./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:27:07,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:07,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:08,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:08,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:08,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:08,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:08,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:08,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:08,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:08,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:08,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:08,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:08,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:08,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:08,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:08,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:08,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:08,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:08,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:08,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:08,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:08,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:08,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:08,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:08,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:08,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:08,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:08,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:08,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:08,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:08,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:08,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:08,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:08,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:08,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:08,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:08,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:08,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:08,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:08,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:08,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 09:27:08,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:08,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:08,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:08,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:08,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:08,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:08,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:08,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:08,148 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:08,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:08,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:08,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:08,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:08,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:08,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:08,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:08,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:08,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:08,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:08,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:08,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:08,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:08,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:08,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:08,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:08,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:08,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:27:08,155 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:08,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:08,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:08,156 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_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b [2022-11-20 09:27:08,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:08,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:08,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:08,498 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:08,499 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:08,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-20 09:27:11,446 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:11,703 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:11,704 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-20 09:27:11,715 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/data/8f031007a/848a3f973bfd4088b658d989cc1360d4/FLAGc65e07d64 [2022-11-20 09:27:11,730 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/data/8f031007a/848a3f973bfd4088b658d989cc1360d4 [2022-11-20 09:27:11,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:11,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:11,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:11,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:11,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:11,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:11" (1/1) ... [2022-11-20 09:27:11,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66cce2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:11, skipping insertion in model container [2022-11-20 09:27:11,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:11" (1/1) ... [2022-11-20 09:27:11,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:11,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:11,929 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_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-20 09:27:12,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:12,097 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:12,109 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_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-20 09:27:12,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:12,274 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:12,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12 WrapperNode [2022-11-20 09:27:12,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:12,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:12,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:12,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:12,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,392 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 509 [2022-11-20 09:27:12,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:12,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:12,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:12,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:12,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,453 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:12,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:12,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:12,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:12,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:12,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:12,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:12,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:12,862 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:27:12,864 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:27:21,204 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:27:21,215 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:27:21,215 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 09:27:21,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:21 BoogieIcfgContainer [2022-11-20 09:27:21,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:27:21,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:27:21,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:27:21,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:27:21,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:11" (1/3) ... [2022-11-20 09:27:21,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724c96fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:21, skipping insertion in model container [2022-11-20 09:27:21,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12" (2/3) ... [2022-11-20 09:27:21,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724c96fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:21, skipping insertion in model container [2022-11-20 09:27:21,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:21" (3/3) ... [2022-11-20 09:27:21,241 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Ibuf.c [2022-11-20 09:27:21,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:27:21,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:27:21,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:27:21,324 