./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e4f52ed6ec31f3f509aad5ffadcb124384802bf78fade278b01364c8156e3d63 --- 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-38b53e6 [2022-11-25 23:36:43,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:36:43,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:36:43,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:36:43,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:36:43,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:36:43,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:36:43,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:36:43,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:36:43,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:36:43,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:36:43,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:36:43,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:36:43,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:36:43,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:36:43,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:36:43,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:36:43,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:36:43,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:36:43,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:36:43,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:36:43,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:36:43,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:36:43,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:36:43,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:36:43,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:36:43,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:36:43,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:36:43,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:36:43,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:36:43,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:36:43,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:36:43,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:36:43,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:36:43,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:36:43,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:36:43,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:36:43,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:36:43,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:36:43,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:36:43,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:36:43,360 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:36:43,400 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:36:43,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:36:43,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:36:43,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:36:43,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:36:43,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:36:43,403 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:36:43,404 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:36:43,404 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:36:43,404 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:36:43,405 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:36:43,406 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:36:43,406 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:36:43,406 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:36:43,406 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:36:43,407 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:36:43,407 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:36:43,407 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:36:43,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:36:43,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:36:43,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:36:43,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:36:43,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:36:43,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:36:43,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:36:43,410 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:36:43,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:36:43,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:36:43,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:36:43,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:36:43,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:36:43,413 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:36:43,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:36:43,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:36:43,413 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:36:43,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:36:43,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:36:43,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:36:43,415 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_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4f52ed6ec31f3f509aad5ffadcb124384802bf78fade278b01364c8156e3d63 [2022-11-25 23:36:43,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:36:43,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:36:43,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:36:43,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:36:43,780 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:36:43,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-11-25 23:36:46,915 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:36:47,166 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:36:47,178 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-11-25 23:36:47,190 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/data/db951918a/476ef0bf24d7495e86f63c4aece80ce1/FLAG7266a1408 [2022-11-25 23:36:47,207 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/data/db951918a/476ef0bf24d7495e86f63c4aece80ce1 [2022-11-25 23:36:47,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:36:47,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:36:47,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:36:47,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:36:47,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:36:47,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533383af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47, skipping insertion in model container [2022-11-25 23:36:47,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:36:47,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:36:47,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c[1107,1120] [2022-11-25 23:36:47,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:36:47,506 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:36:47,518 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c[1107,1120] [2022-11-25 23:36:47,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:36:47,623 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:36:47,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47 WrapperNode [2022-11-25 23:36:47,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:36:47,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:36:47,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:36:47,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:36:47,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,688 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 300 [2022-11-25 23:36:47,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:36:47,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:36:47,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:36:47,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:36:47,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,721 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:36:47,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:36:47,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:36:47,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:36:47,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47" (1/1) ... [2022-11-25 23:36:47,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:36:47,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:36:47,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:36:47,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:36:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:36:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:36:47,932 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:36:47,934 