./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8 --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 9d5a40d30bdb637dd2c987738fb0d731ff79366f937c446bccf8e9f932481a19 --- 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-2329fc7 [2022-12-13 13:32:21,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:32:21,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:32:21,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:32:21,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:32:21,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:32:21,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:32:21,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:32:21,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:32:21,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:32:21,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:32:21,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:32:21,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:32:21,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:32:21,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:32:21,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:32:21,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:32:21,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:32:21,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:32:21,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:32:21,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:32:21,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:32:21,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:32:21,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:32:21,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:32:21,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:32:21,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:32:21,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:32:21,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:32:21,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:32:21,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:32:21,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:32:21,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:32:21,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:32:21,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:32:21,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:32:21,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:32:21,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:32:21,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:32:21,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:32:21,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:32:21,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 13:32:21,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:32:21,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:32:21,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:32:21,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:32:21,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:32:21,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:32:21,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:32:21,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:32:21,480 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:32:21,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:32:21,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:32:21,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:32:21,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:32:21,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:32:21,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:32:21,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:32:21,482 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:32:21,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:32:21,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:32:21,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:32:21,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:32:21,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:32:21,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:32:21,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:32:21,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:32:21,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:32:21,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:32:21,484 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:32:21,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:32:21,484 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:32:21,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:32:21,484 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:32:21,485 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_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d5a40d30bdb637dd2c987738fb0d731ff79366f937c446bccf8e9f932481a19 [2022-12-13 13:32:21,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:32:21,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:32:21,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:32:21,698 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:32:21,698 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:32:21,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2022-12-13 13:32:24,290 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:32:24,441 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:32:24,441 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2022-12-13 13:32:24,447 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/data/546be635b/0e7a9a20f972432a8164a57346099ab8/FLAG4c142f6d7 [2022-12-13 13:32:24,456 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/data/546be635b/0e7a9a20f972432a8164a57346099ab8 [2022-12-13 13:32:24,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:32:24,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:32:24,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:32:24,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:32:24,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:32:24,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20155772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24, skipping insertion in model container [2022-12-13 13:32:24,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:32:24,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:32:24,590 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_b62a189a-b408-4df6-8d42-d0c50c233cca/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1107,1120] [2022-12-13 13:32:24,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:32:24,644 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:32:24,652 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_b62a189a-b408-4df6-8d42-d0c50c233cca/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1107,1120] [2022-12-13 13:32:24,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:32:24,695 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:32:24,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24 WrapperNode [2022-12-13 13:32:24,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:32:24,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:32:24,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:32:24,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:32:24,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,737 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 227 [2022-12-13 13:32:24,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:32:24,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:32:24,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:32:24,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:32:24,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,758 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:32:24,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:32:24,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:32:24,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:32:24,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24" (1/1) ... [2022-12-13 13:32:24,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:32:24,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:32:24,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:32:24,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:32:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:32:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:32:24,890 