1, var_37=0, var_55=2, var_59=1, var_64=4, var_66=5, var_7=0, var_70=3] [L157] var_18 = var_18 & mask_SORT_10 VAL [init_17_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_9_arg_1=0, input_173=12, input_174=14, input_175=10, input_183=5, input_192=4, input_193=7, input_194=6, input_197=2, input_2=13, input_216=16, input_217=18, input_218=11, input_221=3, input_223=17, input_237=15, input_238=1, input_239=9, input_4=8, input_6=19, mask_SORT_1=1, mask_SORT_10=3, mask_SORT_14=7, mask_SORT_145=4294967295, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_96=15, msb_SORT_1=1, msb_SORT_10=2, msb_SORT_14=4, msb_SORT_145=2147483648, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_96=8, state_16=0, state_22=0, state_24=0, state_35=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_8=0, var_11=0, var_113=7, var_118=6, var_11_arg_0=0, var_12=0, var_12_arg_0=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_147=0, var_15=0, var_162=2, var_18=0, var_184=31, var_18_arg_0=0, var_19=0, var_21=0, var_31=1, var_37=0, var_55=2, var_59=1, var_64=4, var_66=5, var_7=0, var_70=3] [L158] SORT_10 var_20_arg_0 = var_18; [L159] SORT_10 var_20_arg_1 = var_19; [L160] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L161] SORT_3 var_26_arg_0 = state_22; [L162] SORT_3 var_26_arg_1 = state_24; [L163] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L164] SORT_1 var_27_arg_0 = var_20; [L165] SORT_1 var_27_arg_1 = var_26; [L166] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L167] SORT_1 var_28_arg_0 = var_13; [L168] SORT_1 var_28_arg_1 = var_27; [L169] SORT_1 var_28 = var_28_arg_0 | var_28_arg_1; [L170] SORT_1 var_32_arg_0 = var_28; [L171] SORT_1 var_32 = ~var_32_arg_0; [L172] SORT_1 var_33_arg_0 = var_31; [L173] SORT_1 var_33_arg_1 = var_32; [L174] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; VAL [init_17_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_9_arg_1=0, input_173=12, input_174=14, input_175=10, input_183=5, input_192=4, input_193=7, input_194=6, input_197=2, input_2=13, input_216=16, input_217=18, input_218=11, input_221=3, input_223=17, input_237=15, input_238=1, input_239=9, input_4=8, input_6=19, mask_SORT_1=1, mask_SORT_10=3, mask_SORT_14=7, mask_SORT_145=4294967295, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_96=15, msb_SORT_1=1, msb_SORT_10=2, msb_SORT_14=4, msb_SORT_145=2147483648, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_96=8, state_16=0, state_22=0, state_24=0, state_35=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_8=0, var_11=0, var_113=7, var_118=6, var_11_arg_0=0, var_12=0, var_12_arg_0=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_147=0, var_15=0, var_162=2, var_18=0, var_184=31, var_18_arg_0=0, var_19=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_26=1, var_26_arg_0=0, var_26_arg_1=0, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=1, var_28_arg_0=0, var_28_arg_1=1, var_31=1, var_32=255, var_32_arg_0=1, var_33=1, var_33_arg_0=1, var_33_arg_1=255, var_37=0, var_55=2, var_59=1, var_64=4, var_66=5, var_7=0, var_70=3] [L175] var_33 = var_33 & mask_SORT_1 VAL [init_17_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_9_arg_1=0, input_173=12, input_174=14, input_175=10, input_183=5, input_192=4, input_193=7, input_194=6, input_197=2, input_2=13, input_216=16, input_217=18, input_218=11, input_221=3, input_223=17, input_237=15, input_238=1, input_239=9, input_4=8, input_6=19, mask_SORT_1=1, mask_SORT_10=3, mask_SORT_14=7, mask_SORT_145=4294967295, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_96=15, msb_SORT_1=1, msb_SORT_10=2, msb_SORT_14=4, msb_SORT_145=2147483648, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_96=8, state_16=0, state_22=0, state_24=0, state_35=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_8=0, var_11=0, var_113=7, var_118=6, var_11_arg_0=0, var_12=0, var_12_arg_0=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_147=0, var_15=0, var_162=2, var_18=0, var_184=31, var_18_arg_0=0, var_19=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_26=1, var_26_arg_0=0, var_26_arg_1=0, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=1, var_28_arg_0=0, var_28_arg_1=1, var_31=1, var_32=255, var_32_arg_0=1, var_33=1, var_33_arg_0=1, var_33_arg_1=255, var_37=0, var_55=2, var_59=1, var_64=4, var_66=5, var_7=0, var_70=3] [L176] SORT_1 bad_34_arg_0 = var_33; [L177] CALL __VERIFIER_assert(!(bad_34_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, 194 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 912 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 912 mSDsluCounter, 673 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 343 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 330 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 196 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 19:31:48,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro --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 811fa38d0f78abc9d6c35198e154f905ce7fd9ae8b0b3925c3dcfad516930a56 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:31:50,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:31:50,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:31:50,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:31:50,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:31:50,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:31:50,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:31:50,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:31:50,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:31:50,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:31:50,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:31:50,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:31:50,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:31:50,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:31:50,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:31:50,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:31:50,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:31:50,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:31:50,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:31:50,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:31:50,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:31:50,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:31:50,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:31:50,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:31:50,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:31:50,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:31:50,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:31:50,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:31:50,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:31:50,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:31:50,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:31:50,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:31:50,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:31:50,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:31:50,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:31:50,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:31:50,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:31:50,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:31:50,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:31:50,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:31:50,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:31:50,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 19:31:50,453 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:31:50,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:31:50,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:31:50,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:31:50,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:31:50,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:31:50,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:31:50,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:31:50,459 