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:36:48,991 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:36:49,024 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:36:49,024 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 23:36:49,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:36:49 BoogieIcfgContainer [2022-11-25 23:36:49,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:36:49,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:36:49,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:36:49,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:36:49,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:36:47" (1/3) ... [2022-11-25 23:36:49,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d99155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:36:49, skipping insertion in model container [2022-11-25 23:36:49,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:47" (2/3) ... [2022-11-25 23:36:49,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d99155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:36:49, skipping insertion in model container [2022-11-25 23:36:49,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:36:49" (3/3) ... [2022-11-25 23:36:49,051 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-11-25 23:36:49,071 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:36:49,071 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:36:49,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:36:49,136 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15989da3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:36:49,137 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:36:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:36:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:36:49,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:36:49,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:36:49,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:36:49,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:36:49,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-25 23:36:49,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:36:49,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716458180] [2022-11-25 23:36:49,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:36:49,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:36:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:36:49,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:36:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:36:49,595 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 23:36:49,597 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:36:49,599 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 23:36:49,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:36:49,606 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 23:36:49,611 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:36:49,655 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 23:36:49,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:36:49 BoogieIcfgContainer [2022-11-25 23:36:49,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:36:49,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:36:49,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:36:49,672 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:36:49,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:36:49" (3/4) ... [2022-11-25 23:36:49,680 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 23:36:49,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:36:49,682 INFO L158 Benchmark]: Toolchain (without parser) took 2470.76ms. Allocated memory is still 169.9MB. Free memory was 130.5MB in the beginning and 128.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-25 23:36:49,683 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:36:49,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.71ms. Allocated memory is still 169.9MB. Free memory was 130.5MB in the beginning and 114.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 23:36:49,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.14ms. Allocated memory is still 169.9MB. Free memory was 114.4MB in the beginning and 110.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:36:49,686 INFO L158 Benchmark]: Boogie Preprocessor took 38.66ms. Allocated memory is still 169.9MB. Free memory was 110.9MB in the beginning and 108.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:36:49,692 INFO L158 Benchmark]: RCFGBuilder took 1307.55ms. Allocated memory is still 169.9MB. Free memory was 108.1MB in the beginning and 67.4MB in the end (delta: 40.7MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2022-11-25 23:36:49,693 INFO L158 Benchmark]: TraceAbstraction took 631.59ms. Allocated memory is still 169.9MB. Free memory was 66.4MB in the beginning and 129.1MB in the end (delta: -62.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:36:49,695 INFO L158 Benchmark]: Witness Printer took 9.98ms. Allocated memory is still 169.9MB. Free memory was 129.1MB in the beginning and 128.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:36:49,703 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.71ms. Allocated memory is still 169.9MB. Free memory was 130.5MB in the beginning and 114.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.14ms. Allocated memory is still 169.9MB. Free memory was 114.4MB in the beginning and 110.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.66ms. Allocated memory is still 169.9MB. Free memory was 110.9MB in the beginning and 108.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1307.55ms. Allocated memory is still 169.9MB. Free memory was 108.1MB in the beginning and 67.4MB in the end (delta: 40.7MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * TraceAbstraction took 631.59ms. Allocated memory is still 169.9MB. Free memory was 66.4MB in the beginning and 129.1MB in the end (delta: -62.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.98ms. Allocated memory is still 169.9MB. Free memory was 129.1MB in the beginning and 128.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 127, overapproximation of bitwiseOr at line 119, overapproximation of bitwiseAnd at line 96. 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_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L31] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 4); [L32] const SORT_7 msb_SORT_7 = (SORT_7)1 << (4 - 1); [L34] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 3); [L35] const SORT_16 msb_SORT_16 = (SORT_16)1 << (3 - 1); [L37] const SORT_1 var_12 = 0; [L38] const SORT_16 var_17 = 0; [L39] const SORT_16 var_20 = 6; [L40] const SORT_16 var_25 = 7; [L41] const SORT_1 var_30 = 1; [L42] const SORT_5 var_34 = 0; [L43] const SORT_7 var_39 = 0; [L44] const SORT_7 var_42 = 8; [L45] const SORT_7 var_44 = 9; [L46] const SORT_7 var_47 = 15; [L47] const SORT_7 var_55 = 12; [L48] const SORT_7 var_58 = 4; [L49] const SORT_7 var_64 = 10; [L50] const SORT_7 var_66 = 11; [L51] const SORT_7 var_69 = 13; [L52] const SORT_7 var_84 = 1; [L53] const SORT_7 var_89 = 5; [L54] const SORT_16 var_114 = 1; [L55] const SORT_16 var_116 = 5; [L56] const SORT_5 var_125 = 1; [L58] SORT_1 input_2; [L59] SORT_1 input_3; [L60] SORT_1 input_4; [L61] SORT_5 input_6; [L62] SORT_7 input_8; [L63] SORT_1 input_9; [L64] SORT_1 input_10; [L65] SORT_1 input_11; [L66] SORT_5 input_93; [L67] SORT_5 input_95; [L68] SORT_5 input_97; [L69] SORT_5 input_99; [L70] SORT_5 input_101; [L71] SORT_5 input_103; [L72] SORT_5 input_105; [L73] SORT_5 input_107; [L74] SORT_5 input_109; [L76] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_16 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L78] SORT_16 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L79] SORT_5 state_35 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L81] SORT_1 init_14_arg_1 = var_12; [L82] state_13 = init_14_arg_1 [L83] SORT_16 init_19_arg_1 = var_17; [L84] state_18 = init_19_arg_1 [L85] SORT_16 init_24_arg_1 = var_17; [L86] state_23 = init_24_arg_1 [L87] SORT_5 init_36_arg_1 = var_34; [L88] state_35 = init_36_arg_1 VAL [init_14_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_36_arg_1=0, mask_SORT_1=1, mask_SORT_16=7, mask_SORT_5=4095, mask_SORT_7=15, msb_SORT_1=1, msb_SORT_16=4, msb_SORT_5=2048, msb_SORT_7=8, state_13=0, state_18=0, state_23=0, state_35=0, var_114=1, var_116=5, var_12=0, var_125=1, var_17=0, var_20=6, var_25=7, var_30=1, var_34=0, var_39=0, var_42=8, var_44=9, var_47=15, var_55=12, var_58=4, var_64=10, var_66=11, var_69=13, var_84=1, var_89=5] [L91] input_2 = __VERIFIER_nondet_uchar() [L92] input_3 = __VERIFIER_nondet_uchar() [L93] input_4 = __VERIFIER_nondet_uchar() [L94] input_6 = __VERIFIER_nondet_ushort() [L95] input_8 = __VERIFIER_nondet_uchar() [L96] input_8 = input_8 & mask_SORT_7 [L97] input_9 = __VERIFIER_nondet_uchar() [L98] input_10 = __VERIFIER_nondet_uchar() [L99] input_11 = __VERIFIER_nondet_uchar() [L100] input_93 = __VERIFIER_nondet_ushort() [L101] input_95 = __VERIFIER_nondet_ushort() [L102] input_97 = __VERIFIER_nondet_ushort() [L103] input_99 = __VERIFIER_nondet_ushort() [L104] input_101 = __VERIFIER_nondet_ushort() [L105] input_103 = __VERIFIER_nondet_ushort() [L106] input_105 = __VERIFIER_nondet_ushort() [L107] input_107 = __VERIFIER_nondet_ushort() [L108] input_109 = __VERIFIER_nondet_ushort() [L111] SORT_1 var_15_arg_0 = state_13; [L112] SORT_1 var_15_arg_1 = var_12; [L113] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L114] SORT_16 var_21_arg_0 = state_18; [L115] SORT_16 var_21_arg_1 = var_20; [L116] SORT_1 var_21 = var_21_arg_0 != var_21_arg_1; [L117] SORT_1 var_22_arg_0 = var_15; [L118] SORT_1 var_22_arg_1 = var_21; [L119] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L120] SORT_16 var_26_arg_0 = state_23; [L121] SORT_16 var_26_arg_1 = var_25; [L122] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L123] SORT_1 var_27_arg_0 = var_22; [L124] SORT_1 var_27_arg_1 = var_26; [L125] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L126] SORT_1 var_31_arg_0 = var_27; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_30; [L129] SORT_1 var_32_arg_1 = var_31; [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] var_32 = var_32 & mask_SORT_1 [L132] SORT_1 bad_33_arg_0 = var_32; [L133] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 23:36:49,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e4f52ed6ec31f3f509aad5ffadcb124384802bf78fade278b01364c8156e3d63 --- 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-38b53e6 [2022-11-25 23:36:52,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:36:52,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:36:52,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:36:52,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:36:52,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:36:52,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:36:52,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:36:52,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:36:52,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:36:52,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:36:52,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:36:52,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:36:52,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:36:52,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:36:52,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:36:52,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:36:52,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:36:52,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:36:52,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:36:52,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:36:52,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:36:52,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:36:52,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:36:52,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:36:52,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:36:52,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:36:52,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:36:52,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:36:52,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:36:52,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:36:52,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:36:52,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:36:52,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:36:52,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:36:52,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:36:52,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:36:52,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:36:52,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:36:52,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:36:52,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:36:52,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-25 23:36:52,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:36:52,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:36:52,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:36:52,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:36:52,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:36:52,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:36:52,476 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:36:52,477 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:36:52,477 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:36:52,477 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:36:52,478 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:36:52,479 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:36:52,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:36:52,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:36:52,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:36:52,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:36:52,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:36:52,481 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:36:52,481 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:36:52,481 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:36:52,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:36:52,482 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:36:52,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:36:52,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:36:52,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:36:52,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:36:52,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:36:52,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:36:52,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:36:52,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:36:52,484 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:36:52,484 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:36:52,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:36:52,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:36:52,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:36:52,486 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_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4f52ed6ec31f3f509aad5ffadcb124384802bf78fade278b01364c8156e3d63 [2022-11-25 23:36:52,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:36:52,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:36:52,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:36:52,946 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:36:52,946 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:36:52,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-11-25 23:36:56,212 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:36:56,534 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:36:56,550 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-11-25 23:36:56,566 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/data/7f844c064/8ff8688f3a96472fa663de2fcc988b5a/FLAG2d40f5cbb [2022-11-25 23:36:56,593 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/data/7f844c064/8ff8688f3a96472fa663de2fcc988b5a [2022-11-25 23:36:56,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:36:56,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:36:56,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:36:56,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:36:56,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:36:56,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9d64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:56, skipping insertion in model container [2022-11-25 23:36:56,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:36:56" (1/1) ... [2022-11-25 23:36:56,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:36:56,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:36:56,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c[1107,1120] [2022-11-25 23:36:56,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:36:56,999 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:36:57,013 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p2.c[1107,1120] [2022-11-25 23:36:57,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:36:57,115 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:36:57,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57 WrapperNode [2022-11-25 23:36:57,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:36:57,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:36:57,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:36:57,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:36:57,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,172 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 300 [2022-11-25 23:36:57,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:36:57,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:36:57,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:36:57,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:36:57,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,226 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:36:57,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:36:57,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:36:57,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:36:57,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:36:57,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:36:57,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:36:57,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:36:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:36:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:36:57,484 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:36:57,486 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:36:57,939 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:36:57,945 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:36:57,945 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 23:36:57,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:36:57 BoogieIcfgContainer [2022-11-25 23:36:57,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:36:57,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:36:57,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:36:57,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:36:57,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:36:56" (1/3) ... [2022-11-25 23:36:57,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6049a815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:36:57, skipping insertion in model container [2022-11-25 23:36:57,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57" (2/3) ... [2022-11-25 23:36:57,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6049a815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:36:57, skipping insertion in model container [2022-11-25 23:36:57,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:36:57" (3/3) ... [2022-11-25 23:36:57,960 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p2.c [2022-11-25 23:36:57,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:36:57,979 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:36:58,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:36:58,070 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@725f4688, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:36:58,070 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:36:58,074 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) [2022-11-25 23:36:58,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 23:36:58,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:36:58,081 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 23:36:58,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:36:58,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:36:58,090 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 23:36:58,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:36:58,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019453424] [2022-11-25 23:36:58,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:36:58,106 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 [2022-11-25 23:36:58,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:36:58,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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) [2022-11-25 23:36:58,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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 [2022-11-25 23:36:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:36:58,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-25 23:36:58,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:36:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:36:58,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:36:58,524 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:36:58,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019453424] [2022-11-25 23:36:58,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1019453424] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:36:58,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:36:58,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:36:58,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455428770] [2022-11-25 23:36:58,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:36:58,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:36:58,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:36:58,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:36:58,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:36:58,581 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) [2022-11-25 23:36:58,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:36:58,678 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 23:36:58,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:36:58,680 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 [2022-11-25 23:36:58,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:36:58,688 INFO L225 Difference]: With dead ends: 20 [2022-11-25 23:36:58,688 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 23:36:58,691 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 [2022-11-25 23:36:58,694 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:36:58,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:36:58,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 23:36:58,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 23:36:58,723 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) [2022-11-25 23:36:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 23:36:58,725 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 23:36:58,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:36:58,726 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 23:36:58,726 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) [2022-11-25 23:36:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 23:36:58,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:36:58,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:36:58,727 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 23:36:58,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-25 23:36:58,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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 [2022-11-25 23:36:58,939 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:36:58,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:36:58,939 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 23:36:58,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:36:58,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224163083] [2022-11-25 23:36:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:36:58,940 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 [2022-11-25 23:36:58,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:36:58,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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) [2022-11-25 23:36:58,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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 [2022-11-25 23:36:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:36:59,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-25 23:36:59,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:36:59,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:36:59,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:36:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:36:59,668 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:36:59,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224163083] [2022-11-25 23:36:59,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224163083] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:36:59,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1742425293] [2022-11-25 23:36:59,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:36:59,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 23:36:59,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-25 23:36:59,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 23:36:59,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-25 23:37:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:00,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-25 23:37:00,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:00,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:37:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:00,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1742425293] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:37:00,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966699452] [2022-11-25 23:37:00,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:00,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:00,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:37:00,269 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:37:00,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:37:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:00,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-25 23:37:00,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:00,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:00,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:37:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:00,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966699452] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:37:00,761 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-25 23:37:00,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 6, 6] total 11 [2022-11-25 23:37:00,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955172360] [2022-11-25 23:37:00,763 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-25 23:37:00,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 23:37:00,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:37:00,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 23:37:00,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:37:00,767 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 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) [2022-11-25 23:37:00,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:00,914 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-25 23:37:00,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:37:00,914 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 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 [2022-11-25 23:37:00,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:00,915 INFO L225 Difference]: With dead ends: 16 [2022-11-25 23:37:00,915 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 23:37:00,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-11-25 23:37:00,917 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:00,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 26 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:37:00,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 23:37:00,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-25 23:37:00,921 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) [2022-11-25 23:37:00,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-25 23:37:00,922 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-25 23:37:00,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:00,923 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-25 23:37:00,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 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) [2022-11-25 23:37:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-25 23:37:00,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:37:00,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:00,924 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 23:37:00,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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 [2022-11-25 23:37:01,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-25 23:37:01,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:37:01,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt [2022-11-25 23:37:01,537 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:37:01,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:01,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-25 23:37:01,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:37:01,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533725932] [2022-11-25 23:37:01,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 23:37:01,539 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 [2022-11-25 23:37:01,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:37:01,541 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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) [2022-11-25 23:37:01,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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 (6)] Waiting until timeout for monitored process [2022-11-25 23:37:01,809 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 23:37:01,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:37:01,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-25 23:37:01,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:02,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:37:03,393 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:03,394 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:37:03,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533725932] [2022-11-25 23:37:03,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533725932] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:37:03,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1659099230] [2022-11-25 23:37:03,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 23:37:03,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 23:37:03,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-25 23:37:03,399 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 23:37:03,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-25 23:37:03,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 23:37:03,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:37:03,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-25 23:37:03,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:04,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:37:04,783 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:04,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1659099230] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:37:04,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592634080] [2022-11-25 23:37:04,784 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 23:37:04,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:04,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:37:04,786 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:37:04,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 23:37:05,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 23:37:05,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:37:05,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-25 23:37:05,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:05,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:05,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:37:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:06,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592634080] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:37:06,348 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-25 23:37:06,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 17 [2022-11-25 23:37:06,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785677169] [2022-11-25 23:37:06,349 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-25 23:37:06,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-25 23:37:06,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:37:06,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-25 23:37:06,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2022-11-25 23:37:06,351 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 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) [2022-11-25 23:37:06,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:06,948 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-11-25 23:37:06,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 23:37:06,951 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 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 11 [2022-11-25 23:37:06,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:06,952 INFO L225 Difference]: With dead ends: 22 [2022-11-25 23:37:06,952 INFO L226 Difference]: Without dead ends: 20 [2022-11-25 23:37:06,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2022-11-25 23:37:06,953 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:06,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 33 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:37:06,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-25 23:37:06,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-11-25 23:37:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 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) [2022-11-25 23:37:06,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-11-25 23:37:06,962 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 11 [2022-11-25 23:37:06,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:06,962 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-11-25 23:37:06,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 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) [2022-11-25 23:37:06,963 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-11-25 23:37:06,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 23:37:06,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:06,964 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-11-25 23:37:06,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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 (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:37:07,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:37:07,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:37:07,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:07,578 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:37:07,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:07,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 3 times [2022-11-25 23:37:07,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:37:07,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910796524] [2022-11-25 23:37:07,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:37:07,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:37:07,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:37:07,583 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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) [2022-11-25 23:37:07,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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 (9)] Waiting until timeout for monitored process [2022-11-25 23:37:07,971 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-25 23:37:07,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:37:07,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 114 conjunts are in the unsatisfiable core [2022-11-25 23:37:07,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:09,435 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:09,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:40:51,825 WARN L233 SmtUtils]: Spent 3.34m on a formula simplification. DAG size of input: 875 DAG size of output: 414 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:40:54,092 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:40:54,092 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:40:54,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910796524] [2022-11-25 23:40:54,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910796524] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:40:54,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [618488987] [2022-11-25 23:40:54,093 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:40:54,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 23:40:54,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-25 23:40:54,098 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 23:40:54,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2022-11-25 23:40:54,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-25 23:40:54,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:40:54,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 130 conjunts are in the unsatisfiable core [2022-11-25 23:40:54,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:40:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:40:59,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:41:31,936 WARN L233 SmtUtils]: Spent 10.47s on a formula simplification. DAG size of input: 390 DAG size of output: 320 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:44:47,703 WARN L233 SmtUtils]: Spent 2.93m on a formula simplification. DAG size of input: 906 DAG size of output: 446 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:44:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:44:53,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [618488987] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:44:53,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926734362] [2022-11-25 23:44:53,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:44:53,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:44:53,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:44:53,288 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:44:53,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 23:44:53,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-25 23:44:53,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:44:53,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 125 conjunts are in the unsatisfiable core [2022-11-25 23:44:53,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:45:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:45:00,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:45:14,484 WARN L233 SmtUtils]: Spent 8.41s on a formula simplification. DAG size of input: 179 DAG size of output: 168 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:45:51,275 WARN L233 SmtUtils]: Spent 23.52s on a formula simplification. DAG size of input: 394 DAG size of output: 321 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:46:13,792 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse42 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_17~0#1|)) (.cse22 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_114~0#1|)) (.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_16~0#1|)) (.cse83 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_23~0#1|))) (let ((.cse93 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse83)))))))))) (.cse35 (bvneg .cse22)) (.cse43 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse42)))))) .cse23))))) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse22 .cse43))))))) .cse23)))) (.cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 .cse43))))))))) (.cse45 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse97 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_30~0#1|)) (.cse20 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_20~0#1|)) (.cse86 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse93)))))) .cse23))))) (let ((.cse89 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse22 .cse93))))))) .cse23)))) (.cse12 (= .cse20 .cse86)) (.cse48 (not (= .cse97 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_12~0#1|)))) (.cse27 (forall ((|v_ULTIMATE.start_main_~var_32_arg_0~0#1_24| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_22_arg_0~0#1_24| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_27_arg_1~0#1_24| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_22_arg_0~0#1_24|) (_ bv0 32)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_27_arg_1~0#1_24|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_32_arg_0~0#1_24|)))) .cse45)) (_ bv0 8)))) (.cse39 (= .cse20 .cse38)) (.cse10 (forall ((|v_ULTIMATE.start_main_~var_32_arg_0~0#1_24| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_27_arg_1~0#1_24| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_22_arg_0~0#1_24| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse45 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_27_arg_1~0#1_24|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_22_arg_0~0#1_24|) (_ bv1 32)))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_32_arg_0~0#1_24|)))))) (_ bv0 8)))) (.cse96 (= .cse20 .cse43)) (.cse25 (= .cse21 .cse20)) (.cse24 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_116~0#1|)) (.cse26 (forall ((|v_ULTIMATE.start_main_~var_118_arg_0~0#1_29| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse45 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_118_arg_0~0#1_29|) (_ bv1 32)))))) (_ bv0 8)))) (.cse11 (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse45 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse97 (_ bv254 32)))))))))) (let ((.cse4 (or .cse96 (not .cse25) (= .cse24 .cse43) .cse26 .cse11)) (.cse5 (or .cse96 .cse10 .cse11)) (.cse14 (or .cse96 .cse27 .cse11 (not .cse39))) (.cse0 (= .cse42 .cse83)) (.cse30 (not (= ((_ extract 7 0) (bvand .cse45 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse97 (_ bv255 32)))))) (_ bv0 8)))) (.cse31 (or .cse48 .cse11)) (.cse41 (forall ((|v_ULTIMATE.start_main_~var_122_arg_0~0#1_30| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_122_arg_0~0#1_30|) (_ bv1 32)))) .cse45)) (_ bv0 8)))) (.cse29 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_25~0#1|)) (.cse85 (or .cse11 .cse12)) (.cse94 (= .cse20 .cse89)) (.cse19 (and .cse10 (or .cse27 (not .cse96))))) (let ((.cse6 (or .cse94 .cse11 .cse19)) (.cse7 (let ((.cse95 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse86 .cse35))))) .cse23))))) (or (and .cse10 (or .cse27 (not (= .cse20 .cse95)))) (and (or .cse11 (not (= .cse29 .cse95))) .cse85)))) (.cse8 (or (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse89 .cse22))))))) .cse23))))) (= .cse89 .cse24) .cse94 .cse26 .cse11)) (.cse9 (or .cse27 .cse94 (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse89 .cse35))))) .cse23))))) .cse11)) (.cse13 (or (let ((.cse91 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 .cse93))))) .cse23))))) (let ((.cse90 (= .cse91 .cse20))) (and (or .cse90 (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse91 .cse35))))) .cse23))))) .cse11) (let ((.cse92 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse91)))))) .cse23))))) (or (and .cse30 .cse31 (or (not (= .cse92 .cse29)) .cse11)) (not (= .cse92 .cse20)))) (or .cse90 .cse11 .cse19) (or .cse90 (= .cse91 .cse24) .cse11 (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse91 .cse22))))))) .cse23))))))))) (= .cse42 .cse93) .cse41)) (.cse15 (let ((.cse88 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse89)))))) .cse23))))) (or (and (or .cse11 (not (= .cse88 .cse29))) .cse30 .cse31) (not (= .cse88 .cse20)) .cse27))) (.cse16 (let ((.cse87 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse86)))))) .cse23))))) (or .cse27 (not (= .cse20 .cse87)) (and (or (not (= .cse29 .cse87)) .cse11) .cse30 .cse31)))) (.cse17 (let ((.cse84 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse86 .cse22))))))) .cse23))))) (or (and (or (not (= .cse29 .cse84)) .cse11) .cse85) (= .cse86 .cse24) (and .cse10 (not (= .cse20 .cse84))) .cse26))) (.cse18 (not .cse0)) (.cse2 (let ((.cse77 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse22 .cse83))))))) .cse23))))) (let ((.cse74 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse77))))))))))) (let ((.cse71 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse22 .cse77))))))) .cse23)))) (.cse81 (= .cse74 .cse20))) (let ((.cse73 (or .cse81 .cse11)) (.cse70 (= .cse20 .cse71))) (and (or .cse70 .cse26 (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse22 .cse71))))))) .cse23))))) .cse11 (= .cse24 .cse71)) .cse4 (or .cse27 .cse70 .cse11 (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 .cse71))))) .cse23)))))) (let ((.cse72 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse74 .cse22))))))) .cse23))))) (or (and .cse10 (not (= .cse20 .cse72))) .cse26 (and (or (not (= .cse29 .cse72)) .cse11) .cse73) (= .cse74 .cse24))) (let ((.cse75 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse71)))))) .cse23))))) (or (and .cse30 (or (not (= .cse75 .cse29)) .cse11) .cse31) .cse27 (not (= .cse75 .cse20)))) .cse5 (let ((.cse76 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse74 .cse35))))) .cse23))))) (or (and (or .cse27 (not (= .cse76 .cse20))) .cse10) (and .cse73 (or .cse11 (not (= .cse76 .cse29)))))) (or .cse70 .cse11 .cse19) (or .cse41 (= .cse42 .cse77) (let ((.cse79 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 .cse77))))) .cse23))))) (let ((.cse78 (= .cse20 .cse79))) (and (or .cse78 .cse11 .cse19) (or .cse78 (= .cse79 .cse24) (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse79 .cse22))))))) .cse23))))) .cse11) (let ((.cse80 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse79)))))) .cse23))))) (or (not (= .cse20 .cse80)) (and (or (not (= .cse29 .cse80)) .cse11) .cse30 .cse31))) (or .cse78 .cse11 (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse79 .cse35))))) .cse23))) .cse20))))))) .cse14 (or .cse81 .cse11 .cse19) (let ((.cse82 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse74)))))) .cse23))))) (or .cse27 (not (= .cse20 .cse82)) (and .cse30 .cse31 (or (not (= .cse29 .cse82)) .cse11)))))))))) (.cse3 (or (forall ((|v_ULTIMATE.start_main_~var_122_arg_0~0#1_31| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse45 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_122_arg_0~0#1_31|)))))) (_ bv0 8))) (let ((.cse56 (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))))))) .cse23))))))) (and (or .cse27 (let ((.cse47 (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))) .cse22)))))))))))))))) .cse23)))))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse46 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))) .cse22)))))))))))))))) .cse23))))) (or (not (= .cse29 .cse46)) (not (= .cse20 .cse46))))) .cse11) (or .cse47 .cse30) (or .cse47 .cse48 .cse11)))) .cse4 (or .cse27 (and (or (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse49 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))))))) .cse23))))) (or (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse49 .cse35)))))))))) (= .cse20 .cse49)))) .cse11) (or .cse11 (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse50 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))))))) .cse23))) .cse35)))))))))) (or (not (= .cse20 .cse50)) (not (= .cse29 .cse50)))))))) (or (and (or (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))))))) .cse23))))) (or (= .cse51 .cse24) (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse51 .cse22))))))) .cse23))))) (= .cse20 .cse51)))) .cse11) (or .cse10 (and (or (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse52 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))))))) .cse23))))) (or (= .cse52 .cse24) (= .cse20 .cse52)))) .cse11) (or (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse53 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))))))) .cse23))))) (or (= .cse53 .cse24) (not (= .cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse53 .cse22))))))) .cse23)))))))) .cse11))) (or (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse54 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))))))) .cse23))))) (let ((.cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse54 .cse22))))))) .cse23))))) (or (= .cse54 .cse24) (not (= .cse29 .cse55)) (not (= .cse20 .cse55)))))) .cse11)) .cse26) (or .cse10 (and (or (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (not (= .cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))))))) .cse23))) .cse35))))))))))) .cse11) (or .cse56 .cse11))) .cse5 (or .cse41 (let ((.cse62 (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse65 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))) (or (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse65 .cse35))))) .cse23))))))))) .cse23))))) (= .cse65 .cse42)))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse58 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))) (let ((.cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse58 .cse35))))) .cse23))))) (or (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse57 .cse35))))) .cse23))))) (= .cse58 .cse42) (= .cse20 .cse57))))) .cse11) (or (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse59 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))) (or (= .cse59 .cse42) (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse59 .cse35))))) .cse23))))))) .cse11 .cse19) (or .cse11 (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse61 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))) (let ((.cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse61 .cse35))))) .cse23))))))))) .cse23))))) (or (not (= .cse20 .cse60)) (= .cse61 .cse42) (not (= .cse29 .cse60))))))) (or .cse62 .cse48 .cse11) (or .cse62 .cse30) (or .cse11 (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse64 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))) (let ((.cse63 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse64 .cse35))))) .cse23))))) (or (= .cse24 .cse63) (= .cse64 .cse42) (= .cse20 .cse63) (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse63 .cse22))))))) .cse23))))))))))))) (or .cse27 (let ((.cse67 (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))))))) .cse23))))))))) .cse23))) .cse20))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse66 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))))))))) .cse23))))))))) .cse23))))) (or (not (= .cse66 .cse20)) (not (= .cse66 .cse29))))) .cse11) (or .cse67 .cse30) (or .cse67 .cse48 .cse11)))) (or .cse56 .cse11 .cse19) (or .cse11 .cse19 (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))) .cse22))))))))))))) (or .cse26 .cse11 (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse68 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))) .cse22)))))))))))) (or (= .cse20 .cse68) (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse22 .cse68))))))) .cse23))))) (= .cse24 .cse68))))) (or (forall ((|v_ULTIMATE.start_main_~var_123_arg_1~0#1_31| (_ BitVec 8))) (let ((.cse69 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_123_arg_1~0#1_31|))) .cse23))) .cse22)))))))))))) (or (= .cse20 .cse69) (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse69 .cse35))))) .cse23)))))))) .cse27 .cse11) .cse14)))) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_122_arg_0~0#1_31| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse45 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_122_arg_0~0#1_31|)))))) (_ bv0 8)))))) (and (or .cse0 (and (or .cse1 .cse2) .cse3)) (or (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (or .cse10 .cse11 .cse12) .cse13 .cse14 .cse15 .cse16 .cse17) .cse18) (or (and (or .cse1 (and (or .cse11 .cse19 .cse12) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse13 .cse14 .cse15 .cse16 .cse17)) .cse3) .cse0) (or .cse18 .cse2) (or .cse0 (and .cse3 (or .cse1 (let ((.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse43)))))) .cse23))))) (let ((.cse34 (= .cse20 .cse32))) (let ((.cse36 (or .cse34 .cse11))) (and (or (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse21 .cse22))))))) .cse23))))) (= .cse21 .cse24) .cse25 .cse26 .cse11) .cse4 .cse5 (let ((.cse28 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse32)))))) .cse23))))) (or .cse27 (not (= .cse20 .cse28)) (and (or (not (= .cse29 .cse28)) .cse11) .cse30 .cse31))) (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse21)))))) .cse23))))) (or .cse27 (not (= .cse20 .cse33)) (and .cse30 .cse31 (or (not (= .cse29 .cse33)) .cse11)))) (or .cse34 .cse10 .cse11) (or .cse27 .cse25 .cse11 (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse21 .cse35))))))))))) (or .cse25 .cse11 .cse19) (let ((.cse37 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse32 .cse22))))))) .cse23))))) (or (and .cse36 (or (not (= .cse37 .cse29)) .cse11)) (and .cse10 (not (= .cse37 .cse20))) .cse26 (= .cse32 .cse24))) .cse14 (or (and (or (= .cse24 .cse38) .cse39 (not (= .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse22 .cse38)))))))))))) .cse11) (let ((.cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse38)))))) .cse23))))) (or (and .cse30 .cse31 (or (not (= .cse40 .cse29)) .cse11)) (not (= .cse40 .cse20)))) (or .cse39 (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 .cse38))))) .cse23))) .cse20)) .cse11) (or .cse39 .cse11 .cse19)) .cse41 (= .cse42 .cse43)) (let ((.cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse32 .cse35))))) .cse23))))) (or (and .cse36 (or (not (= .cse44 .cse29)) .cse11)) (and .cse10 (or .cse27 (not (= .cse44 .cse20)))))))))))))))))))) is different from false [2022-11-25 23:46:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 11 not checked. [2022-11-25 23:46:46,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926734362] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:46:46,691 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-25 23:46:46,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 10, 10, 10] total 38 [2022-11-25 23:46:46,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490538095] [2022-11-25 23:46:46,691 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-25 23:46:46,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-25 23:46:46,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:46:46,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-25 23:46:46,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=1038, Unknown=9, NotChecked=70, Total=1406 [2022-11-25 23:46:46,694 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 38 states, 38 states have (on average 1.9736842105263157) internal successors, (75), 38 states have internal predecessors, (75), 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) [2022-11-25 23:47:08,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:47:08,066 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2022-11-25 23:47:08,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 23:47:08,067 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.9736842105263157) internal successors, (75), 38 states have internal predecessors, (75), 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 17 [2022-11-25 23:47:08,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:47:08,068 INFO L225 Difference]: With dead ends: 31 [2022-11-25 23:47:08,068 INFO L226 Difference]: Without dead ends: 29 [2022-11-25 23:47:08,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 57 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 692 ImplicationChecksByTransitivity, 490.9s TimeCoverageRelationStatistics Valid=497, Invalid=1478, Unknown=9, NotChecked=86, Total=2070 [2022-11-25 23:47:08,070 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 67 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:47:08,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 39 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 69 Invalid, 0 Unknown, 14 Unchecked, 1.8s Time] [2022-11-25 23:47:08,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-25 23:47:08,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2022-11-25 23:47:08,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 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) [2022-11-25 23:47:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2022-11-25 23:47:08,081 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 17 [2022-11-25 23:47:08,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:47:08,081 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2022-11-25 23:47:08,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.9736842105263157) internal successors, (75), 38 states have internal predecessors, (75), 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) [2022-11-25 23:47:08,081 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2022-11-25 23:47:08,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 23:47:08,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:47:08,082 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 1, 1, 1, 1] [2022-11-25 23:47:08,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2022-11-25 23:47:08,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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 (9)] Forceful destruction successful, exit code 0 [2022-11-25 23:47:08,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 23:47:08,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:47:08,689 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:47:08,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:47:08,690 INFO L85 PathProgramCache]: Analyzing trace with hash -752690141, now seen corresponding path program 4 times [2022-11-25 23:47:08,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:47:08,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073093536] [2022-11-25 23:47:08,693 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 23:47:08,693 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 [2022-11-25 23:47:08,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:47:08,694 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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) [2022-11-25 23:47:08,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281a9588-6786-491a-95a5-be7d1977ff73/bin/utaipan-ByfvJB40ur/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 (12)] Waiting until timeout for monitored process [2022-11-25 23:47:09,272 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 23:47:09,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:47:09,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 1502 conjuncts, 429 conjunts are in the unsatisfiable core [2022-11-25 23:47:09,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:48:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:48:09,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:48:26,287 WARN L233 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 179 DAG size of output: 159 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)