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:32:24,892 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:32:25,174 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:32:25,179 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:32:25,179 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 13:32:25,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:32:25 BoogieIcfgContainer [2022-12-13 13:32:25,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:32:25,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:32:25,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:32:25,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:32:25,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:32:24" (1/3) ... [2022-12-13 13:32:25,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fecc0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:32:25, skipping insertion in model container [2022-12-13 13:32:25,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:24" (2/3) ... [2022-12-13 13:32:25,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fecc0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:32:25, skipping insertion in model container [2022-12-13 13:32:25,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:32:25" (3/3) ... [2022-12-13 13:32:25,188 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2022-12-13 13:32:25,202 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:32:25,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:32:25,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:32:25,242 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;@5e267d9d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:32:25,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:32:25,245 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) [2022-12-13 13:32:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 13:32:25,250 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:32:25,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 13:32:25,250 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:32:25,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:32:25,254 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 13:32:25,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:32:25,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749145592] [2022-12-13 13:32:25,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:32:25,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:32:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:32:25,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:32:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:32:25,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:32:25,468 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:32:25,469 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 13:32:25,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:32:25,474 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 13:32:25,477 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:32:25,488 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 13:32:25,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:32:25 BoogieIcfgContainer [2022-12-13 13:32:25,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:32:25,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:32:25,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:32:25,494 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:32:25,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:32:25" (3/4) ... [2022-12-13 13:32:25,497 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:32:25,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:32:25,498 INFO L158 Benchmark]: Toolchain (without parser) took 1038.90ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 95.1MB in the beginning and 115.2MB in the end (delta: -20.1MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2022-12-13 13:32:25,498 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:32:25,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.97ms. Allocated memory is still 138.4MB. Free memory was 95.1MB in the beginning and 80.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:32:25,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.14ms. Allocated memory is still 138.4MB. Free memory was 80.9MB in the beginning and 77.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:32:25,500 INFO L158 Benchmark]: Boogie Preprocessor took 22.81ms. Allocated memory is still 138.4MB. Free memory was 77.9MB in the beginning and 76.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:32:25,500 INFO L158 Benchmark]: RCFGBuilder took 419.57ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 76.3MB in the beginning and 136.2MB in the end (delta: -59.9MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-12-13 13:32:25,500 INFO L158 Benchmark]: TraceAbstraction took 310.75ms. Allocated memory is still 190.8MB. Free memory was 135.2MB in the beginning and 115.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 13:32:25,501 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 190.8MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:32:25,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.97ms. Allocated memory is still 138.4MB. Free memory was 95.1MB in the beginning and 80.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.14ms. Allocated memory is still 138.4MB. Free memory was 80.9MB in the beginning and 77.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.81ms. Allocated memory is still 138.4MB. Free memory was 77.9MB in the beginning and 76.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.57ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 76.3MB in the beginning and 136.2MB in the end (delta: -59.9MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * TraceAbstraction took 310.75ms. Allocated memory is still 190.8MB. Free memory was 135.2MB in the beginning and 115.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 190.8MB. Free memory is still 115.2MB. 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 98, overapproximation of bitwiseAnd at line 87. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L31] const SORT_1 var_10 = 0; [L32] const SORT_5 var_18 = 1; [L33] const SORT_5 var_28 = 0; [L35] SORT_1 input_2; [L36] SORT_1 input_3; [L37] SORT_1 input_4; [L38] SORT_5 input_6; [L39] SORT_5 input_7; [L40] SORT_5 input_8; [L41] SORT_5 input_9; [L43] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L49] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_1 init_12_arg_1 = var_10; [L57] state_11 = init_12_arg_1 [L58] SORT_1 init_14_arg_1 = var_10; [L59] state_13 = init_14_arg_1 [L60] SORT_1 init_23_arg_1 = var_10; [L61] state_22 = init_23_arg_1 [L62] SORT_1 init_25_arg_1 = var_10; [L63] state_24 = init_25_arg_1 [L64] SORT_1 init_27_arg_1 = var_10; [L65] state_26 = init_27_arg_1 [L66] SORT_5 init_30_arg_1 = var_28; [L67] state_29 = init_30_arg_1 [L68] SORT_5 init_32_arg_1 = var_28; [L69] state_31 = init_32_arg_1 [L70] SORT_1 init_34_arg_1 = var_10; [L71] state_33 = init_34_arg_1 [L72] SORT_5 init_36_arg_1 = var_28; [L73] state_35 = init_36_arg_1 [L74] SORT_1 init_38_arg_1 = var_10; [L75] state_37 = init_38_arg_1 [L76] SORT_1 init_41_arg_1 = var_10; [L77] state_40 = init_41_arg_1 [L78] SORT_1 init_43_arg_1 = var_10; [L79] state_42 = init_43_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L82] input_2 = __VERIFIER_nondet_uchar() [L83] input_3 = __VERIFIER_nondet_uchar() [L84] input_4 = __VERIFIER_nondet_uchar() [L85] input_6 = __VERIFIER_nondet_uchar() [L86] input_7 = __VERIFIER_nondet_uchar() [L87] input_7 = input_7 & mask_SORT_5 [L88] input_8 = __VERIFIER_nondet_uchar() [L89] input_8 = input_8 & mask_SORT_5 [L90] input_9 = __VERIFIER_nondet_uchar() [L91] input_9 = input_9 & mask_SORT_5 [L94] SORT_1 var_15_arg_0 = state_11; [L95] SORT_1 var_15_arg_1 = state_13; [L96] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L97] SORT_5 var_19_arg_0 = var_15; [L98] SORT_5 var_19 = ~var_19_arg_0; [L99] SORT_5 var_20_arg_0 = var_18; [L100] SORT_5 var_20_arg_1 = var_19; [L101] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L102] var_20 = var_20 & mask_SORT_5 [L103] SORT_5 bad_21_arg_0 = var_20; [L104] CALL __VERIFIER_assert(!(bad_21_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: 0.2s, 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 [2022-12-13 13:32:25,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8 --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 9d5a40d30bdb637dd2c987738fb0d731ff79366f937c446bccf8e9f932481a19 --- 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-2329fc7 [2022-12-13 13:32:27,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:32:27,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:32:27,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:32:27,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:32:27,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:32:27,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:32:27,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:32:27,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:32:27,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:32:27,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:32:27,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:32:27,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:32:27,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:32:27,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:32:27,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:32:27,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:32:27,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:32:27,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:32:27,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:32:27,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:32:27,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:32:27,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:32:27,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:32:27,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:32:27,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:32:27,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:32:27,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:32:27,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:32:27,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:32:27,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:32:27,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:32:27,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:32:27,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:32:27,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:32:27,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:32:27,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:32:27,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:32:27,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:32:27,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:32:27,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:32:27,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 13:32:27,088 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:32:27,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:32:27,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:32:27,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:32:27,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:32:27,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:32:27,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:32:27,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:32:27,089 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:32:27,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:32:27,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:32:27,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:32:27,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:32:27,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:32:27,090 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:32:27,090 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:32:27,090 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:32:27,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:32:27,091 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:32:27,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:32:27,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:32:27,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:32:27,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:32:27,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:32:27,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:32:27,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:32:27,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:32:27,092 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:32:27,092 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:32:27,092 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:32:27,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:32:27,092 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:32:27,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:32:27,092 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:32:27,092 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:32:27,093 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_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d5a40d30bdb637dd2c987738fb0d731ff79366f937c446bccf8e9f932481a19 [2022-12-13 13:32:27,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:32:27,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:32:27,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:32:27,318 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:32:27,318 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:32:27,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2022-12-13 13:32:29,901 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:32:30,046 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:32:30,047 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2022-12-13 13:32:30,053 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/data/6ab81103e/b523f57f0cf647c0b53d21117ffc0501/FLAGf56c3bc5b [2022-12-13 13:32:30,064 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/data/6ab81103e/b523f57f0cf647c0b53d21117ffc0501 [2022-12-13 13:32:30,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:32:30,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:32:30,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:32:30,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:32:30,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:32:30,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2739de9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30, skipping insertion in model container [2022-12-13 13:32:30,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:32:30,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:32:30,197 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_b62a189a-b408-4df6-8d42-d0c50c233cca/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1107,1120] [2022-12-13 13:32:30,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:32:30,247 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:32:30,255 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_b62a189a-b408-4df6-8d42-d0c50c233cca/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1107,1120] [2022-12-13 13:32:30,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:32:30,291 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:32:30,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30 WrapperNode [2022-12-13 13:32:30,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:32:30,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:32:30,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:32:30,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:32:30,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,334 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 227 [2022-12-13 13:32:30,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:32:30,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:32:30,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:32:30,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:32:30,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,356 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:32:30,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:32:30,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:32:30,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:32:30,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30" (1/1) ... [2022-12-13 13:32:30,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:32:30,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:32:30,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:32:30,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:32:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:32:30,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:32:30,500 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:32:30,507 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:32:30,690 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:32:30,696 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:32:30,696 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 13:32:30,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:32:30 BoogieIcfgContainer [2022-12-13 13:32:30,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:32:30,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:32:30,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:32:30,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:32:30,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:32:30" (1/3) ... [2022-12-13 13:32:30,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9767dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:32:30, skipping insertion in model container [2022-12-13 13:32:30,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:32:30" (2/3) ... [2022-12-13 13:32:30,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9767dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:32:30, skipping insertion in model container [2022-12-13 13:32:30,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:32:30" (3/3) ... [2022-12-13 13:32:30,704 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2022-12-13 13:32:30,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:32:30,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:32:30,752 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:32:30,757 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;@3132be57, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:32:30,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:32:30,761 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) [2022-12-13 13:32:30,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 13:32:30,765 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:32:30,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 13:32:30,766 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:32:30,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:32:30,771 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 13:32:30,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:32:30,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331906161] [2022-12-13 13:32:30,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:32:30,781 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 [2022-12-13 13:32:30,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:32:30,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:32:30,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:32:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:30,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-13 13:32:30,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:32:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:32:30,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:32:30,988 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:32:30,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331906161] [2022-12-13 13:32:30,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [331906161] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:32:30,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:32:30,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:32:30,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431284065] [2022-12-13 13:32:30,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:32:30,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:32:30,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:32:31,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:32:31,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:32:31,017 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:32:31,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:32:31,066 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-13 13:32:31,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:32:31,068 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 [2022-12-13 13:32:31,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:32:31,074 INFO L225 Difference]: With dead ends: 20 [2022-12-13 13:32:31,074 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 13:32:31,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:32:31,078 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 [2022-12-13 13:32:31,079 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] [2022-12-13 13:32:31,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 13:32:31,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-13 13:32:31,098 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) [2022-12-13 13:32:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-13 13:32:31,100 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-13 13:32:31,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:32:31,100 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-13 13:32:31,100 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) [2022-12-13 13:32:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-13 13:32:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 13:32:31,100 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:32:31,101 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 13:32:31,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:32:31,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:32:31,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:32:31,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:32:31,305 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-13 13:32:31,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:32:31,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928505134] [2022-12-13 13:32:31,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:32:31,310 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 [2022-12-13 13:32:31,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:32:31,313 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:32:31,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:32:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:32:31,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 13:32:31,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:32:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:32:31,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:32:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:32:32,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:32:32,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928505134] [2022-12-13 13:32:32,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928505134] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:32:32,813 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:32:32,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-12-13 13:32:32,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115317364] [2022-12-13 13:32:32,814 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 13:32:32,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:32:32,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:32:32,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:32:32,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:32:32,816 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:32:32,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:32:32,913 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-13 13:32:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:32:32,914 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-13 13:32:32,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:32:32,914 INFO L225 Difference]: With dead ends: 16 [2022-12-13 13:32:32,914 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 13:32:32,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-12-13 13:32:32,916 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:32:32,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 18 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:32:32,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 13:32:32,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-12-13 13:32:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:32:32,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-13 13:32:32,920 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-12-13 13:32:32,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:32:32,921 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-12-13 13:32:32,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:32:32,921 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-13 13:32:32,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 13:32:32,921 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:32:32,921 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-13 13:32:32,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 13:32:33,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:32:33,123 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:32:33,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:32:33,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-12-13 13:32:33,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:32:33,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202761128] [2022-12-13 13:32:33,128 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 13:32:33,128 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 [2022-12-13 13:32:33,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:32:33,131 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:32:33,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 13:32:33,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 13:32:33,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:32:33,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 74 conjunts are in the unsatisfiable core [2022-12-13 13:32:33,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:32:33,588 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:32:33,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:32:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:32:35,382 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:32:35,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202761128] [2022-12-13 13:32:35,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202761128] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:32:35,382 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:32:35,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-12-13 13:32:35,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644172635] [2022-12-13 13:32:35,383 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 13:32:35,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:32:35,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:32:35,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:32:35,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:32:35,384 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:32:35,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:32:35,556 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-12-13 13:32:35,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:32:35,557 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 13:32:35,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:32:35,557 INFO L225 Difference]: With dead ends: 19 [2022-12-13 13:32:35,557 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 13:32:35,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2022-12-13 13:32:35,559 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:32:35,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 25 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:32:35,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 13:32:35,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-12-13 13:32:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2022-12-13 13:32:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-13 13:32:35,562 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-12-13 13:32:35,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:32:35,563 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-13 13:32:35,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:32:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-13 13:32:35,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 13:32:35,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:32:35,563 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-12-13 13:32:35,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 13:32:35,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:32:35,765 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:32:35,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:32:35,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-12-13 13:32:35,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:32:35,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383859991] [2022-12-13 13:32:35,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 13:32:35,770 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 [2022-12-13 13:32:35,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:32:35,773 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:32:35,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 13:32:35,920 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-13 13:32:35,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-12-13 13:32:35,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:32:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:32:36,086 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 13:32:36,086 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:32:36,087 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 13:32:36,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 13:32:36,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:32:36,299 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2022-12-13 13:32:36,308 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:32:36,372 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 13:32:36,372 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 13:32:36,372 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 13:32:36,372 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 13:32:36,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:32:36 BoogieIcfgContainer [2022-12-13 13:32:36,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:32:36,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:32:36,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:32:36,388 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:32:36,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:32:30" (3/4) ... [2022-12-13 13:32:36,389 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 13:32:36,401 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 13:32:36,401 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 13:32:36,401 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 13:32:36,401 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 13:32:36,450 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:32:36,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:32:36,451 INFO L158 Benchmark]: Toolchain (without parser) took 6383.61ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 78.3MB in the beginning and 80.2MB in the end (delta: -2.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-12-13 13:32:36,451 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:32:36,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.44ms. Allocated memory is still 98.6MB. Free memory was 78.0MB in the beginning and 63.6MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 13:32:36,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.63ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 61.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:32:36,452 INFO L158 Benchmark]: Boogie Preprocessor took 23.46ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 59.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:32:36,452 INFO L158 Benchmark]: RCFGBuilder took 338.13ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 62.5MB in the end (delta: -3.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-12-13 13:32:36,452 INFO L158 Benchmark]: TraceAbstraction took 5687.64ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.0MB in the beginning and 91.8MB in the end (delta: -29.8MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-12-13 13:32:36,452 INFO L158 Benchmark]: Witness Printer took 63.39ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 80.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 13:32:36,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.44ms. Allocated memory is still 98.6MB. Free memory was 78.0MB in the beginning and 63.6MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.63ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 61.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.46ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 59.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.13ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 62.5MB in the end (delta: -3.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5687.64ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.0MB in the beginning and 91.8MB in the end (delta: -29.8MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Witness Printer took 63.39ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 80.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L31] const SORT_1 var_10 = 0; [L32] const SORT_5 var_18 = 1; [L33] const SORT_5 var_28 = 0; [L35] SORT_1 input_2; [L36] SORT_1 input_3; [L37] SORT_1 input_4; [L38] SORT_5 input_6; [L39] SORT_5 input_7; [L40] SORT_5 input_8; [L41] SORT_5 input_9; [L43] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L49] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_1 init_12_arg_1 = var_10; [L57] state_11 = init_12_arg_1 [L58] SORT_1 init_14_arg_1 = var_10; [L59] state_13 = init_14_arg_1 [L60] SORT_1 init_23_arg_1 = var_10; [L61] state_22 = init_23_arg_1 [L62] SORT_1 init_25_arg_1 = var_10; [L63] state_24 = init_25_arg_1 [L64] SORT_1 init_27_arg_1 = var_10; [L65] state_26 = init_27_arg_1 [L66] SORT_5 init_30_arg_1 = var_28; [L67] state_29 = init_30_arg_1 [L68] SORT_5 init_32_arg_1 = var_28; [L69] state_31 = init_32_arg_1 [L70] SORT_1 init_34_arg_1 = var_10; [L71] state_33 = init_34_arg_1 [L72] SORT_5 init_36_arg_1 = var_28; [L73] state_35 = init_36_arg_1 [L74] SORT_1 init_38_arg_1 = var_10; [L75] state_37 = init_38_arg_1 [L76] SORT_1 init_41_arg_1 = var_10; [L77] state_40 = init_41_arg_1 [L78] SORT_1 init_43_arg_1 = var_10; [L79] state_42 = init_43_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L82] input_2 = __VERIFIER_nondet_uchar() [L83] input_3 = __VERIFIER_nondet_uchar() [L84] input_4 = __VERIFIER_nondet_uchar() [L85] input_6 = __VERIFIER_nondet_uchar() [L86] input_7 = __VERIFIER_nondet_uchar() [L87] input_7 = input_7 & mask_SORT_5 [L88] input_8 = __VERIFIER_nondet_uchar() [L89] input_8 = input_8 & mask_SORT_5 [L90] input_9 = __VERIFIER_nondet_uchar() [L91] input_9 = input_9 & mask_SORT_5 [L94] SORT_1 var_15_arg_0 = state_11; [L95] SORT_1 var_15_arg_1 = state_13; [L96] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L97] SORT_5 var_19_arg_0 = var_15; [L98] SORT_5 var_19 = ~var_19_arg_0; [L99] SORT_5 var_20_arg_0 = var_18; [L100] SORT_5 var_20_arg_1 = var_19; [L101] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L102] var_20 = var_20 & mask_SORT_5 [L103] SORT_5 bad_21_arg_0 = var_20; [L104] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L104] RET __VERIFIER_assert(!(bad_21_arg_0)) [L106] SORT_5 var_52_arg_0 = input_9; [L107] SORT_5 var_52_arg_1 = var_18; [L108] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L109] SORT_5 var_53_arg_0 = var_52; [L110] SORT_1 var_53_arg_1 = var_10; [L111] SORT_1 var_53_arg_2 = state_42; [L112] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L113] var_53 = var_53 & mask_SORT_1 [L114] SORT_1 next_54_arg_1 = var_53; [L115] SORT_5 var_58_arg_0 = input_9; [L116] SORT_5 var_58_arg_1 = var_18; [L117] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L118] SORT_1 var_56_arg_0 = state_37; [L119] SORT_1 var_56_arg_1 = state_33; [L120] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L121] SORT_1 var_55_arg_0 = state_37; [L122] SORT_1 var_55_arg_1 = state_33; [L123] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L124] SORT_5 var_57_arg_0 = state_35; [L125] SORT_1 var_57_arg_1 = var_56; [L126] SORT_1 var_57_arg_2 = var_55; [L127] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L128] SORT_5 var_59_arg_0 = var_58; [L129] SORT_1 var_59_arg_1 = var_10; [L130] SORT_1 var_59_arg_2 = var_57; [L131] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L132] var_59 = var_59 & mask_SORT_1 [L133] SORT_1 next_60_arg_1 = var_59; [L134] SORT_5 var_61_arg_0 = var_58; [L135] SORT_1 var_61_arg_1 = var_10; [L136] SORT_1 var_61_arg_2 = input_2; [L137] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L138] SORT_1 next_62_arg_1 = var_61; [L139] SORT_5 var_63_arg_0 = var_58; [L140] SORT_1 var_63_arg_1 = var_10; [L141] SORT_1 var_63_arg_2 = input_3; [L142] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L143] SORT_1 next_64_arg_1 = var_63; [L144] SORT_5 var_65_arg_0 = var_58; [L145] SORT_1 var_65_arg_1 = var_10; [L146] SORT_1 var_65_arg_2 = input_4; [L147] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L148] SORT_1 next_66_arg_1 = var_65; [L149] SORT_5 var_67_arg_0 = var_58; [L150] SORT_5 var_67_arg_1 = var_28; [L151] SORT_5 var_67_arg_2 = input_7; [L152] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L153] SORT_5 next_68_arg_1 = var_67; [L154] SORT_5 var_69_arg_0 = var_58; [L155] SORT_5 var_69_arg_1 = var_28; [L156] SORT_5 var_69_arg_2 = input_8; [L157] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L158] SORT_5 next_70_arg_1 = var_69; [L159] SORT_5 var_71_arg_0 = var_58; [L160] SORT_1 var_71_arg_1 = var_10; [L161] SORT_1 var_71_arg_2 = state_26; [L162] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L163] SORT_1 next_72_arg_1 = var_71; [L164] SORT_5 var_73_arg_0 = var_58; [L165] SORT_5 var_73_arg_1 = var_28; [L166] SORT_5 var_73_arg_2 = state_31; [L167] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L168] var_73 = var_73 & mask_SORT_5 [L169] SORT_5 next_74_arg_1 = var_73; [L170] SORT_5 var_77_arg_0 = state_29; [L171] SORT_5 var_77 = ~var_77_arg_0; [L172] var_77 = var_77 & mask_SORT_5 [L173] SORT_1 var_76_arg_0 = state_22; [L174] SORT_1 var_76_arg_1 = state_24; [L175] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L176] SORT_1 var_75_arg_0 = state_22; [L177] SORT_1 var_75_arg_1 = state_24; [L178] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L179] SORT_5 var_78_arg_0 = var_77; [L180] SORT_1 var_78_arg_1 = var_76; [L181] SORT_1 var_78_arg_2 = var_75; [L182] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L183] SORT_5 var_79_arg_0 = var_58; [L184] SORT_1 var_79_arg_1 = var_10; [L185] SORT_1 var_79_arg_2 = var_78; [L186] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L187] SORT_1 next_80_arg_1 = var_79; [L188] SORT_1 var_45_arg_0 = input_2; [L189] SORT_1 var_45_arg_1 = input_3; [L190] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L191] SORT_1 var_44_arg_0 = input_2; [L192] SORT_1 var_44_arg_1 = input_3; [L193] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L194] SORT_5 var_46_arg_0 = input_7; [L195] SORT_1 var_46_arg_1 = var_45; [L196] SORT_1 var_46_arg_2 = var_44; [L197] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L198] SORT_1 var_48_arg_0 = var_46; [L199] SORT_1 var_48_arg_1 = input_4; [L200] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L201] SORT_1 var_47_arg_0 = var_46; [L202] SORT_1 var_47_arg_1 = input_4; [L203] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L204] SORT_5 var_49_arg_0 = input_8; [L205] SORT_1 var_49_arg_1 = var_48; [L206] SORT_1 var_49_arg_2 = var_47; [L207] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L208] SORT_5 var_81_arg_0 = var_52; [L209] SORT_1 var_81_arg_1 = var_10; [L210] SORT_1 var_81_arg_2 = var_49; [L211] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L212] SORT_1 next_82_arg_1 = var_81; [L213] SORT_5 var_83_arg_0 = var_52; [L214] SORT_1 var_83_arg_1 = var_10; [L215] SORT_1 var_83_arg_2 = state_40; [L216] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L217] SORT_1 next_84_arg_1 = var_83; [L219] state_11 = next_54_arg_1 [L220] state_13 = next_60_arg_1 [L221] state_22 = next_62_arg_1 [L222] state_24 = next_64_arg_1 [L223] state_26 = next_66_arg_1 [L224] state_29 = next_68_arg_1 [L225] state_31 = next_70_arg_1 [L226] state_33 = next_72_arg_1 [L227] state_35 = next_74_arg_1 [L228] state_37 = next_80_arg_1 [L229] state_40 = next_82_arg_1 [L230] state_42 = next_84_arg_1 VAL [bad_21_arg_0=0, init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_2=64, input_3=192, input_4=0, input_6=2, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=0, next_60_arg_1=0, next_62_arg_1=64, next_64_arg_1=192, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=0, next_72_arg_1=0, next_74_arg_1=0, next_80_arg_1=0, next_82_arg_1=128, next_84_arg_1=0, state_11=0, state_13=0, state_22=64, state_24=192, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=128, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20=0, var_20_arg_0=1, var_20_arg_1=254, var_28=0, var_44=128, var_44_arg_0=64, var_44_arg_1=192, var_45=0, var_45_arg_0=64, var_45_arg_1=192, var_46=128, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=128, var_47=128, var_47_arg_0=128, var_47_arg_1=0, var_48=128, var_48_arg_0=128, var_48_arg_1=0, var_49=128, var_49_arg_0=0, var_49_arg_1=128, var_49_arg_2=128, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=64, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=64, var_63=192, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=192, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_76=0, var_76_arg_0=0, var_76_arg_1=0, var_77=1, var_77_arg_0=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=128, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=128, var_83=0, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=0] [L82] input_2 = __VERIFIER_nondet_uchar() [L83] input_3 = __VERIFIER_nondet_uchar() [L84] input_4 = __VERIFIER_nondet_uchar() [L85] input_6 = __VERIFIER_nondet_uchar() [L86] input_7 = __VERIFIER_nondet_uchar() [L87] input_7 = input_7 & mask_SORT_5 [L88] input_8 = __VERIFIER_nondet_uchar() [L89] input_8 = input_8 & mask_SORT_5 [L90] input_9 = __VERIFIER_nondet_uchar() [L91] input_9 = input_9 & mask_SORT_5 [L94] SORT_1 var_15_arg_0 = state_11; [L95] SORT_1 var_15_arg_1 = state_13; [L96] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L97] SORT_5 var_19_arg_0 = var_15; [L98] SORT_5 var_19 = ~var_19_arg_0; [L99] SORT_5 var_20_arg_0 = var_18; [L100] SORT_5 var_20_arg_1 = var_19; [L101] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L102] var_20 = var_20 & mask_SORT_5 [L103] SORT_5 bad_21_arg_0 = var_20; [L104] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L104] RET __VERIFIER_assert(!(bad_21_arg_0)) [L106] SORT_5 var_52_arg_0 = input_9; [L107] SORT_5 var_52_arg_1 = var_18; [L108] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L109] SORT_5 var_53_arg_0 = var_52; [L110] SORT_1 var_53_arg_1 = var_10; [L111] SORT_1 var_53_arg_2 = state_42; [L112] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L113] var_53 = var_53 & mask_SORT_1 [L114] SORT_1 next_54_arg_1 = var_53; [L115] SORT_5 var_58_arg_0 = input_9; [L116] SORT_5 var_58_arg_1 = var_18; [L117] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L118] SORT_1 var_56_arg_0 = state_37; [L119] SORT_1 var_56_arg_1 = state_33; [L120] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L121] SORT_1 var_55_arg_0 = state_37; [L122] SORT_1 var_55_arg_1 = state_33; [L123] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L124] SORT_5 var_57_arg_0 = state_35; [L125] SORT_1 var_57_arg_1 = var_56; [L126] SORT_1 var_57_arg_2 = var_55; [L127] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L128] SORT_5 var_59_arg_0 = var_58; [L129] SORT_1 var_59_arg_1 = var_10; [L130] SORT_1 var_59_arg_2 = var_57; [L131] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L132] var_59 = var_59 & mask_SORT_1 [L133] SORT_1 next_60_arg_1 = var_59; [L134] SORT_5 var_61_arg_0 = var_58; [L135] SORT_1 var_61_arg_1 = var_10; [L136] SORT_1 var_61_arg_2 = input_2; [L137] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L138] SORT_1 next_62_arg_1 = var_61; [L139] SORT_5 var_63_arg_0 = var_58; [L140] SORT_1 var_63_arg_1 = var_10; [L141] SORT_1 var_63_arg_2 = input_3; [L142] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L143] SORT_1 next_64_arg_1 = var_63; [L144] SORT_5 var_65_arg_0 = var_58; [L145] SORT_1 var_65_arg_1 = var_10; [L146] SORT_1 var_65_arg_2 = input_4; [L147] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L148] SORT_1 next_66_arg_1 = var_65; [L149] SORT_5 var_67_arg_0 = var_58; [L150] SORT_5 var_67_arg_1 = var_28; [L151] SORT_5 var_67_arg_2 = input_7; [L152] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L153] SORT_5 next_68_arg_1 = var_67; [L154] SORT_5 var_69_arg_0 = var_58; [L155] SORT_5 var_69_arg_1 = var_28; [L156] SORT_5 var_69_arg_2 = input_8; [L157] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L158] SORT_5 next_70_arg_1 = var_69; [L159] SORT_5 var_71_arg_0 = var_58; [L160] SORT_1 var_71_arg_1 = var_10; [L161] SORT_1 var_71_arg_2 = state_26; [L162] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L163] SORT_1 next_72_arg_1 = var_71; [L164] SORT_5 var_73_arg_0 = var_58; [L165] SORT_5 var_73_arg_1 = var_28; [L166] SORT_5 var_73_arg_2 = state_31; [L167] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L168] var_73 = var_73 & mask_SORT_5 [L169] SORT_5 next_74_arg_1 = var_73; [L170] SORT_5 var_77_arg_0 = state_29; [L171] SORT_5 var_77 = ~var_77_arg_0; [L172] var_77 = var_77 & mask_SORT_5 [L173] SORT_1 var_76_arg_0 = state_22; [L174] SORT_1 var_76_arg_1 = state_24; [L175] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L176] SORT_1 var_75_arg_0 = state_22; [L177] SORT_1 var_75_arg_1 = state_24; [L178] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L179] SORT_5 var_78_arg_0 = var_77; [L180] SORT_1 var_78_arg_1 = var_76; [L181] SORT_1 var_78_arg_2 = var_75; [L182] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L183] SORT_5 var_79_arg_0 = var_58; [L184] SORT_1 var_79_arg_1 = var_10; [L185] SORT_1 var_79_arg_2 = var_78; [L186] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L187] SORT_1 next_80_arg_1 = var_79; [L188] SORT_1 var_45_arg_0 = input_2; [L189] SORT_1 var_45_arg_1 = input_3; [L190] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L191] SORT_1 var_44_arg_0 = input_2; [L192] SORT_1 var_44_arg_1 = input_3; [L193] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L194] SORT_5 var_46_arg_0 = input_7; [L195] SORT_1 var_46_arg_1 = var_45; [L196] SORT_1 var_46_arg_2 = var_44; [L197] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L198] SORT_1 var_48_arg_0 = var_46; [L199] SORT_1 var_48_arg_1 = input_4; [L200] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L201] SORT_1 var_47_arg_0 = var_46; [L202] SORT_1 var_47_arg_1 = input_4; [L203] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L204] SORT_5 var_49_arg_0 = input_8; [L205] SORT_1 var_49_arg_1 = var_48; [L206] SORT_1 var_49_arg_2 = var_47; [L207] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L208] SORT_5 var_81_arg_0 = var_52; [L209] SORT_1 var_81_arg_1 = var_10; [L210] SORT_1 var_81_arg_2 = var_49; [L211] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L212] SORT_1 next_82_arg_1 = var_81; [L213] SORT_5 var_83_arg_0 = var_52; [L214] SORT_1 var_83_arg_1 = var_10; [L215] SORT_1 var_83_arg_2 = state_40; [L216] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L217] SORT_1 next_84_arg_1 = var_83; [L219] state_11 = next_54_arg_1 [L220] state_13 = next_60_arg_1 [L221] state_22 = next_62_arg_1 [L222] state_24 = next_64_arg_1 [L223] state_26 = next_66_arg_1 [L224] state_29 = next_68_arg_1 [L225] state_31 = next_70_arg_1 [L226] state_33 = next_72_arg_1 [L227] state_35 = next_74_arg_1 [L228] state_37 = next_80_arg_1 [L229] state_40 = next_82_arg_1 [L230] state_42 = next_84_arg_1 VAL [bad_21_arg_0=0, init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_2=0, input_3=0, input_4=0, input_6=3, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=0, next_60_arg_1=0, next_62_arg_1=0, next_64_arg_1=0, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=0, next_72_arg_1=0, next_74_arg_1=0, next_80_arg_1=0, next_82_arg_1=0, next_84_arg_1=128, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=128, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20=0, var_20_arg_0=1, var_20_arg_1=254, var_28=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=0, var_75=128, var_75_arg_0=64, var_75_arg_1=192, var_76=0, var_76_arg_0=64, var_76_arg_1=192, var_77=1, var_77_arg_0=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_arg_2=128, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=0, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=0, var_83=128, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=128] [L82] input_2 = __VERIFIER_nondet_uchar() [L83] input_3 = __VERIFIER_nondet_uchar() [L84] input_4 = __VERIFIER_nondet_uchar() [L85] input_6 = __VERIFIER_nondet_uchar() [L86] input_7 = __VERIFIER_nondet_uchar() [L87] input_7 = input_7 & mask_SORT_5 [L88] input_8 = __VERIFIER_nondet_uchar() [L89] input_8 = input_8 & mask_SORT_5 [L90] input_9 = __VERIFIER_nondet_uchar() [L91] input_9 = input_9 & mask_SORT_5 [L94] SORT_1 var_15_arg_0 = state_11; [L95] SORT_1 var_15_arg_1 = state_13; [L96] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L97] SORT_5 var_19_arg_0 = var_15; [L98] SORT_5 var_19 = ~var_19_arg_0; [L99] SORT_5 var_20_arg_0 = var_18; [L100] SORT_5 var_20_arg_1 = var_19; [L101] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L102] var_20 = var_20 & mask_SORT_5 [L103] SORT_5 bad_21_arg_0 = var_20; [L104] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L104] RET __VERIFIER_assert(!(bad_21_arg_0)) [L106] SORT_5 var_52_arg_0 = input_9; [L107] SORT_5 var_52_arg_1 = var_18; [L108] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L109] SORT_5 var_53_arg_0 = var_52; [L110] SORT_1 var_53_arg_1 = var_10; [L111] SORT_1 var_53_arg_2 = state_42; [L112] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L113] var_53 = var_53 & mask_SORT_1 [L114] SORT_1 next_54_arg_1 = var_53; [L115] SORT_5 var_58_arg_0 = input_9; [L116] SORT_5 var_58_arg_1 = var_18; [L117] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L118] SORT_1 var_56_arg_0 = state_37; [L119] SORT_1 var_56_arg_1 = state_33; [L120] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L121] SORT_1 var_55_arg_0 = state_37; [L122] SORT_1 var_55_arg_1 = state_33; [L123] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L124] SORT_5 var_57_arg_0 = state_35; [L125] SORT_1 var_57_arg_1 = var_56; [L126] SORT_1 var_57_arg_2 = var_55; [L127] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L128] SORT_5 var_59_arg_0 = var_58; [L129] SORT_1 var_59_arg_1 = var_10; [L130] SORT_1 var_59_arg_2 = var_57; [L131] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L132] var_59 = var_59 & mask_SORT_1 [L133] SORT_1 next_60_arg_1 = var_59; [L134] SORT_5 var_61_arg_0 = var_58; [L135] SORT_1 var_61_arg_1 = var_10; [L136] SORT_1 var_61_arg_2 = input_2; [L137] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L138] SORT_1 next_62_arg_1 = var_61; [L139] SORT_5 var_63_arg_0 = var_58; [L140] SORT_1 var_63_arg_1 = var_10; [L141] SORT_1 var_63_arg_2 = input_3; [L142] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L143] SORT_1 next_64_arg_1 = var_63; [L144] SORT_5 var_65_arg_0 = var_58; [L145] SORT_1 var_65_arg_1 = var_10; [L146] SORT_1 var_65_arg_2 = input_4; [L147] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L148] SORT_1 next_66_arg_1 = var_65; [L149] SORT_5 var_67_arg_0 = var_58; [L150] SORT_5 var_67_arg_1 = var_28; [L151] SORT_5 var_67_arg_2 = input_7; [L152] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L153] SORT_5 next_68_arg_1 = var_67; [L154] SORT_5 var_69_arg_0 = var_58; [L155] SORT_5 var_69_arg_1 = var_28; [L156] SORT_5 var_69_arg_2 = input_8; [L157] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L158] SORT_5 next_70_arg_1 = var_69; [L159] SORT_5 var_71_arg_0 = var_58; [L160] SORT_1 var_71_arg_1 = var_10; [L161] SORT_1 var_71_arg_2 = state_26; [L162] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L163] SORT_1 next_72_arg_1 = var_71; [L164] SORT_5 var_73_arg_0 = var_58; [L165] SORT_5 var_73_arg_1 = var_28; [L166] SORT_5 var_73_arg_2 = state_31; [L167] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L168] var_73 = var_73 & mask_SORT_5 [L169] SORT_5 next_74_arg_1 = var_73; [L170] SORT_5 var_77_arg_0 = state_29; [L171] SORT_5 var_77 = ~var_77_arg_0; [L172] var_77 = var_77 & mask_SORT_5 [L173] SORT_1 var_76_arg_0 = state_22; [L174] SORT_1 var_76_arg_1 = state_24; [L175] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L176] SORT_1 var_75_arg_0 = state_22; [L177] SORT_1 var_75_arg_1 = state_24; [L178] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L179] SORT_5 var_78_arg_0 = var_77; [L180] SORT_1 var_78_arg_1 = var_76; [L181] SORT_1 var_78_arg_2 = var_75; [L182] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L183] SORT_5 var_79_arg_0 = var_58; [L184] SORT_1 var_79_arg_1 = var_10; [L185] SORT_1 var_79_arg_2 = var_78; [L186] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L187] SORT_1 next_80_arg_1 = var_79; [L188] SORT_1 var_45_arg_0 = input_2; [L189] SORT_1 var_45_arg_1 = input_3; [L190] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L191] SORT_1 var_44_arg_0 = input_2; [L192] SORT_1 var_44_arg_1 = input_3; [L193] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L194] SORT_5 var_46_arg_0 = input_7; [L195] SORT_1 var_46_arg_1 = var_45; [L196] SORT_1 var_46_arg_2 = var_44; [L197] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L198] SORT_1 var_48_arg_0 = var_46; [L199] SORT_1 var_48_arg_1 = input_4; [L200] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L201] SORT_1 var_47_arg_0 = var_46; [L202] SORT_1 var_47_arg_1 = input_4; [L203] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L204] SORT_5 var_49_arg_0 = input_8; [L205] SORT_1 var_49_arg_1 = var_48; [L206] SORT_1 var_49_arg_2 = var_47; [L207] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L208] SORT_5 var_81_arg_0 = var_52; [L209] SORT_1 var_81_arg_1 = var_10; [L210] SORT_1 var_81_arg_2 = var_49; [L211] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L212] SORT_1 next_82_arg_1 = var_81; [L213] SORT_5 var_83_arg_0 = var_52; [L214] SORT_1 var_83_arg_1 = var_10; [L215] SORT_1 var_83_arg_2 = state_40; [L216] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L217] SORT_1 next_84_arg_1 = var_83; [L219] state_11 = next_54_arg_1 [L220] state_13 = next_60_arg_1 [L221] state_22 = next_62_arg_1 [L222] state_24 = next_64_arg_1 [L223] state_26 = next_66_arg_1 [L224] state_29 = next_68_arg_1 [L225] state_31 = next_70_arg_1 [L226] state_33 = next_72_arg_1 [L227] state_35 = next_74_arg_1 [L228] state_37 = next_80_arg_1 [L229] state_40 = next_82_arg_1 [L230] state_42 = next_84_arg_1 VAL [bad_21_arg_0=0, init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_2=0, input_3=0, input_4=0, input_6=4, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=128, next_60_arg_1=0, next_62_arg_1=0, next_64_arg_1=0, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=0, next_72_arg_1=0, next_74_arg_1=0, next_80_arg_1=0, next_82_arg_1=0, next_84_arg_1=0, state_11=128, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20=0, var_20_arg_0=1, var_20_arg_1=254, var_28=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=128, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=128, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_76=0, var_76_arg_0=0, var_76_arg_1=0, var_77=1, var_77_arg_0=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=0, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=0, var_83=0, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=0] [L82] input_2 = __VERIFIER_nondet_uchar() [L83] input_3 = __VERIFIER_nondet_uchar() [L84] input_4 = __VERIFIER_nondet_uchar() [L85] input_6 = __VERIFIER_nondet_uchar() [L86] input_7 = __VERIFIER_nondet_uchar() [L87] input_7 = input_7 & mask_SORT_5 [L88] input_8 = __VERIFIER_nondet_uchar() [L89] input_8 = input_8 & mask_SORT_5 [L90] input_9 = __VERIFIER_nondet_uchar() [L91] input_9 = input_9 & mask_SORT_5 [L94] SORT_1 var_15_arg_0 = state_11; [L95] SORT_1 var_15_arg_1 = state_13; [L96] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L97] SORT_5 var_19_arg_0 = var_15; [L98] SORT_5 var_19 = ~var_19_arg_0; [L99] SORT_5 var_20_arg_0 = var_18; [L100] SORT_5 var_20_arg_1 = var_19; [L101] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L102] var_20 = var_20 & mask_SORT_5 [L103] SORT_5 bad_21_arg_0 = var_20; [L104] CALL __VERIFIER_assert(!(bad_21_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: 5.6s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 13 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 38 ConstructedInterpolants, 13 QuantifiedInterpolants, 1517 SizeOfPredicates, 133 NumberOfNonLiveVariables, 579 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 13:32:36,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62a189a-b408-4df6-8d42-d0c50c233cca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE