./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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 cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:00:38,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:00:38,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:00:38,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:00:38,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:00:38,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:00:38,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:00:38,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:00:38,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:00:38,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:00:38,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:00:38,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:00:38,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:00:38,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:00:38,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:00:38,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:00:38,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:00:38,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:00:38,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:00:38,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:00:38,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:00:38,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:00:38,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:00:38,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:00:38,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:00:38,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:00:38,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:00:38,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:00:38,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:00:38,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:00:38,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:00:38,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:00:38,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:00:38,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:00:38,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:00:38,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:00:38,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:00:38,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:00:38,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:00:38,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:00:38,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:00:38,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:00:38,673 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:00:38,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:00:38,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:00:38,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:00:38,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:00:38,676 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:00:38,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:00:38,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:00:38,677 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:00:38,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:00:38,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:00:38,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:00:38,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:00:38,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:00:38,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:00:38,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:00:38,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:00:38,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:00:38,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:00:38,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:00:38,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:00:38,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:00:38,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:00:38,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:00:38,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:00:38,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:00:38,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:00:38,682 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:00:38,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:00:38,683 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:00:38,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:00:38,683 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_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b [2022-11-25 17:00:38,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:00:39,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:00:39,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:00:39,027 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:00:39,029 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:00:39,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-25 17:00:42,153 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:00:42,483 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:00:42,484 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-25 17:00:42,497 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/data/320146322/cdcbf157f4af4f1bba7bca6f55ec1858/FLAG583818064 [2022-11-25 17:00:42,523 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/data/320146322/cdcbf157f4af4f1bba7bca6f55ec1858 [2022-11-25 17:00:42,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:00:42,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:00:42,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:00:42,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:00:42,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:00:42,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:00:42" (1/1) ... [2022-11-25 17:00:42,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d308ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:42, skipping insertion in model container [2022-11-25 17:00:42,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:00:42" (1/1) ... [2022-11-25 17:00:42,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:00:42,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:00:42,826 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_ecbeaa0d-e71e-4980-b583-09d99ea491e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-25 17:00:42,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:00:42,961 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:00:42,972 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_ecbeaa0d-e71e-4980-b583-09d99ea491e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-25 17:00:43,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:00:43,113 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:00:43,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43 WrapperNode [2022-11-25 17:00:43,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:00:43,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:00:43,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:00:43,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:00:43,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43" (1/1) ... [2022-11-25 17:00:43,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43" (1/1) ... [2022-11-25 17:00:43,196 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 509 [2022-11-25 17:00:43,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:00:43,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:00:43,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:00:43,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:00:43,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43" (1/1) ... [2022-11-25 17:00:43,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43" (1/1) ... [2022-11-25 17:00:43,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43" (1/1) ... [2022-11-25 17:00:43,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43" (1/1) ... [2022-11-25 17:00:43,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43" (1/1) ... [2022-11-25 17:00:43,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43" (1/1) ... [2022-11-25 17:00:43,275 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43" (1/1) ... [2022-11-25 17:00:43,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43" (1/1) ... [2022-11-25 17:00:43,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:00:43,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:00:43,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:00:43,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:00:43,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43" (1/1) ... [2022-11-25 17:00:43,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:00:43,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:00:43,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:00:43,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:00:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:00:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:00:43,672 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:00:43,674 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:00:51,152 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:00:51,159 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:00:51,159 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:00:51,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:51 BoogieIcfgContainer [2022-11-25 17:00:51,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:00:51,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:00:51,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:00:51,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:00:51,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:00:42" (1/3) ... [2022-11-25 17:00:51,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8040cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:00:51, skipping insertion in model container [2022-11-25 17:00:51,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:43" (2/3) ... [2022-11-25 17:00:51,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8040cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:00:51, skipping insertion in model container [2022-11-25 17:00:51,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:51" (3/3) ... [2022-11-25 17:00:51,171 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Ibuf.c [2022-11-25 17:00:51,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:00:51,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:00:51,247 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:00:51,255 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;@7df594fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:00:51,255 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:00:51,259 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 17:00:51,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 17:00:51,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:00:51,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 17:00:51,267 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:00:51,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:00:51,275 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 17:00:51,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:00:51,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877859061] [2022-11-25 17:00:51,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:00:51,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:00:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:00:51,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:00:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:00:51,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:00:51,630 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:00:51,638 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:00:51,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:00:51,646 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 17:00:51,651 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:00:51,674 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 17:00:51,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:00:51 BoogieIcfgContainer [2022-11-25 17:00:51,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:00:51,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:00:51,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:00:51,682 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:00:51,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:51" (3/4) ... [2022-11-25 17:00:51,685 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:00:51,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:00:51,687 INFO L158 Benchmark]: Toolchain (without parser) took 9156.21ms. Allocated memory was 169.9MB in the beginning and 371.2MB in the end (delta: 201.3MB). Free memory was 136.0MB in the beginning and 319.8MB in the end (delta: -183.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-25 17:00:51,687 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory was 60.3MB in the beginning and 60.2MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:00:51,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.80ms. Allocated memory is still 169.9MB. Free memory was 135.2MB in the beginning and 112.2MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 17:00:51,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.90ms. Allocated memory is still 169.9MB. Free memory was 112.2MB in the beginning and 105.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 17:00:51,689 INFO L158 Benchmark]: Boogie Preprocessor took 109.55ms. Allocated memory is still 169.9MB. Free memory was 105.9MB in the beginning and 102.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:00:51,690 INFO L158 Benchmark]: RCFGBuilder took 7854.39ms. Allocated memory was 169.9MB in the beginning and 371.2MB in the end (delta: 201.3MB). Free memory was 102.6MB in the beginning and 127.8MB in the end (delta: -25.2MB). Peak memory consumption was 198.4MB. Max. memory is 16.1GB. [2022-11-25 17:00:51,691 INFO L158 Benchmark]: TraceAbstraction took 516.97ms. Allocated memory is still 371.2MB. Free memory was 126.8MB in the beginning and 319.8MB in the end (delta: -193.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:00:51,691 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 371.2MB. Free memory was 319.8MB in the beginning and 319.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:00:51,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory was 60.3MB in the beginning and 60.2MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.80ms. Allocated memory is still 169.9MB. Free memory was 135.2MB in the beginning and 112.2MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.90ms. Allocated memory is still 169.9MB. Free memory was 112.2MB in the beginning and 105.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.55ms. Allocated memory is still 169.9MB. Free memory was 105.9MB in the beginning and 102.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 7854.39ms. Allocated memory was 169.9MB in the beginning and 371.2MB in the end (delta: 201.3MB). Free memory was 102.6MB in the beginning and 127.8MB in the end (delta: -25.2MB). Peak memory consumption was 198.4MB. Max. memory is 16.1GB. * TraceAbstraction took 516.97ms. Allocated memory is still 371.2MB. Free memory was 126.8MB in the beginning and 319.8MB in the end (delta: -193.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 371.2MB. Free memory was 319.8MB in the beginning and 319.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 65, overapproximation of bitwiseOr at line 68, overapproximation of bitwiseAnd at line 75. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L34] const SORT_5 var_9 = 0; [L35] const SORT_1 var_26 = 1; [L36] const SORT_1 var_140 = 0; [L38] SORT_1 input_2; [L39] SORT_3 input_4; [L40] SORT_5 input_6; [L41] SORT_3 input_7; [L42] SORT_5 input_8; [L44] SORT_5 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L45] SORT_5 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L47] SORT_5 init_11_arg_1 = var_9; [L48] state_10 = init_11_arg_1 [L49] SORT_5 init_14_arg_1 = var_9; [L50] state_13 = init_14_arg_1 VAL [init_11_arg_1=0, init_14_arg_1=0, mask_SORT_1=1, mask_SORT_3=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_3=2, msb_SORT_5=4, state_10=0, state_13=0, var_140=0, var_26=1, var_9=0] [L53] input_2 = __VERIFIER_nondet_uchar() [L54] input_4 = __VERIFIER_nondet_uchar() [L55] input_6 = __VERIFIER_nondet_uchar() [L56] input_7 = __VERIFIER_nondet_uchar() [L57] input_8 = __VERIFIER_nondet_uchar() [L60] SORT_5 var_12_arg_0 = state_10; [L61] SORT_1 var_12 = var_12_arg_0 >> 0; [L62] SORT_5 var_15_arg_0 = state_13; [L63] SORT_1 var_15 = var_15_arg_0 >> 0; [L64] SORT_1 var_16_arg_0 = var_15; [L65] SORT_1 var_16 = ~var_16_arg_0; [L66] SORT_1 var_17_arg_0 = var_12; [L67] SORT_1 var_17_arg_1 = var_16; [L68] SORT_1 var_17 = var_17_arg_0 | var_17_arg_1; [L69] SORT_5 var_18_arg_0 = state_10; [L70] SORT_1 var_18 = var_18_arg_0 >> 1; [L71] SORT_1 var_19_arg_0 = var_18; [L72] SORT_1 var_19 = ~var_19_arg_0; [L73] SORT_1 var_20_arg_0 = var_12; [L74] SORT_1 var_20_arg_1 = var_19; [L75] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L76] SORT_1 var_21_arg_0 = var_20; [L77] SORT_1 var_21 = ~var_21_arg_0; [L78] SORT_1 var_22_arg_0 = var_21; [L79] SORT_1 var_22_arg_1 = var_15; [L80] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L81] SORT_1 var_23_arg_0 = var_17; [L82] SORT_1 var_23_arg_1 = var_22; [L83] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L84] SORT_1 var_27_arg_0 = var_23; [L85] SORT_1 var_27 = ~var_27_arg_0; [L86] SORT_1 var_28_arg_0 = var_26; [L87] SORT_1 var_28_arg_1 = var_27; [L88] SORT_1 var_28 = var_28_arg_0 & var_28_arg_1; [L89] var_28 = var_28 & mask_SORT_1 [L90] SORT_1 bad_29_arg_0 = var_28; [L91] CALL __VERIFIER_assert(!(bad_29_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:00:51,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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 cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:00:54,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:00:54,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:00:54,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:00:54,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:00:54,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:00:54,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:00:54,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:00:54,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:00:54,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:00:54,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:00:54,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:00:54,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:00:54,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:00:54,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:00:54,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:00:54,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:00:54,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:00:54,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:00:54,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:00:54,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:00:54,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:00:54,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:00:54,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:00:54,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:00:54,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:00:54,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:00:54,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:00:54,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:00:54,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:00:54,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:00:54,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:00:54,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:00:54,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:00:54,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:00:54,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:00:54,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:00:54,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:00:54,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:00:54,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:00:54,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:00:54,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 17:00:54,461 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:00:54,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:00:54,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:00:54,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:00:54,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:00:54,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:00:54,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:00:54,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:00:54,466 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:00:54,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:00:54,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:00:54,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:00:54,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:00:54,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:00:54,468 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:00:54,468 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:00:54,468 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:00:54,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:00:54,469 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:00:54,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:00:54,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:00:54,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:00:54,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:00:54,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:00:54,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:00:54,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:00:54,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:00:54,471 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:00:54,471 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:00:54,471 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:00:54,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:00:54,472 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:00:54,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:00:54,472 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:00:54,472 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_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b [2022-11-25 17:00:54,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:00:54,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:00:54,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:00:54,906 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:00:54,907 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:00:54,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-25 17:00:58,145 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:00:58,421 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:00:58,422 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-25 17:00:58,433 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/data/7413f7dee/3fdf9ad3c3b34751b40cfaa9d57f914b/FLAG79449f00b [2022-11-25 17:00:58,731 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/data/7413f7dee/3fdf9ad3c3b34751b40cfaa9d57f914b [2022-11-25 17:00:58,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:00:58,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:00:58,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:00:58,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:00:58,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:00:58,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:00:58" (1/1) ... [2022-11-25 17:00:58,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d8ff88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:58, skipping insertion in model container [2022-11-25 17:00:58,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:00:58" (1/1) ... [2022-11-25 17:00:58,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:00:58,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:00:59,005 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_ecbeaa0d-e71e-4980-b583-09d99ea491e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-25 17:00:59,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:00:59,218 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:00:59,235 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_ecbeaa0d-e71e-4980-b583-09d99ea491e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-25 17:00:59,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:00:59,359 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:00:59,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59 WrapperNode [2022-11-25 17:00:59,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:00:59,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:00:59,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:00:59,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:00:59,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59" (1/1) ... [2022-11-25 17:00:59,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59" (1/1) ... [2022-11-25 17:00:59,434 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 509 [2022-11-25 17:00:59,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:00:59,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:00:59,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:00:59,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:00:59,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59" (1/1) ... [2022-11-25 17:00:59,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59" (1/1) ... [2022-11-25 17:00:59,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59" (1/1) ... [2022-11-25 17:00:59,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59" (1/1) ... [2022-11-25 17:00:59,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59" (1/1) ... [2022-11-25 17:00:59,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59" (1/1) ... [2022-11-25 17:00:59,471 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59" (1/1) ... [2022-11-25 17:00:59,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59" (1/1) ... [2022-11-25 17:00:59,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:00:59,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:00:59,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:00:59,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:00:59,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59" (1/1) ... [2022-11-25 17:00:59,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:00:59,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:00:59,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:00:59,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:00:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:00:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:00:59,759 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:00:59,762 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:01:00,513 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:01:00,520 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:01:00,522 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:01:00,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:00 BoogieIcfgContainer [2022-11-25 17:01:00,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:01:00,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:01:00,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:01:00,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:01:00,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:00:58" (1/3) ... [2022-11-25 17:01:00,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a84b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:01:00, skipping insertion in model container [2022-11-25 17:01:00,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:59" (2/3) ... [2022-11-25 17:01:00,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a84b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:01:00, skipping insertion in model container [2022-11-25 17:01:00,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:00" (3/3) ... [2022-11-25 17:01:00,540 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Ibuf.c [2022-11-25 17:01:00,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:01:00,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:01:00,624 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:01:00,631 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;@1153c67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:01:00,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:01:00,636 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 17:01:00,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 17:01:00,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:00,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 17:01:00,644 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:01:00,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:00,651 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 17:01:00,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:01:00,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239320716] [2022-11-25 17:01:00,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:00,666 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 17:01:00,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:01:00,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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 17:01:00,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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 17:01:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:00,868 WARN L261 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-25 17:01:00,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:01:01,090 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 17:01:01,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:01:01,091 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:01:01,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239320716] [2022-11-25 17:01:01,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [239320716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:01:01,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:01:01,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:01:01,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562973491] [2022-11-25 17:01:01,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:01:01,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:01:01,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:01:01,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:01:01,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:01:01,143 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 17:01:01,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:01,249 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 17:01:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:01:01,254 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 17:01:01,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:01,261 INFO L225 Difference]: With dead ends: 20 [2022-11-25 17:01:01,262 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 17:01:01,265 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 17:01:01,269 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:01:01,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:01:01,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 17:01:01,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 17:01:01,299 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 17:01:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 17:01:01,301 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 17:01:01,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:01,302 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 17:01:01,303 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 17:01:01,303 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 17:01:01,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 17:01:01,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:01,304 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:01,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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)] Ended with exit code 0 [2022-11-25 17:01:01,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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 17:01:01,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:01:01,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:01,516 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 17:01:01,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:01:01,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119025931] [2022-11-25 17:01:01,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:01,528 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 17:01:01,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:01:01,530 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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 17:01:01,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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 17:01:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:01,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-25 17:01:01,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:01:02,251 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 17:01:02,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:01:05,821 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 17:01:05,821 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:01:05,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119025931] [2022-11-25 17:01:05,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119025931] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:01:05,822 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:01:05,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-25 17:01:05,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687371001] [2022-11-25 17:01:05,822 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:01:05,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 17:01:05,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:01:05,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 17:01:05,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=68, Unknown=1, NotChecked=0, Total=90 [2022-11-25 17:01:05,825 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 17:01:06,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:06,439 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-25 17:01:06,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:01:06,441 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 17:01:06,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:06,441 INFO L225 Difference]: With dead ends: 16 [2022-11-25 17:01:06,442 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 17:01:06,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=55, Invalid=126, Unknown=1, NotChecked=0, Total=182 [2022-11-25 17:01:06,443 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 22 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:01:06,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 21 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:01:06,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 17:01:06,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-25 17:01:06,455 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 17:01:06,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-25 17:01:06,458 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-25 17:01:06,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:06,460 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-25 17:01:06,460 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 17:01:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-25 17:01:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:01:06,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:06,463 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 17:01:06,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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 17:01:06,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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 17:01:06,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:01:06,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:06,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-25 17:01:06,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:01:06,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754146298] [2022-11-25 17:01:06,679 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:01:06,679 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 17:01:06,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:01:06,685 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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 17:01:06,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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 17:01:07,137 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:01:07,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:01:07,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 62 conjunts are in the unsatisfiable core [2022-11-25 17:01:07,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:01:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:01:07,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:01:07,760 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:01:07,761 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:01:07,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754146298] [2022-11-25 17:01:07,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1754146298] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:01:07,767 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:01:07,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 17:01:07,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415611193] [2022-11-25 17:01:07,768 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:01:07,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:01:07,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:01:07,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:01:07,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:01:07,770 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:01:07,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:07,922 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-25 17:01:07,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:01:07,924 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 17:01:07,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:07,924 INFO L225 Difference]: With dead ends: 12 [2022-11-25 17:01:07,924 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:01:07,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:01:07,926 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:01:07,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 9 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:01:07,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:01:07,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:01:07,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:01:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:01:07,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-25 17:01:07,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:07,929 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:01:07,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:01:07,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:01:07,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:01:07,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:01:07,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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)] Forceful destruction successful, exit code 0 [2022-11-25 17:01:08,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/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 17:01:08,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:01:10,378 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:01:10,378 INFO L895 garLoopResultBuilder]: At program point L527(lines 22 528) the Hoare annotation is: false [2022-11-25 17:01:10,379 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:01:10,379 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:01:10,379 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:01:10,379 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-25 17:01:10,379 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-25 17:01:10,379 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-25 17:01:10,380 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-25 17:01:10,380 INFO L895 garLoopResultBuilder]: At program point L51-2(lines 51 526) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= |ULTIMATE.start_main_~mask_SORT_3~0#1| (_ bv3 8)))) (or (and .cse0 (= (_ bv0 8) |ULTIMATE.start_main_~state_10~0#1|) (= |ULTIMATE.start_main_~state_10~0#1| |ULTIMATE.start_main_~state_13~0#1|) .cse1) (and .cse0 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 (exists ((|ULTIMATE.start_main_~var_208_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_207_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_167_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_153_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_190_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_195_arg_0~0#1| (_ BitVec 8))) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_167_arg_0~0#1|)))) (.cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_153_arg_0~0#1|)))) (.cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (and (= ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv3 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse2 (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 .cse4))))))))) (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_190_arg_0~0#1|) (_ bv2 32)))) |ULTIMATE.start_main_~state_10~0#1|) (= ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv3 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_207_arg_0~0#1|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse2))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_195_arg_0~0#1|)))) .cse3))) .cse4))))))))) (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_208_arg_0~0#1|) (_ bv2 32)))) |ULTIMATE.start_main_~state_13~0#1|))))))) [2022-11-25 17:01:10,381 INFO L899 garLoopResultBuilder]: For program point L51-3(lines 51 526) no Hoare annotation was computed. [2022-11-25 17:01:10,385 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-25 17:01:10,387 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:01:10,400 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,403 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,404 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,404 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,404 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,405 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,405 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,405 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,416 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,416 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,417 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,417 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,417 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,418 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,418 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,418 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:01:10 BoogieIcfgContainer [2022-11-25 17:01:10,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:01:10,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:01:10,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:01:10,422 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:01:10,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:00" (3/4) ... [2022-11-25 17:01:10,427 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:01:10,453 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 17:01:10,454 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 17:01:10,455 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:01:10,488 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv8 == mask_SORT_1 && 0bv8 == state_10) && state_10 == state_13) && mask_SORT_3 == 3bv8) || (((1bv8 == mask_SORT_1 && cond == 1bv32) && mask_SORT_3 == 3bv8) && (\exists ULTIMATE.start_main_~var_208_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_207_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_167_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_153_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_190_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_195_arg_0~0#1 : bv8 :: ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_167_arg_0~0#1)[7:0]), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_190_arg_0~0#1), 2bv32))[7:0] == state_10 && ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_207_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_167_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~var_195_arg_0~0#1))[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_208_arg_0~0#1), 2bv32))[7:0] == state_13)) [2022-11-25 17:01:10,579 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:01:10,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:01:10,580 INFO L158 Benchmark]: Toolchain (without parser) took 11845.29ms. Allocated memory was 73.4MB in the beginning and 136.3MB in the end (delta: 62.9MB). Free memory was 48.2MB in the beginning and 70.0MB in the end (delta: -21.7MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-11-25 17:01:10,580 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:01:10,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.79ms. Allocated memory is still 73.4MB. Free memory was 48.1MB in the beginning and 46.2MB in the end (delta: 1.9MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-11-25 17:01:10,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.71ms. Allocated memory is still 73.4MB. Free memory was 46.2MB in the beginning and 41.8MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:01:10,581 INFO L158 Benchmark]: Boogie Preprocessor took 43.35ms. Allocated memory is still 73.4MB. Free memory was 41.8MB in the beginning and 38.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:01:10,582 INFO L158 Benchmark]: RCFGBuilder took 1047.66ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 38.6MB in the beginning and 48.1MB in the end (delta: -9.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 17:01:10,582 INFO L158 Benchmark]: TraceAbstraction took 9889.80ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 47.5MB in the beginning and 78.4MB in the end (delta: -30.8MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-11-25 17:01:10,583 INFO L158 Benchmark]: Witness Printer took 157.95ms. Allocated memory is still 136.3MB. Free memory was 78.4MB in the beginning and 70.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:01:10,585 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 73.4MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.79ms. Allocated memory is still 73.4MB. Free memory was 48.1MB in the beginning and 46.2MB in the end (delta: 1.9MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.71ms. Allocated memory is still 73.4MB. Free memory was 46.2MB in the beginning and 41.8MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.35ms. Allocated memory is still 73.4MB. Free memory was 41.8MB in the beginning and 38.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1047.66ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 38.6MB in the beginning and 48.1MB in the end (delta: -9.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9889.80ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 47.5MB in the beginning and 78.4MB in the end (delta: -30.8MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Witness Printer took 157.95ms. Allocated memory is still 136.3MB. Free memory was 78.4MB in the beginning and 70.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 11 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 100 HoareAnnotationTreeSize, 2 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 342 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 13 QuantifiedInterpolants, 2558 SizeOfPredicates, 187 NumberOfNonLiveVariables, 1518 ConjunctsInSsa, 169 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 6/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant [2022-11-25 17:01:10,595 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,595 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,595 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,596 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,596 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,596 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,596 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,597 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,598 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,598 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,598 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,598 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,599 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,599 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,599 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-25 17:01:10,600 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] Derived loop invariant: (((1bv8 == mask_SORT_1 && 0bv8 == state_10) && state_10 == state_13) && mask_SORT_3 == 3bv8) || (((1bv8 == mask_SORT_1 && cond == 1bv32) && mask_SORT_3 == 3bv8) && (\exists ULTIMATE.start_main_~var_208_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_207_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_167_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_153_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_190_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_195_arg_0~0#1 : bv8 :: ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_167_arg_0~0#1)[7:0]), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_190_arg_0~0#1), 2bv32))[7:0] == state_10 && ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_207_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_167_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~var_195_arg_0~0#1))[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_208_arg_0~0#1), 2bv32))[7:0] == state_13)) RESULT: Ultimate proved your program to be correct! [2022-11-25 17:01:10,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbeaa0d-e71e-4980-b583-09d99ea491e5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE