./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R --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 14298bb0a2bf96d84ca189c4c0efe0c896bf70c67776a8319b30bf6c9c53e08f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:14:21,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:14:21,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:14:21,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:14:21,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:14:21,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:14:21,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:14:21,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:14:21,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:14:21,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:14:21,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:14:21,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:14:21,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:14:21,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:14:21,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:14:21,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:14:21,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:14:21,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:14:21,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:14:21,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:14:21,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:14:21,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:14:21,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:14:21,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:14:21,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:14:21,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:14:21,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:14:21,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:14:21,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:14:21,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:14:21,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:14:21,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:14:21,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:14:21,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:14:21,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:14:21,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:14:21,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:14:21,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:14:21,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:14:21,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:14:21,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:14:21,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 18:14:21,427 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:14:21,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:14:21,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:14:21,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:14:21,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:14:21,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:14:21,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:14:21,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:14:21,431 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:14:21,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:14:21,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:14:21,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:14:21,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:14:21,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:14:21,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:14:21,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:14:21,434 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:14:21,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:14:21,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:14:21,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:14:21,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:14:21,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:14:21,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:14:21,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:14:21,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:14:21,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:14:21,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:14:21,437 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:14:21,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:14:21,437 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:14:21,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:14:21,438 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14298bb0a2bf96d84ca189c4c0efe0c896bf70c67776a8319b30bf6c9c53e08f [2022-11-25 18:14:21,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:14:21,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:14:21,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:14:21,890 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:14:21,890 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:14:21,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2022-11-25 18:14:25,190 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:14:25,447 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:14:25,447 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2022-11-25 18:14:25,456 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/data/eee8a6059/dfcb6974f14d49c88b264a3e1c488811/FLAG6f3856f17 [2022-11-25 18:14:25,473 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/data/eee8a6059/dfcb6974f14d49c88b264a3e1c488811 [2022-11-25 18:14:25,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:14:25,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:14:25,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:14:25,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:14:25,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:14:25,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:14:25" (1/1) ... [2022-11-25 18:14:25,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738fa2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:25, skipping insertion in model container [2022-11-25 18:14:25,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:14:25" (1/1) ... [2022-11-25 18:14:25,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:14:25,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:14:25,760 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_2226c472-36bf-433a-a8c4-3adbd3050be8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c[1107,1120] [2022-11-25 18:14:25,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:14:25,908 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:14:25,927 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_2226c472-36bf-433a-a8c4-3adbd3050be8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c[1107,1120] [2022-11-25 18:14:25,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:14:26,005 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:14:26,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26 WrapperNode [2022-11-25 18:14:26,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:14:26,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:14:26,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:14:26,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:14:26,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26" (1/1) ... [2022-11-25 18:14:26,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26" (1/1) ... [2022-11-25 18:14:26,086 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 198 [2022-11-25 18:14:26,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:14:26,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:14:26,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:14:26,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:14:26,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26" (1/1) ... [2022-11-25 18:14:26,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26" (1/1) ... [2022-11-25 18:14:26,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26" (1/1) ... [2022-11-25 18:14:26,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26" (1/1) ... [2022-11-25 18:14:26,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26" (1/1) ... [2022-11-25 18:14:26,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26" (1/1) ... [2022-11-25 18:14:26,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26" (1/1) ... [2022-11-25 18:14:26,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26" (1/1) ... [2022-11-25 18:14:26,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:14:26,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:14:26,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:14:26,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:14:26,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26" (1/1) ... [2022-11-25 18:14:26,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:14:26,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:14:26,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:14:26,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:14:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:14:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:14:26,354 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:14:26,357 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:14:27,133 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:14:27,144 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:14:27,145 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 18:14:27,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:14:27 BoogieIcfgContainer [2022-11-25 18:14:27,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:14:27,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:14:27,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:14:27,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:14:27,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:14:25" (1/3) ... [2022-11-25 18:14:27,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1a2c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:14:27, skipping insertion in model container [2022-11-25 18:14:27,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:26" (2/3) ... [2022-11-25 18:14:27,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1a2c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:14:27, skipping insertion in model container [2022-11-25 18:14:27,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:14:27" (3/3) ... [2022-11-25 18:14:27,168 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2022-11-25 18:14:27,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:14:27,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:14:27,259 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:14:27,268 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;@3afd1e08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:14:27,269 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:14:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:14:27,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 18:14:27,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:14:27,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 18:14:27,282 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:14:27,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:14:27,292 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 18:14:27,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:14:27,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746340485] [2022-11-25 18:14:27,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:14:27,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:14:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:14:27,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:14:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:14:27,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:14:27,658 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:14:27,659 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 18:14:27,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:14:27,667 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 18:14:27,671 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:14:27,691 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 18:14:27,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:14:27 BoogieIcfgContainer [2022-11-25 18:14:27,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:14:27,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:14:27,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:14:27,700 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:14:27,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:14:27" (3/4) ... [2022-11-25 18:14:27,704 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:14:27,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:14:27,706 INFO L158 Benchmark]: Toolchain (without parser) took 2228.28ms. Allocated memory is still 182.5MB. Free memory was 150.2MB in the beginning and 145.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-11-25 18:14:27,706 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:14:27,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.78ms. Allocated memory is still 182.5MB. Free memory was 150.2MB in the beginning and 150.9MB in the end (delta: -687.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 18:14:27,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.27ms. Allocated memory is still 182.5MB. Free memory was 150.0MB in the beginning and 147.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:14:27,708 INFO L158 Benchmark]: Boogie Preprocessor took 31.53ms. Allocated memory is still 182.5MB. Free memory was 147.9MB in the beginning and 145.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:14:27,709 INFO L158 Benchmark]: RCFGBuilder took 1027.46ms. Allocated memory is still 182.5MB. Free memory was 145.8MB in the beginning and 93.0MB in the end (delta: 52.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-25 18:14:27,710 INFO L158 Benchmark]: TraceAbstraction took 545.18ms. Allocated memory is still 182.5MB. Free memory was 92.2MB in the beginning and 145.2MB in the end (delta: -53.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:14:27,710 INFO L158 Benchmark]: Witness Printer took 5.09ms. Allocated memory is still 182.5MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:14:27,713 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 125.8MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.78ms. Allocated memory is still 182.5MB. Free memory was 150.2MB in the beginning and 150.9MB in the end (delta: -687.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.27ms. Allocated memory is still 182.5MB. Free memory was 150.0MB in the beginning and 147.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.53ms. Allocated memory is still 182.5MB. Free memory was 147.9MB in the beginning and 145.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1027.46ms. Allocated memory is still 182.5MB. Free memory was 145.8MB in the beginning and 93.0MB in the end (delta: 52.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 545.18ms. Allocated memory is still 182.5MB. Free memory was 92.2MB in the beginning and 145.2MB in the end (delta: -53.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.09ms. Allocated memory is still 182.5MB. Free memory is still 145.2MB. 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 102, overapproximation of bitwiseOr at line 97, overapproximation of bitwiseAnd at line 110. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 8); [L32] const SORT_12 msb_SORT_12 = (SORT_12)1 << (8 - 1); [L34] const SORT_3 var_14 = 0; [L35] const SORT_3 var_29 = 1; [L37] SORT_1 input_2; [L38] SORT_3 input_4; [L39] SORT_3 input_5; [L40] SORT_3 input_6; [L41] SORT_3 input_7; [L42] SORT_3 input_8; [L43] SORT_3 input_9; [L44] SORT_3 input_10; [L45] SORT_3 input_11; [L46] SORT_12 input_13; [L47] SORT_12 input_33; [L48] SORT_12 input_35; [L49] SORT_3 input_37; [L50] SORT_3 input_39; [L51] SORT_12 input_83; [L52] SORT_3 input_89; [L53] SORT_1 input_92; [L54] SORT_3 input_94; [L55] SORT_3 input_96; [L56] SORT_3 input_98; [L58] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L59] SORT_3 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L60] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L61] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L63] SORT_3 init_16_arg_1 = var_14; [L64] state_15 = init_16_arg_1 [L65] SORT_3 init_18_arg_1 = var_14; [L66] state_17 = init_18_arg_1 [L67] SORT_3 init_21_arg_1 = var_14; [L68] state_20 = init_21_arg_1 [L69] SORT_3 init_25_arg_1 = var_14; [L70] state_24 = init_25_arg_1 VAL [init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_3=1, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_3=1, state_15=0, state_17=0, state_20=0, state_24=0, var_14=0, var_29=1] [L73] input_2 = __VERIFIER_nondet_uchar() [L74] input_4 = __VERIFIER_nondet_uchar() [L75] input_5 = __VERIFIER_nondet_uchar() [L76] input_6 = __VERIFIER_nondet_uchar() [L77] input_7 = __VERIFIER_nondet_uchar() [L78] input_8 = __VERIFIER_nondet_uchar() [L79] input_9 = __VERIFIER_nondet_uchar() [L80] input_10 = __VERIFIER_nondet_uchar() [L81] input_11 = __VERIFIER_nondet_uchar() [L82] input_13 = __VERIFIER_nondet_uchar() [L83] input_33 = __VERIFIER_nondet_uchar() [L84] input_35 = __VERIFIER_nondet_uchar() [L85] input_37 = __VERIFIER_nondet_uchar() [L86] input_39 = __VERIFIER_nondet_uchar() [L87] input_83 = __VERIFIER_nondet_uchar() [L88] input_89 = __VERIFIER_nondet_uchar() [L89] input_92 = __VERIFIER_nondet_uchar() [L90] input_94 = __VERIFIER_nondet_uchar() [L91] input_96 = __VERIFIER_nondet_uchar() [L92] input_98 = __VERIFIER_nondet_uchar() [L95] SORT_3 var_19_arg_0 = state_15; [L96] SORT_3 var_19_arg_1 = state_17; [L97] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L98] SORT_3 var_22_arg_0 = var_19; [L99] SORT_3 var_22_arg_1 = state_20; [L100] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L101] SORT_3 var_23_arg_0 = var_22; [L102] SORT_3 var_23 = ~var_23_arg_0; [L103] SORT_3 var_26_arg_0 = var_23; [L104] SORT_3 var_26_arg_1 = state_24; [L105] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L106] SORT_3 var_30_arg_0 = var_26; [L107] SORT_3 var_30 = ~var_30_arg_0; [L108] SORT_3 var_31_arg_0 = var_29; [L109] SORT_3 var_31_arg_1 = var_30; [L110] SORT_3 var_31 = var_31_arg_0 & var_31_arg_1; [L111] var_31 = var_31 & mask_SORT_3 [L112] SORT_3 bad_32_arg_0 = var_31; [L113] CALL __VERIFIER_assert(!(bad_32_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 18:14:27,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R --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 14298bb0a2bf96d84ca189c4c0efe0c896bf70c67776a8319b30bf6c9c53e08f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:14:30,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:14:30,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:14:30,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:14:30,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:14:30,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:14:30,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:14:30,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:14:30,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:14:30,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:14:30,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:14:30,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:14:30,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:14:30,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:14:30,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:14:30,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:14:30,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:14:30,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:14:30,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:14:30,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:14:30,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:14:30,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:14:30,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:14:30,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:14:30,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:14:30,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:14:30,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:14:30,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:14:30,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:14:30,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:14:30,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:14:30,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:14:30,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:14:30,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:14:30,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:14:30,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:14:30,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:14:30,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:14:30,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:14:30,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:14:30,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:14:30,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 18:14:30,612 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:14:30,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:14:30,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:14:30,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:14:30,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:14:30,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:14:30,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:14:30,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:14:30,617 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:14:30,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:14:30,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:14:30,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:14:30,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:14:30,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:14:30,620 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:14:30,620 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:14:30,620 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:14:30,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:14:30,621 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:14:30,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:14:30,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:14:30,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:14:30,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:14:30,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:14:30,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:14:30,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:14:30,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:14:30,623 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:14:30,623 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:14:30,623 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:14:30,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:14:30,624 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:14:30,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:14:30,624 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 18:14:30,625 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14298bb0a2bf96d84ca189c4c0efe0c896bf70c67776a8319b30bf6c9c53e08f [2022-11-25 18:14:31,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:14:31,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:14:31,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:14:31,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:14:31,067 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:14:31,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2022-11-25 18:14:34,264 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:14:34,509 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:14:34,510 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2022-11-25 18:14:34,518 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/data/ac017543e/e3c28d6384b24e5aa017b17e41b098d9/FLAGbbe125927 [2022-11-25 18:14:34,531 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/data/ac017543e/e3c28d6384b24e5aa017b17e41b098d9 [2022-11-25 18:14:34,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:14:34,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:14:34,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:14:34,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:14:34,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:14:34,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:14:34" (1/1) ... [2022-11-25 18:14:34,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a43479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:34, skipping insertion in model container [2022-11-25 18:14:34,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:14:34" (1/1) ... [2022-11-25 18:14:34,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:14:34,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:14:34,770 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_2226c472-36bf-433a-a8c4-3adbd3050be8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c[1107,1120] [2022-11-25 18:14:34,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:14:34,911 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:14:34,932 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_2226c472-36bf-433a-a8c4-3adbd3050be8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c[1107,1120] [2022-11-25 18:14:34,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:14:35,019 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:14:35,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35 WrapperNode [2022-11-25 18:14:35,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:14:35,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:14:35,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:14:35,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:14:35,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35" (1/1) ... [2022-11-25 18:14:35,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35" (1/1) ... [2022-11-25 18:14:35,092 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 198 [2022-11-25 18:14:35,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:14:35,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:14:35,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:14:35,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:14:35,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35" (1/1) ... [2022-11-25 18:14:35,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35" (1/1) ... [2022-11-25 18:14:35,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35" (1/1) ... [2022-11-25 18:14:35,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35" (1/1) ... [2022-11-25 18:14:35,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35" (1/1) ... [2022-11-25 18:14:35,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35" (1/1) ... [2022-11-25 18:14:35,156 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35" (1/1) ... [2022-11-25 18:14:35,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35" (1/1) ... [2022-11-25 18:14:35,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:14:35,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:14:35,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:14:35,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:14:35,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35" (1/1) ... [2022-11-25 18:14:35,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:14:35,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:14:35,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:14:35,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:14:35,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:14:35,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:14:35,449 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:14:35,452 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:14:35,766 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:14:35,775 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:14:35,775 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 18:14:35,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:14:35 BoogieIcfgContainer [2022-11-25 18:14:35,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:14:35,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:14:35,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:14:35,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:14:35,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:14:34" (1/3) ... [2022-11-25 18:14:35,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fff99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:14:35, skipping insertion in model container [2022-11-25 18:14:35,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:14:35" (2/3) ... [2022-11-25 18:14:35,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fff99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:14:35, skipping insertion in model container [2022-11-25 18:14:35,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:14:35" (3/3) ... [2022-11-25 18:14:35,790 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2022-11-25 18:14:35,814 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:14:35,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:14:35,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:14:35,883 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;@7897d603, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:14:35,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:14:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:14:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 18:14:35,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:14:35,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 18:14:35,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:14:35,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:14:35,904 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 18:14:35,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:14:35,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472919558] [2022-11-25 18:14:35,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:14:35,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:14:35,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:14:35,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:14:35,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 18:14:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:36,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-25 18:14:36,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:14:36,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:14:36,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:14:36,373 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:14:36,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472919558] [2022-11-25 18:14:36,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472919558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:14:36,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:14:36,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:14:36,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367484060] [2022-11-25 18:14:36,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:14:36,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:14:36,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:14:36,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:14:36,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:14:36,462 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:14:36,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:14:36,539 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 18:14:36,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:14:36,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-25 18:14:36,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:14:36,552 INFO L225 Difference]: With dead ends: 20 [2022-11-25 18:14:36,553 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 18:14:36,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:14:36,562 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:14:36,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:14:36,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 18:14:36,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 18:14:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:14:36,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 18:14:36,600 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 18:14:36,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:14:36,601 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 18:14:36,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:14:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 18:14:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 18:14:36,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:14:36,603 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 18:14:36,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:14:36,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:14:36,818 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:14:36,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:14:36,819 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 18:14:36,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:14:36,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216419433] [2022-11-25 18:14:36,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:14:36,821 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:14:36,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:14:36,825 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:14:36,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 18:14:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:36,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 79 conjunts are in the unsatisfiable core [2022-11-25 18:14:36,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:14:37,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:14:37,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:14:37,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:14:37,869 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:14:37,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216419433] [2022-11-25 18:14:37,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216419433] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:14:37,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:14:37,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 18:14:37,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598251098] [2022-11-25 18:14:37,876 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:14:37,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:14:37,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:14:37,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:14:37,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:14:37,881 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:14:38,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:14:38,104 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2022-11-25 18:14:38,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:14:38,106 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 18:14:38,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:14:38,106 INFO L225 Difference]: With dead ends: 13 [2022-11-25 18:14:38,106 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 18:14:38,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:14:38,108 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:14:38,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 7 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:14:38,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 18:14:38,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 18:14:38,110 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) [2022-11-25 18:14:38,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 18:14:38,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2022-11-25 18:14:38,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:14:38,110 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:14:38,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:14:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:14:38,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 18:14:38,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 18:14:38,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:14:38,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:14:38,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 18:14:38,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 18:14:38,482 INFO L895 garLoopResultBuilder]: At program point L199(lines 22 200) the Hoare annotation is: false [2022-11-25 18:14:38,484 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 198) the Hoare annotation is: (or (and (= |ULTIMATE.start_main_~state_17~0#1| |ULTIMATE.start_main_~state_15~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_17~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|) (= |ULTIMATE.start_main_~state_20~0#1| |ULTIMATE.start_main_~state_17~0#1|)) (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_0~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_24~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_20~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_17~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|)))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_31_arg_0~0#1_3|)))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))) (_ bv0 8))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)))) [2022-11-25 18:14:38,486 INFO L899 garLoopResultBuilder]: For program point L71-3(lines 71 198) no Hoare annotation was computed. [2022-11-25 18:14:38,486 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 18:14:38,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 18:14:38,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 18:14:38,488 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-25 18:14:38,488 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-25 18:14:38,488 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-25 18:14:38,488 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-25 18:14:38,492 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 18:14:38,494 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:14:38,506 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_31_arg_0~0#1_3,QUANTIFIED] [2022-11-25 18:14:38,513 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_31_arg_0~0#1_3,QUANTIFIED] [2022-11-25 18:14:38,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:14:38 BoogieIcfgContainer [2022-11-25 18:14:38,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:14:38,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:14:38,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:14:38,515 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:14:38,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:14:35" (3/4) ... [2022-11-25 18:14:38,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:14:38,533 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 18:14:38,534 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 18:14:38,534 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:14:38,616 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:14:38,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:14:38,617 INFO L158 Benchmark]: Toolchain (without parser) took 4082.08ms. Allocated memory was 65.0MB in the beginning and 113.2MB in the end (delta: 48.2MB). Free memory was 35.3MB in the beginning and 79.7MB in the end (delta: -44.4MB). Peak memory consumption was 290.4kB. Max. memory is 16.1GB. [2022-11-25 18:14:38,618 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:14:38,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.98ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 35.1MB in the beginning and 68.6MB in the end (delta: -33.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-25 18:14:38,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.75ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 66.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:14:38,619 INFO L158 Benchmark]: Boogie Preprocessor took 74.53ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 64.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:14:38,620 INFO L158 Benchmark]: RCFGBuilder took 608.87ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 72.7MB in the end (delta: -8.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-25 18:14:38,620 INFO L158 Benchmark]: TraceAbstraction took 2733.37ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 71.8MB in the beginning and 84.0MB in the end (delta: -12.2MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-11-25 18:14:38,621 INFO L158 Benchmark]: Witness Printer took 101.78ms. Allocated memory is still 113.2MB. Free memory was 84.0MB in the beginning and 79.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:14:38,625 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.98ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 35.1MB in the beginning and 68.6MB in the end (delta: -33.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.75ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 66.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.53ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 64.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 608.87ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 72.7MB in the end (delta: -8.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2733.37ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 71.8MB in the beginning and 84.0MB in the end (delta: -12.2MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Witness Printer took 101.78ms. Allocated memory is still 113.2MB. Free memory was 84.0MB in the beginning and 79.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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[v_ULTIMATE.start_main_~var_31_arg_0~0#1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_31_arg_0~0#1_3,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: 2.6s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 7 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 54 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 77 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 5 QuantifiedInterpolants, 540 SizeOfPredicates, 111 NumberOfNonLiveVariables, 242 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant [2022-11-25 18:14:38,651 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_31_arg_0~0#1_3,QUANTIFIED] [2022-11-25 18:14:38,652 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_31_arg_0~0#1_3,QUANTIFIED] Derived loop invariant: (((state_17 == state_15 && 0bv8 == state_17) && 1bv8 == mask_SORT_3) && state_20 == state_17) || ((forall v_ULTIMATE.start_main_~var_31_arg_0~0#1_3 : bv8 :: ~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(state_24), ~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(state_20), ~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(state_17), ~zero_extendFrom8To32(state_15))[7:0]))[7:0]))[7:0]))[7:0]))[7:0]), ~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_31_arg_0~0#1_3))[7:0]), ~zero_extendFrom8To32(mask_SORT_3))[7:0] == 0bv8) && cond == 1bv32) RESULT: Ultimate proved your program to be correct! [2022-11-25 18:14:38,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2226c472-36bf-433a-a8c4-3adbd3050be8/bin/uautomizer-ZsLfNo2U6R/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