./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 356d4a12962a540140ebba68874ce6eceea0c4ac73970f06eb56d210b432d6ba --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:30:16,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:30:16,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:30:16,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:30:16,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:30:16,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:30:16,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:30:16,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:30:16,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:30:16,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:30:16,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:30:16,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:30:16,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:30:16,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:30:16,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:30:16,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:30:16,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:30:16,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:30:16,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:30:16,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:30:16,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:30:16,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:30:16,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:30:16,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:30:16,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:30:16,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:30:16,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:30:16,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:30:16,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:30:16,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:30:16,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:30:16,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:30:16,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:30:16,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:30:16,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:30:16,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:30:16,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:30:16,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:30:16,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:30:16,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:30:16,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:30:16,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 18:30:16,427 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:30:16,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:30:16,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:30:16,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:30:16,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:30:16,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:30:16,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:30:16,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:30:16,431 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:30:16,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:30:16,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:30:16,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:30:16,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:30:16,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:30:16,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:30:16,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:30:16,434 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:30:16,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:30:16,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:30:16,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:30:16,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:30:16,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:30:16,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:30:16,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:30:16,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:30:16,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:30:16,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:30:16,437 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:30:16,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:30:16,438 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:30:16,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:30:16,439 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_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 356d4a12962a540140ebba68874ce6eceea0c4ac73970f06eb56d210b432d6ba [2022-11-25 18:30:16,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:30:16,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:30:16,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:30:16,806 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:30:16,807 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:30:16,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.1.prop1-func-interl.c [2022-11-25 18:30:19,848 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:30:20,249 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:30:20,250 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.1.prop1-func-interl.c [2022-11-25 18:30:20,267 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/data/facf17fba/7a4b53183f004ecfb45a693701a1aae2/FLAG5b055066e [2022-11-25 18:30:20,295 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/data/facf17fba/7a4b53183f004ecfb45a693701a1aae2 [2022-11-25 18:30:20,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:30:20,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:30:20,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:30:20,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:30:20,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:30:20,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:30:20" (1/1) ... [2022-11-25 18:30:20,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423e0b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:20, skipping insertion in model container [2022-11-25 18:30:20,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:30:20" (1/1) ... [2022-11-25 18:30:20,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:30:20,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:30:20,540 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_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.1.prop1-func-interl.c[1014,1027] [2022-11-25 18:30:20,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:30:20,954 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:30:20,965 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_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.1.prop1-func-interl.c[1014,1027] [2022-11-25 18:30:21,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:30:21,198 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:30:21,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21 WrapperNode [2022-11-25 18:30:21,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:30:21,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:30:21,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:30:21,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:30:21,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21" (1/1) ... [2022-11-25 18:30:21,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21" (1/1) ... [2022-11-25 18:30:21,422 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1776 [2022-11-25 18:30:21,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:30:21,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:30:21,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:30:21,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:30:21,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21" (1/1) ... [2022-11-25 18:30:21,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21" (1/1) ... [2022-11-25 18:30:21,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21" (1/1) ... [2022-11-25 18:30:21,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21" (1/1) ... [2022-11-25 18:30:21,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21" (1/1) ... [2022-11-25 18:30:21,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21" (1/1) ... [2022-11-25 18:30:21,533 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21" (1/1) ... [2022-11-25 18:30:21,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21" (1/1) ... [2022-11-25 18:30:21,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:30:21,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:30:21,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:30:21,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:30:21,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21" (1/1) ... [2022-11-25 18:30:21,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:30:21,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:21,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:30:21,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:30:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:30:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:30:22,170 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:30:22,172 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:32:49,463 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:32:49,471 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:32:49,471 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 18:32:49,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:49 BoogieIcfgContainer [2022-11-25 18:32:49,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:32:49,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:32:49,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:32:49,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:32:49,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:30:20" (1/3) ... [2022-11-25 18:32:49,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@808e413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:32:49, skipping insertion in model container [2022-11-25 18:32:49,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:21" (2/3) ... [2022-11-25 18:32:49,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@808e413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:32:49, skipping insertion in model container [2022-11-25 18:32:49,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:49" (3/3) ... [2022-11-25 18:32:49,483 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.hanoi.1.prop1-func-interl.c [2022-11-25 18:32:49,504 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:32:49,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:32:49,555 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:32:49,562 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;@347f800e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:32:49,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:32:49,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:32:49,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 18:32:49,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:49,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 18:32:49,575 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:32:49,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:49,581 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 18:32:49,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:49,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999108926] [2022-11-25 18:32:49,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:49,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:32:49,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:32:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:32:50,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:32:50,144 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:32:50,145 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 18:32:50,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:32:50,154 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 18:32:50,159 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:32:50,198 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 18:32:50,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:32:50 BoogieIcfgContainer [2022-11-25 18:32:50,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:32:50,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:32:50,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:32:50,210 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:32:50,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:49" (3/4) ... [2022-11-25 18:32:50,214 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:32:50,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:32:50,216 INFO L158 Benchmark]: Toolchain (without parser) took 149916.45ms. Allocated memory was 148.9MB in the beginning and 889.2MB in the end (delta: 740.3MB). Free memory was 114.8MB in the beginning and 592.1MB in the end (delta: -477.3MB). Peak memory consumption was 264.4MB. Max. memory is 16.1GB. [2022-11-25 18:32:50,217 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 148.9MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:32:50,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 898.04ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 114.8MB in the beginning and 145.4MB in the end (delta: -30.6MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2022-11-25 18:32:50,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 223.42ms. Allocated memory is still 184.5MB. Free memory was 145.4MB in the beginning and 125.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 18:32:50,219 INFO L158 Benchmark]: Boogie Preprocessor took 137.71ms. Allocated memory is still 184.5MB. Free memory was 125.6MB in the beginning and 116.0MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 18:32:50,220 INFO L158 Benchmark]: RCFGBuilder took 147911.84ms. Allocated memory was 184.5MB in the beginning and 889.2MB in the end (delta: 704.6MB). Free memory was 116.0MB in the beginning and 635.1MB in the end (delta: -519.1MB). Peak memory consumption was 526.1MB. Max. memory is 16.1GB. [2022-11-25 18:32:50,220 INFO L158 Benchmark]: TraceAbstraction took 733.24ms. Allocated memory is still 889.2MB. Free memory was 634.0MB in the beginning and 592.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-25 18:32:50,221 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 889.2MB. Free memory is still 592.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:32:50,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 148.9MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 898.04ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 114.8MB in the beginning and 145.4MB in the end (delta: -30.6MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 223.42ms. Allocated memory is still 184.5MB. Free memory was 145.4MB in the beginning and 125.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.71ms. Allocated memory is still 184.5MB. Free memory was 125.6MB in the beginning and 116.0MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 147911.84ms. Allocated memory was 184.5MB in the beginning and 889.2MB in the end (delta: 704.6MB). Free memory was 116.0MB in the beginning and 635.1MB in the end (delta: -519.1MB). Peak memory consumption was 526.1MB. Max. memory is 16.1GB. * TraceAbstraction took 733.24ms. Allocated memory is still 889.2MB. Free memory was 634.0MB in the beginning and 592.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 889.2MB. Free memory is still 592.1MB. 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 204, overapproximation of bitwiseAnd at line 183, overapproximation of bitwiseXor at line 198. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L37] const SORT_2 var_5 = 0; [L38] const SORT_1 var_66 = 0; [L39] const SORT_2 var_81 = 8; [L40] const SORT_2 var_82 = 1; [L41] const SORT_2 var_87 = 100; [L42] const SORT_2 var_88 = 0; [L43] const SORT_2 var_89 = 9; [L44] const SORT_4 var_94 = 0; [L45] const SORT_3 var_95 = 0; [L46] const SORT_4 var_97 = 1; [L47] const SORT_4 var_102 = 2; [L48] const SORT_4 var_104 = 3; [L49] const SORT_4 var_106 = 4; [L50] const SORT_4 var_108 = 5; [L51] const SORT_4 var_110 = 6; [L52] const SORT_4 var_112 = 7; [L53] const SORT_2 var_171 = 7; [L54] const SORT_2 var_172 = 2; [L55] const SORT_2 var_186 = 6; [L56] const SORT_2 var_187 = 3; [L57] const SORT_2 var_201 = 5; [L58] const SORT_2 var_202 = 4; [L59] const SORT_4 var_258 = 8; [L61] SORT_1 input_92; [L62] SORT_1 input_122; [L63] SORT_1 input_147; [L64] SORT_1 input_149; [L65] SORT_1 input_279; [L66] SORT_1 input_281; [L68] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L69] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L70] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] SORT_2 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] SORT_2 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] SORT_2 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] SORT_2 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] SORT_2 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] SORT_2 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] SORT_2 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] SORT_2 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] SORT_2 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] SORT_2 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] SORT_2 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] SORT_2 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] SORT_2 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] SORT_2 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] SORT_2 init_7_arg_1 = var_5; [L107] state_6 = init_7_arg_1 [L108] SORT_2 init_9_arg_1 = var_5; [L109] state_8 = init_9_arg_1 [L110] SORT_2 init_11_arg_1 = var_5; [L111] state_10 = init_11_arg_1 [L112] SORT_2 init_13_arg_1 = var_5; [L113] state_12 = init_13_arg_1 [L114] SORT_2 init_15_arg_1 = var_5; [L115] state_14 = init_15_arg_1 [L116] SORT_2 init_17_arg_1 = var_5; [L117] state_16 = init_17_arg_1 [L118] SORT_2 init_19_arg_1 = var_5; [L119] state_18 = init_19_arg_1 [L120] SORT_2 init_21_arg_1 = var_5; [L121] state_20 = init_21_arg_1 [L122] SORT_2 init_23_arg_1 = var_5; [L123] state_22 = init_23_arg_1 [L124] SORT_2 init_25_arg_1 = var_5; [L125] state_24 = init_25_arg_1 [L126] SORT_2 init_27_arg_1 = var_5; [L127] state_26 = init_27_arg_1 [L128] SORT_2 init_29_arg_1 = var_5; [L129] state_28 = init_29_arg_1 [L130] SORT_2 init_31_arg_1 = var_5; [L131] state_30 = init_31_arg_1 [L132] SORT_2 init_33_arg_1 = var_5; [L133] state_32 = init_33_arg_1 [L134] SORT_2 init_35_arg_1 = var_5; [L135] state_34 = init_35_arg_1 [L136] SORT_2 init_37_arg_1 = var_5; [L137] state_36 = init_37_arg_1 [L138] SORT_2 init_39_arg_1 = var_5; [L139] state_38 = init_39_arg_1 [L140] SORT_2 init_41_arg_1 = var_5; [L141] state_40 = init_41_arg_1 [L142] SORT_2 init_43_arg_1 = var_5; [L143] state_42 = init_43_arg_1 [L144] SORT_2 init_45_arg_1 = var_5; [L145] state_44 = init_45_arg_1 [L146] SORT_2 init_47_arg_1 = var_5; [L147] state_46 = init_47_arg_1 [L148] SORT_2 init_49_arg_1 = var_5; [L149] state_48 = init_49_arg_1 [L150] SORT_2 init_51_arg_1 = var_5; [L151] state_50 = init_51_arg_1 [L152] SORT_2 init_53_arg_1 = var_5; [L153] state_52 = init_53_arg_1 [L154] SORT_2 init_55_arg_1 = var_5; [L155] state_54 = init_55_arg_1 [L156] SORT_2 init_57_arg_1 = var_5; [L157] state_56 = init_57_arg_1 [L158] SORT_2 init_59_arg_1 = var_5; [L159] state_58 = init_59_arg_1 [L160] SORT_2 init_61_arg_1 = var_5; [L161] state_60 = init_61_arg_1 [L162] SORT_2 init_63_arg_1 = var_5; [L163] state_62 = init_63_arg_1 [L164] SORT_2 init_65_arg_1 = var_5; [L165] state_64 = init_65_arg_1 [L166] SORT_1 init_68_arg_1 = var_66; [L167] state_67 = init_68_arg_1 [L168] SORT_1 init_70_arg_1 = var_66; [L169] state_69 = init_70_arg_1 [L170] SORT_1 init_72_arg_1 = var_66; [L171] state_71 = init_72_arg_1 [L172] SORT_1 init_74_arg_1 = var_66; [L173] state_73 = init_74_arg_1 [L174] SORT_1 init_76_arg_1 = var_66; [L175] state_75 = init_76_arg_1 [L176] SORT_1 init_78_arg_1 = var_66; [L177] state_77 = init_78_arg_1 [L178] SORT_1 init_80_arg_1 = var_66; [L179] state_79 = init_80_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_6=0, state_60=0, state_62=0, state_64=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_102=2, var_104=3, var_106=4, var_108=5, var_110=6, var_112=7, var_171=7, var_172=2, var_186=6, var_187=3, var_201=5, var_202=4, var_258=8, var_5=0, var_66=0, var_81=8, var_82=1, var_87=100, var_88=0, var_89=9, var_94=0, var_95=0, var_97=1] [L182] input_92 = __VERIFIER_nondet_uchar() [L183] input_92 = input_92 & mask_SORT_1 [L184] input_122 = __VERIFIER_nondet_uchar() [L185] input_122 = input_122 & mask_SORT_1 [L186] input_147 = __VERIFIER_nondet_uchar() [L187] input_147 = input_147 & mask_SORT_1 [L188] input_149 = __VERIFIER_nondet_uchar() [L189] input_149 = input_149 & mask_SORT_1 [L190] input_279 = __VERIFIER_nondet_uchar() [L191] input_279 = input_279 & mask_SORT_1 [L192] input_281 = __VERIFIER_nondet_uchar() [L193] input_281 = input_281 & mask_SORT_1 [L196] SORT_2 var_83_arg_0 = var_82; [L197] SORT_2 var_83_arg_1 = state_64; [L198] SORT_2 var_83 = var_83_arg_0 ^ var_83_arg_1; [L199] var_83 = var_83 & mask_SORT_2 [L200] SORT_2 var_84_arg_0 = var_81; [L201] SORT_2 var_84_arg_1 = var_83; [L202] SORT_1 var_84 = var_84_arg_0 == var_84_arg_1; [L203] SORT_1 var_85_arg_0 = var_84; [L204] SORT_1 var_85_arg_1 = ~state_79; [L205] var_85_arg_1 = var_85_arg_1 & mask_SORT_1 [L206] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L207] var_85 = var_85 & mask_SORT_1 [L208] SORT_1 bad_86_arg_0 = var_85; [L209] CALL __VERIFIER_assert(!(bad_86_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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 18:32:50,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 356d4a12962a540140ebba68874ce6eceea0c4ac73970f06eb56d210b432d6ba --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:32:52,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:32:52,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:32:52,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:32:52,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:32:52,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:32:52,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:32:52,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:32:52,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:32:52,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:32:52,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:32:52,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:32:52,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:32:52,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:32:52,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:32:52,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:32:52,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:32:52,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:32:52,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:32:52,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:32:52,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:32:52,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:32:52,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:32:52,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:32:52,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:32:52,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:32:52,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:32:52,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:32:52,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:32:52,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:32:52,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:32:52,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:32:52,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:32:52,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:32:52,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:32:52,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:32:52,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:32:52,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:32:52,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:32:52,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:32:52,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:32:52,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 18:32:52,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:32:52,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:32:52,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:32:52,893 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:32:52,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:32:52,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:32:52,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:32:52,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:32:52,896 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:32:52,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:32:52,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:32:52,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:32:52,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:32:52,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:32:52,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:32:52,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:32:52,899 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:32:52,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:32:52,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:32:52,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:32:52,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:32:52,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:32:52,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:32:52,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:32:52,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:32:52,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:32:52,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:32:52,902 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:32:52,903 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:32:52,903 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:32:52,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:32:52,903 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:32:52,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:32:52,904 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 18:32:52,904 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_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 356d4a12962a540140ebba68874ce6eceea0c4ac73970f06eb56d210b432d6ba [2022-11-25 18:32:53,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:32:53,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:32:53,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:32:53,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:32:53,356 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:32:53,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.1.prop1-func-interl.c [2022-11-25 18:32:56,423 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:32:56,832 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:32:56,836 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.1.prop1-func-interl.c [2022-11-25 18:32:56,856 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/data/1e91b66c0/7ebffb79832c4d5ba1c8fda7b686ce88/FLAG9b5597153 [2022-11-25 18:32:56,879 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/data/1e91b66c0/7ebffb79832c4d5ba1c8fda7b686ce88 [2022-11-25 18:32:56,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:32:56,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:32:56,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:32:56,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:32:56,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:32:56,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:56" (1/1) ... [2022-11-25 18:32:56,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28eb3de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:56, skipping insertion in model container [2022-11-25 18:32:56,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:56" (1/1) ... [2022-11-25 18:32:56,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:32:56,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:32:57,162 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_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.1.prop1-func-interl.c[1014,1027] [2022-11-25 18:32:57,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:32:57,564 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:32:57,574 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_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.1.prop1-func-interl.c[1014,1027] [2022-11-25 18:32:57,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:32:57,748 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:32:57,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57 WrapperNode [2022-11-25 18:32:57,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:32:57,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:32:57,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:32:57,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:32:57,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,947 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1776 [2022-11-25 18:32:57,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:32:57,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:32:57,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:32:57,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:32:57,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:57,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:58,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:58,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:58,110 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:58,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:58,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:32:58,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:32:58,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:32:58,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:32:58,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (1/1) ... [2022-11-25 18:32:58,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:32:58,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:32:58,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:32:58,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:32:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:32:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:32:58,713 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:32:58,715 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:33:01,760 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:33:01,767 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:33:01,768 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 18:33:01,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:33:01 BoogieIcfgContainer [2022-11-25 18:33:01,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:33:01,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:33:01,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:33:01,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:33:01,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:32:56" (1/3) ... [2022-11-25 18:33:01,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4240d07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:33:01, skipping insertion in model container [2022-11-25 18:33:01,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:57" (2/3) ... [2022-11-25 18:33:01,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4240d07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:33:01, skipping insertion in model container [2022-11-25 18:33:01,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:33:01" (3/3) ... [2022-11-25 18:33:01,779 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.hanoi.1.prop1-func-interl.c [2022-11-25 18:33:01,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:33:01,801 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:33:01,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:33:01,859 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;@71e1b36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:33:01,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:33:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 18:33:01,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:01,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 18:33:01,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:01,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:01,878 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 18:33:01,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:33:01,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128160763] [2022-11-25 18:33:01,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:01,894 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:33:01,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:33:01,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:33:01,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 18:33:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:02,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-25 18:33:02,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:33:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:02,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:33:02,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:33:02,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128160763] [2022-11-25 18:33:02,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128160763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:02,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:02,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:33:02,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254914039] [2022-11-25 18:33:02,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:02,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:33:02,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:33:02,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:33:02,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:33:02,652 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:03,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:03,229 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 18:33:03,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:33:03,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-25 18:33:03,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:03,239 INFO L225 Difference]: With dead ends: 20 [2022-11-25 18:33:03,239 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 18:33:03,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:33:03,246 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:03,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 18:33:03,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 18:33:03,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 18:33:03,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 18:33:03,281 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 18:33:03,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:03,282 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 18:33:03,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:03,283 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 18:33:03,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 18:33:03,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:03,283 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:03,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:33:03,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:33:03,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:03,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:03,497 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 18:33:03,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:33:03,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044051067] [2022-11-25 18:33:03,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:03,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:33:03,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:33:03,502 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:33:03,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 18:33:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:04,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 1547 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-25 18:33:04,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:33:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:05,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:33:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:33:06,236 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:33:06,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2044051067] [2022-11-25 18:33:06,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2044051067] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:33:06,236 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:33:06,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-25 18:33:06,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849628502] [2022-11-25 18:33:06,237 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:33:06,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 18:33:06,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:33:06,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 18:33:06,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:33:06,241 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:07,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:07,220 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-25 18:33:07,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:33:07,222 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 18:33:07,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:07,223 INFO L225 Difference]: With dead ends: 16 [2022-11-25 18:33:07,223 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 18:33:07,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:33:07,225 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 18 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:07,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 21 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:33:07,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 18:33:07,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-25 18:33:07,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:07,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-25 18:33:07,231 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-25 18:33:07,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:07,232 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-25 18:33:07,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:33:07,232 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-25 18:33:07,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 18:33:07,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:07,233 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 18:33:07,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:33:07,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:33:07,434 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:07,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:07,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-25 18:33:07,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:33:07,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017788093] [2022-11-25 18:33:07,440 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:33:07,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:33:07,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:33:07,444 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:33:07,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62ee824d-51c6-4343-9756-7f6e2e5cc1fb/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 18:33:08,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:33:08,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:33:08,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 2966 conjuncts, 249 conjunts are in the unsatisfiable core [2022-11-25 18:33:08,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:35:11,891 WARN L233 SmtUtils]: Spent 1.97m on a formula simplification. DAG size of input: 217 DAG size of output: 201 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:36:48,575 WARN L233 SmtUtils]: Spent 1.52m on a formula simplification. DAG size of input: 225 DAG size of output: 207 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:39:06,175 WARN L233 SmtUtils]: Spent 2.26m on a formula simplification. DAG size of input: 406 DAG size of output: 256 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:39:06,538 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:39:06,539 INFO L328 TraceCheckSpWp]: Computing backward predicates...