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:31:50,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:31:50,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:31:50,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:31:50,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:31:50,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:31:50,461 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:31:50,461 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 19:31:50,461 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 19:31:50,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:31:50,462 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:31:50,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:31:50,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:31:50,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:31:50,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:31:50,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:31:50,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:31:50,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:31:50,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:31:50,464 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 19:31:50,464 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 19:31:50,464 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:31:50,464 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:31:50,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:31:50,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 19:31:50,465 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_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811fa38d0f78abc9d6c35198e154f905ce7fd9ae8b0b3925c3dcfad516930a56 [2022-11-18 19:31:50,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:31:50,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:31:50,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:31:50,873 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:31:50,874 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:31:50,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c [2022-11-18 19:31:50,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/data/73579f6f3/1690d42d9ffb495da7385b0bf2863508/FLAGca79b6160 [2022-11-18 19:31:51,531 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:31:51,532 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c [2022-11-18 19:31:51,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/data/73579f6f3/1690d42d9ffb495da7385b0bf2863508/FLAGca79b6160 [2022-11-18 19:31:51,772 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/data/73579f6f3/1690d42d9ffb495da7385b0bf2863508 [2022-11-18 19:31:51,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:31:51,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:31:51,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:31:51,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:31:51,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:31:51,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:31:51" (1/1) ... [2022-11-18 19:31:51,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118634e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:51, skipping insertion in model container [2022-11-18 19:31:51,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:31:51" (1/1) ... [2022-11-18 19:31:51,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:31:51,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:31:52,018 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c[1107,1120] [2022-11-18 19:31:52,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:31:52,368 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:31:52,379 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c[1107,1120] [2022-11-18 19:31:52,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:31:52,552 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:31:52,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52 WrapperNode [2022-11-18 19:31:52,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:31:52,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:31:52,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:31:52,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:31:52,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52" (1/1) ... [2022-11-18 19:31:52,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52" (1/1) ... [2022-11-18 19:31:52,680 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1044 [2022-11-18 19:31:52,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:31:52,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:31:52,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:31:52,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:31:52,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52" (1/1) ... [2022-11-18 19:31:52,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52" (1/1) ... [2022-11-18 19:31:52,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52" (1/1) ... [2022-11-18 19:31:52,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52" (1/1) ... [2022-11-18 19:31:52,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52" (1/1) ... [2022-11-18 19:31:52,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52" (1/1) ... [2022-11-18 19:31:52,752 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52" (1/1) ... [2022-11-18 19:31:52,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52" (1/1) ... [2022-11-18 19:31:52,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:31:52,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:31:52,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:31:52,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:31:52,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52" (1/1) ... [2022-11-18 19:31:52,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:31:52,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:31:52,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:31:52,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:31:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:31:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:31:53,211 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:31:53,213 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:31:54,665 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:31:54,682 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:31:54,682 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:31:54,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:31:54 BoogieIcfgContainer [2022-11-18 19:31:54,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:31:54,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:31:54,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:31:54,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:31:54,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:31:51" (1/3) ... [2022-11-18 19:31:54,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261e827b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:31:54, skipping insertion in model container [2022-11-18 19:31:54,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:52" (2/3) ... [2022-11-18 19:31:54,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261e827b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:31:54, skipping insertion in model container [2022-11-18 19:31:54,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:31:54" (3/3) ... [2022-11-18 19:31:54,698 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p05.c [2022-11-18 19:31:54,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:31:54,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:31:54,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:31:54,810 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;@772b2b53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:31:54,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:31:54,814 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) [2022-11-18 19:31:54,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 19:31:54,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:31:54,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 19:31:54,824 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:31:54,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:31:54,831 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-18 19:31:54,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:31:54,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792255664] [2022-11-18 19:31:54,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:31:54,848 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 [2022-11-18 19:31:54,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:31:54,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:31:54,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:31:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:31:55,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-18 19:31:55,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:31:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:31:55,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:31:55,401 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:31:55,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792255664] [2022-11-18 19:31:55,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792255664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:31:55,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:31:55,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:31:55,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17393254] [2022-11-18 19:31:55,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:31:55,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:31:55,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:31:55,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:31:55,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:31:55,454 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) [2022-11-18 19:31:55,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:31:55,663 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-18 19:31:55,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:31:55,665 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 [2022-11-18 19:31:55,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:31:55,673 INFO L225 Difference]: With dead ends: 20 [2022-11-18 19:31:55,674 INFO L226 Difference]: Without dead ends: 11 [2022-11-18 19:31:55,676 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 [2022-11-18 19:31:55,680 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:31:55,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:31:55,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-18 19:31:55,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-18 19:31:55,724 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) [2022-11-18 19:31:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-18 19:31:55,726 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-18 19:31:55,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:31:55,727 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-18 19:31:55,727 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) [2022-11-18 19:31:55,727 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-18 19:31:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-18 19:31:55,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:31:55,728 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-18 19:31:55,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:31:55,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:31:55,949 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:31:55,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:31:55,950 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-18 19:31:55,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:31:55,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356107045] [2022-11-18 19:31:55,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:31:55,956 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 [2022-11-18 19:31:55,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:31:55,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:31:55,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:31:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:31:56,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-18 19:31:56,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:31:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:31:56,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:31:57,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:31:57,774 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:31:57,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356107045] [2022-11-18 19:31:57,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356107045] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:31:57,775 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:31:57,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-18 19:31:57,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067596231] [2022-11-18 19:31:57,776 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 19:31:57,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:31:57,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:31:57,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:31:57,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:31:57,779 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) [2022-11-18 19:31:57,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:31:57,980 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-18 19:31:57,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:31:57,981 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 [2022-11-18 19:31:57,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:31:57,982 INFO L225 Difference]: With dead ends: 16 [2022-11-18 19:31:57,982 INFO L226 Difference]: Without dead ends: 14 [2022-11-18 19:31:57,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:31:57,984 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:31:57,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 19 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 8 Unchecked, 0.1s Time] [2022-11-18 19:31:57,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-18 19:31:57,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-18 19:31:57,989 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) [2022-11-18 19:31:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-18 19:31:57,990 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-18 19:31:57,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:31:57,990 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-18 19:31:57,990 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) [2022-11-18 19:31:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-18 19:31:57,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 19:31:57,992 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:31:57,992 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-18 19:31:58,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:31:58,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:31:58,210 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:31:58,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:31:58,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-18 19:31:58,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:31:58,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674658450] [2022-11-18 19:31:58,214 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:31:58,214 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 [2022-11-18 19:31:58,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:31:58,221 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 19:31:58,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a46c835-3e3c-4340-9425-0d5d23ee61dd/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 19:31:59,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 19:31:59,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:31:59,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 1813 conjuncts, 341 conjunts are in the unsatisfiable core [2022-11-18 19:31:59,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:05,891 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:32:05,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:32:20,089 WARN L233 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 417 DAG size of output: 189 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)