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4cc37c19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:27:21,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:27:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:21,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 09:27:21,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:21,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 09:27:21,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:21,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:21,344 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 09:27:21,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:21,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847846854] [2022-11-20 09:27:21,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:21,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:21,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:21,724 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 09:27:21,726 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 09:27:21,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:27:21,732 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 09:27:21,736 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:27:21,752 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 09:27:21,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:27:21 BoogieIcfgContainer [2022-11-20 09:27:21,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:27:21,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:27:21,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:27:21,760 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:27:21,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:21" (3/4) ... [2022-11-20 09:27:21,764 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 09:27:21,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:27:21,766 INFO L158 Benchmark]: Toolchain (without parser) took 10031.94ms. Allocated memory was 121.6MB in the beginning and 488.6MB in the end (delta: 367.0MB). Free memory was 78.0MB in the beginning and 219.9MB in the end (delta: -141.9MB). Peak memory consumption was 226.5MB. Max. memory is 16.1GB. [2022-11-20 09:27:21,767 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:21,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.06ms. Allocated memory is still 121.6MB. Free memory was 77.6MB in the beginning and 55.0MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 09:27:21,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.93ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 55.0MB in the beginning and 147.2MB in the end (delta: -92.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-11-20 09:27:21,769 INFO L158 Benchmark]: Boogie Preprocessor took 70.66ms. Allocated memory is still 180.4MB. Free memory was 147.2MB in the beginning and 144.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:27:21,770 INFO L158 Benchmark]: RCFGBuilder took 8752.07ms. Allocated memory was 180.4MB in the beginning and 488.6MB in the end (delta: 308.3MB). Free memory was 144.1MB in the beginning and 247.2MB in the end (delta: -103.1MB). Peak memory consumption was 292.2MB. Max. memory is 16.1GB. [2022-11-20 09:27:21,771 INFO L158 Benchmark]: TraceAbstraction took 537.18ms. Allocated memory is still 488.6MB. Free memory was 246.1MB in the beginning and 219.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 09:27:21,771 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 488.6MB. Free memory is still 219.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:21,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.06ms. Allocated memory is still 121.6MB. Free memory was 77.6MB in the beginning and 55.0MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.93ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 55.0MB in the beginning and 147.2MB in the end (delta: -92.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.66ms. Allocated memory is still 180.4MB. Free memory was 147.2MB in the beginning and 144.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 8752.07ms. Allocated memory was 180.4MB in the beginning and 488.6MB in the end (delta: 308.3MB). Free memory was 144.1MB in the beginning and 247.2MB in the end (delta: -103.1MB). Peak memory consumption was 292.2MB. Max. memory is 16.1GB. * TraceAbstraction took 537.18ms. Allocated memory is still 488.6MB. Free memory was 246.1MB in the beginning and 219.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 488.6MB. Free memory is still 219.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 65, overapproximation of bitwiseOr at line 68, overapproximation of bitwiseAnd at line 75. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L34] const SORT_5 var_9 = 0; [L35] const SORT_1 var_26 = 1; [L36] const SORT_1 var_140 = 0; [L38] SORT_1 input_2; [L39] SORT_3 input_4; [L40] SORT_5 input_6; [L41] SORT_3 input_7; [L42] SORT_5 input_8; [L44] SORT_5 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L45] SORT_5 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L47] SORT_5 init_11_arg_1 = var_9; [L48] state_10 = init_11_arg_1 [L49] SORT_5 init_14_arg_1 = var_9; [L50] state_13 = init_14_arg_1 VAL [init_11_arg_1=0, init_14_arg_1=0, mask_SORT_1=1, mask_SORT_3=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_3=2, msb_SORT_5=4, state_10=0, state_13=0, var_140=0, var_26=1, var_9=0] [L53] input_2 = __VERIFIER_nondet_uchar() [L54] input_4 = __VERIFIER_nondet_uchar() [L55] input_6 = __VERIFIER_nondet_uchar() [L56] input_7 = __VERIFIER_nondet_uchar() [L57] input_8 = __VERIFIER_nondet_uchar() [L60] SORT_5 var_12_arg_0 = state_10; [L61] SORT_1 var_12 = var_12_arg_0 >> 0; [L62] SORT_5 var_15_arg_0 = state_13; [L63] SORT_1 var_15 = var_15_arg_0 >> 0; [L64] SORT_1 var_16_arg_0 = var_15; [L65] SORT_1 var_16 = ~var_16_arg_0; [L66] SORT_1 var_17_arg_0 = var_12; [L67] SORT_1 var_17_arg_1 = var_16; [L68] SORT_1 var_17 = var_17_arg_0 | var_17_arg_1; [L69] SORT_5 var_18_arg_0 = state_10; [L70] SORT_1 var_18 = var_18_arg_0 >> 1; [L71] SORT_1 var_19_arg_0 = var_18; [L72] SORT_1 var_19 = ~var_19_arg_0; [L73] SORT_1 var_20_arg_0 = var_12; [L74] SORT_1 var_20_arg_1 = var_19; [L75] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L76] SORT_1 var_21_arg_0 = var_20; [L77] SORT_1 var_21 = ~var_21_arg_0; [L78] SORT_1 var_22_arg_0 = var_21; [L79] SORT_1 var_22_arg_1 = var_15; [L80] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L81] SORT_1 var_23_arg_0 = var_17; [L82] SORT_1 var_23_arg_1 = var_22; [L83] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L84] SORT_1 var_27_arg_0 = var_23; [L85] SORT_1 var_27 = ~var_27_arg_0; [L86] SORT_1 var_28_arg_0 = var_26; [L87] SORT_1 var_28_arg_1 = var_27; [L88] SORT_1 var_28 = var_28_arg_0 & var_28_arg_1; [L89] var_28 = var_28 & mask_SORT_1 [L90] SORT_1 bad_29_arg_0 = var_28; [L91] CALL __VERIFIER_assert(!(bad_29_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 09:27:21,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:27:24,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:24,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:24,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:24,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:24,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:24,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:24,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:24,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:24,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:24,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:24,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:24,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:24,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:24,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:24,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:24,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:24,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:24,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:24,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:24,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:24,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:24,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:24,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:24,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:24,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:24,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:24,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:24,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:24,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:24,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:24,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:24,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:24,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:24,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:24,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:24,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:24,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:24,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:24,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:24,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:24,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 09:27:24,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:24,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:24,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:24,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:24,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:24,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:24,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:24,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:24,417 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:24,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:24,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:24,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:24,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:24,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:24,420 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 09:27:24,420 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 09:27:24,421 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 09:27:24,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:24,421 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:24,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:24,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:24,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:24,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:24,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:24,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:24,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:24,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:24,424 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 09:27:24,425 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 09:27:24,425 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:24,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:24,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:24,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 09:27:24,426 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_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b [2022-11-20 09:27:24,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:24,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:24,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:24,870 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:24,871 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:24,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-20 09:27:27,921 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:28,272 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:28,273 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-20 09:27:28,293 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/data/9774bd69f/5363bd8741924ed9a328a08fa9eb135e/FLAG91e3c896b [2022-11-20 09:27:28,312 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/data/9774bd69f/5363bd8741924ed9a328a08fa9eb135e [2022-11-20 09:27:28,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:28,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:28,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:28,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:28,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:28,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:28" (1/1) ... [2022-11-20 09:27:28,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78900c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:28, skipping insertion in model container [2022-11-20 09:27:28,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:28" (1/1) ... [2022-11-20 09:27:28,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:28,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:28,602 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_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-20 09:27:28,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:28,827 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:28,840 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_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-20 09:27:28,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:29,023 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:29,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29 WrapperNode [2022-11-20 09:27:29,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:29,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:29,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:29,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:29,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29" (1/1) ... [2022-11-20 09:27:29,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29" (1/1) ... [2022-11-20 09:27:29,094 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 509 [2022-11-20 09:27:29,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:29,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:29,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:29,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:29,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29" (1/1) ... [2022-11-20 09:27:29,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29" (1/1) ... [2022-11-20 09:27:29,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29" (1/1) ... [2022-11-20 09:27:29,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29" (1/1) ... [2022-11-20 09:27:29,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29" (1/1) ... [2022-11-20 09:27:29,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29" (1/1) ... [2022-11-20 09:27:29,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29" (1/1) ... [2022-11-20 09:27:29,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29" (1/1) ... [2022-11-20 09:27:29,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:29,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:29,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:29,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:29,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29" (1/1) ... [2022-11-20 09:27:29,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:29,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:29,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:29,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:29,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:29,548 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:27:29,550 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:27:30,302 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:27:30,315 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:27:30,315 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 09:27:30,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:30 BoogieIcfgContainer [2022-11-20 09:27:30,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:27:30,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:27:30,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:27:30,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:27:30,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:28" (1/3) ... [2022-11-20 09:27:30,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a57922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:30, skipping insertion in model container [2022-11-20 09:27:30,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:29" (2/3) ... [2022-11-20 09:27:30,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a57922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:30, skipping insertion in model container [2022-11-20 09:27:30,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:30" (3/3) ... [2022-11-20 09:27:30,332 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Ibuf.c [2022-11-20 09:27:30,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:27:30,357 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:27:30,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:27:30,444 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5cb68be8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:27:30,445 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:27:30,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 09:27:30,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:30,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 09:27:30,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:30,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:30,469 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 09:27:30,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:27:30,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102047686] [2022-11-20 09:27:30,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:30,488 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:30,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:27:30,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:27:30,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 09:27:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:30,725 WARN L261 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-20 09:27:30,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:30,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:30,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:27:30,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:27:30,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102047686] [2022-11-20 09:27:30,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102047686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:30,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:30,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:27:30,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002857844] [2022-11-20 09:27:30,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:30,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:27:30,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:27:31,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:27:31,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:27:31,017 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:31,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:31,129 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-20 09:27:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:27:31,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-20 09:27:31,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:31,140 INFO L225 Difference]: With dead ends: 20 [2022-11-20 09:27:31,140 INFO L226 Difference]: Without dead ends: 11 [2022-11-20 09:27:31,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:27:31,147 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 [2022-11-20 09:27:31,149 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] [2022-11-20 09:27:31,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-20 09:27:31,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-20 09:27:31,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:31,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-20 09:27:31,185 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-20 09:27:31,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:31,185 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-20 09:27:31,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:31,186 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-20 09:27:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 09:27:31,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:31,187 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:31,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:31,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:31,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:31,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:31,401 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-20 09:27:31,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:27:31,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002773551] [2022-11-20 09:27:31,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:31,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:31,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:27:31,406 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:27:31,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 09:27:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:31,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-20 09:27:31,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:32,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:32,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:35,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:35,695 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:27:35,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002773551] [2022-11-20 09:27:35,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002773551] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:35,696 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:27:35,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-20 09:27:35,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239270608] [2022-11-20 09:27:35,697 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:35,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 09:27:35,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:27:35,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 09:27:35,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=68, Unknown=1, NotChecked=0, Total=90 [2022-11-20 09:27:35,699 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:35,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:35,974 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-20 09:27:35,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 09:27:35,975 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-20 09:27:35,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:35,976 INFO L225 Difference]: With dead ends: 16 [2022-11-20 09:27:35,976 INFO L226 Difference]: Without dead ends: 14 [2022-11-20 09:27:35,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=42, Invalid=113, Unknown=1, NotChecked=0, Total=156 [2022-11-20 09:27:35,977 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:35,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 25 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 14 Unchecked, 0.1s Time] [2022-11-20 09:27:35,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-20 09:27:35,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-20 09:27:35,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 09:27:35,982 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-20 09:27:35,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:35,983 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-20 09:27:35,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:35,983 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 09:27:35,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 09:27:35,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:35,984 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-20 09:27:35,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:36,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:36,197 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:36,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:36,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-20 09:27:36,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:27:36,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067851791] [2022-11-20 09:27:36,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:27:36,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:36,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:27:36,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 09:27:36,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:27:36,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:27:36,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 62 conjunts are in the unsatisfiable core [2022-11-20 09:27:36,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:36,948 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:27:36,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:27:37,383 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:27:37,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067851791] [2022-11-20 09:27:37,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1067851791] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:37,383 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:27:37,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 09:27:37,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039919407] [2022-11-20 09:27:37,384 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:37,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 09:27:37,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:27:37,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 09:27:37,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:27:37,386 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:38,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:38,654 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-20 09:27:38,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:27:38,655 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 [2022-11-20 09:27:38,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:38,655 INFO L225 Difference]: With dead ends: 12 [2022-11-20 09:27:38,655 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 09:27:38,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:27:38,657 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:38,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 4 Unchecked, 0.1s Time] [2022-11-20 09:27:38,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 09:27:38,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 09:27:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:38,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 09:27:38,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-20 09:27:38,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:38,659 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:27:38,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:38,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:27:38,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 09:27:38,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 09:27:38,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:38,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:38,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 09:27:39,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 09:27:39,288 INFO L895 garLoopResultBuilder]: At program point L527(lines 22 528) the Hoare annotation is: false [2022-11-20 09:27:39,288 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 09:27:39,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 09:27:39,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 09:27:39,289 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-20 09:27:39,289 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-20 09:27:39,289 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-20 09:27:39,289 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-20 09:27:39,290 INFO L895 garLoopResultBuilder]: At program point L51-2(lines 51 526) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= |ULTIMATE.start_main_~mask_SORT_3~0#1| (_ bv3 8))) (.cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (and .cse0 (= (_ bv0 8) |ULTIMATE.start_main_~state_10~0#1|) (= |ULTIMATE.start_main_~state_10~0#1| |ULTIMATE.start_main_~state_13~0#1|) .cse1) (and .cse0 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 (exists ((|ULTIMATE.start_main_~var_208_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_207_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_167_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_153_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_190_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_195_arg_0~0#1| (_ BitVec 8))) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_167_arg_0~0#1|)))) (.cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_153_arg_0~0#1|))))) (and (= ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv3 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse2 (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 .cse4))))))))) (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_190_arg_0~0#1|) (_ bv2 32)))) |ULTIMATE.start_main_~state_10~0#1|) (= ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv3 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_207_arg_0~0#1|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse2))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_195_arg_0~0#1|)))) .cse3))) .cse4))))))))) (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_208_arg_0~0#1|) (_ bv2 32)))) |ULTIMATE.start_main_~state_13~0#1|))))) (and .cse0 (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (= |ULTIMATE.start_main_~var_18~0#1| (_ bv0 8)) .cse1 (= |ULTIMATE.start_main_~var_12~0#1| (_ bv0 8)) (exists ((|ULTIMATE.start_main_~var_208_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_164_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_207_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_153_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_190_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_166_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_195_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_188_arg_0~0#1| (_ BitVec 8))) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_153_arg_0~0#1|))))) (and (= ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_188_arg_0~0#1|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse4)))))) (_ bv3 32)))) (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_190_arg_0~0#1|) (_ bv2 32)))) |ULTIMATE.start_main_~state_10~0#1|) (= ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv3 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_207_arg_0~0#1|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~var_195_arg_0~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_164_arg_0~0#1|) (_ bv1 32)) (_ bv0 32))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_166_arg_0~0#1|)))))))))))) .cse5))) .cse4))))))))) (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_208_arg_0~0#1|) (_ bv2 32)))) |ULTIMATE.start_main_~state_13~0#1|))))))) [2022-11-20 09:27:39,290 INFO L899 garLoopResultBuilder]: For program point L51-3(lines 51 526) no Hoare annotation was computed. [2022-11-20 09:27:39,294 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-20 09:27:39,296 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:27:39,306 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,307 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,307 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,307 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,308 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,308 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,308 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,308 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,309 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_188_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,309 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,309 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,309 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,310 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,310 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_164_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,310 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_166_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,310 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,311 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,317 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,317 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,318 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,318 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,318 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,319 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,319 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,320 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,320 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_188_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,320 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,320 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,321 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,321 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,321 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_164_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,321 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_166_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,322 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,322 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:27:39 BoogieIcfgContainer [2022-11-20 09:27:39,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:27:39,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:27:39,324 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:27:39,324 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:27:39,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:30" (3/4) ... [2022-11-20 09:27:39,328 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:27:39,342 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 09:27:39,343 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 09:27:39,344 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:27:39,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv8 == mask_SORT_1 && 0bv8 == state_10) && state_10 == state_13) && mask_SORT_3 == 3bv8) || (((1bv8 == mask_SORT_1 && cond == 1bv32) && mask_SORT_3 == 3bv8) && (\exists ULTIMATE.start_main_~var_208_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_207_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_167_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_153_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_190_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_195_arg_0~0#1 : bv8 :: ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_167_arg_0~0#1)[7:0]), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_190_arg_0~0#1), 2bv32))[7:0] == state_10 && ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_207_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_167_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~var_195_arg_0~0#1))[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_208_arg_0~0#1), 2bv32))[7:0] == state_13))) || (((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && var_18 == 0bv8) && mask_SORT_3 == 3bv8) && var_12 == 0bv8) && (\exists ULTIMATE.start_main_~var_208_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_164_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_207_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_153_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_190_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_166_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_195_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_188_arg_0~0#1 : bv8 :: ~bvor32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_188_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]), 3bv32)[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_190_arg_0~0#1), 2bv32))[7:0] == state_10 && ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_207_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_195_arg_0~0#1), ~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(0bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_164_arg_0~0#1), 1bv32), 0bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~var_166_arg_0~0#1))[7:0])[7:0]))[7:0]))[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_208_arg_0~0#1), 2bv32))[7:0] == state_13)) [2022-11-20 09:27:39,460 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:27:39,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:27:39,461 INFO L158 Benchmark]: Toolchain (without parser) took 11141.01ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 55.5MB in the beginning and 52.2MB in the end (delta: 3.3MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2022-11-20 09:27:39,461 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:39,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.27ms. Allocated memory is still 77.6MB. Free memory was 55.5MB in the beginning and 53.3MB in the end (delta: 2.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-11-20 09:27:39,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.85ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 48.8MB in the end (delta: 4.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:27:39,462 INFO L158 Benchmark]: Boogie Preprocessor took 78.17ms. Allocated memory is still 77.6MB. Free memory was 48.8MB in the beginning and 45.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:27:39,466 INFO L158 Benchmark]: RCFGBuilder took 1144.97ms. Allocated memory is still 77.6MB. Free memory was 45.6MB in the beginning and 32.9MB in the end (delta: 12.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-11-20 09:27:39,467 INFO L158 Benchmark]: TraceAbstraction took 9000.91ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 32.1MB in the beginning and 60.6MB in the end (delta: -28.5MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-11-20 09:27:39,468 INFO L158 Benchmark]: Witness Printer took 136.44ms. Allocated memory is still 113.2MB. Free memory was 60.6MB in the beginning and 52.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 09:27:39,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.27ms. Allocated memory is still 77.6MB. Free memory was 55.5MB in the beginning and 53.3MB in the end (delta: 2.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.85ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 48.8MB in the end (delta: 4.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.17ms. Allocated memory is still 77.6MB. Free memory was 48.8MB in the beginning and 45.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1144.97ms. Allocated memory is still 77.6MB. Free memory was 45.6MB in the beginning and 32.9MB in the end (delta: 12.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9000.91ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 32.1MB in the beginning and 60.6MB in the end (delta: -28.5MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 136.44ms. Allocated memory is still 113.2MB. Free memory was 60.6MB in the beginning and 52.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_188_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_164_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_166_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_188_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_164_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_166_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] * 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 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 18 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 15 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 205 HoareAnnotationTreeSize, 2 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 75 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 13 QuantifiedInterpolants, 2558 SizeOfPredicates, 187 NumberOfNonLiveVariables, 1518 ConjunctsInSsa, 169 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 6/18 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant [2022-11-20 09:27:39,495 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,498 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,499 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,499 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,499 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,500 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,500 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,500 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,500 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_188_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,500 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,501 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,501 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,501 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,501 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_164_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,502 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_166_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,502 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,502 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,503 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,504 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,504 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,505 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,506 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,506 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,506 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,507 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,507 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_188_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,510 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,512 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,512 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,513 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,513 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_164_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,513 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_166_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,513 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-20 09:27:39,514 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] Derived loop invariant: ((((1bv8 == mask_SORT_1 && 0bv8 == state_10) && state_10 == state_13) && mask_SORT_3 == 3bv8) || (((1bv8 == mask_SORT_1 && cond == 1bv32) && mask_SORT_3 == 3bv8) && (\exists ULTIMATE.start_main_~var_208_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_207_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_167_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_153_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_190_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_195_arg_0~0#1 : bv8 :: ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_167_arg_0~0#1)[7:0]), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_190_arg_0~0#1), 2bv32))[7:0] == state_10 && ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_207_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_167_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~var_195_arg_0~0#1))[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_208_arg_0~0#1), 2bv32))[7:0] == state_13))) || (((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && var_18 == 0bv8) && mask_SORT_3 == 3bv8) && var_12 == 0bv8) && (\exists ULTIMATE.start_main_~var_208_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_164_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_207_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_153_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_190_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_166_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_195_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_188_arg_0~0#1 : bv8 :: ~bvor32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_188_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]), 3bv32)[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_190_arg_0~0#1), 2bv32))[7:0] == state_10 && ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_207_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_195_arg_0~0#1), ~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(0bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_164_arg_0~0#1), 1bv32), 0bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~var_166_arg_0~0#1))[7:0])[7:0]))[7:0]))[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_208_arg_0~0#1), 2bv32))[7:0] == state_13)) RESULT: Ultimate proved your program to be correct! [2022-11-20 09:27:39,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d7108f-1ed9-44cd-ba3d-2b3b78c19519/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE