./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:21,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:21,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:58:21,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:21,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:21,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:21,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:21,746 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:21,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:58:21,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:58:21,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:21,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:21,755 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:21,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:21,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:58:21,759 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:58:21,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:58:21,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:58:21,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:21,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:58:21,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:58:21,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:58:21,763 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:58:21,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:21,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:21,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:21,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:21,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:58:21,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:21,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:21,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:58:21,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:58:21,770 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:58:21,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:58:21,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:58:21,771 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:58:21,771 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:58:21,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:58:21,771 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:58:21,772 INFO L153 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_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2023-11-19 07:58:22,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:22,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:22,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:22,197 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:22,198 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:22,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-11-19 07:58:25,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:58:25,926 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:58:25,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-11-19 07:58:25,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/data/bb9085c63/d7604cd3dfc94cbdbfbb852038817451/FLAGa3bdf69c9 [2023-11-19 07:58:25,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/data/bb9085c63/d7604cd3dfc94cbdbfbb852038817451 [2023-11-19 07:58:25,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:58:25,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:58:25,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:25,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:58:25,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:58:25,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:25,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201a2626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:25, skipping insertion in model container [2023-11-19 07:58:25,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:25" (1/1) ... [2023-11-19 07:58:26,019 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:58:26,343 WARN L240 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_ec020617-1c82-432b-bc2f-b6650a570f40/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-11-19 07:58:26,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:26,382 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:58:26,453 WARN L240 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_ec020617-1c82-432b-bc2f-b6650a570f40/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-11-19 07:58:26,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:26,477 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:58:26,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26 WrapperNode [2023-11-19 07:58:26,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:26,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:26,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:58:26,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:58:26,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26" (1/1) ... [2023-11-19 07:58:26,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26" (1/1) ... [2023-11-19 07:58:26,596 INFO L138 Inliner]: procedures = 20, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 333 [2023-11-19 07:58:26,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:26,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:58:26,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:58:26,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:58:26,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26" (1/1) ... [2023-11-19 07:58:26,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26" (1/1) ... [2023-11-19 07:58:26,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26" (1/1) ... [2023-11-19 07:58:26,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26" (1/1) ... [2023-11-19 07:58:26,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26" (1/1) ... [2023-11-19 07:58:26,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26" (1/1) ... [2023-11-19 07:58:26,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26" (1/1) ... [2023-11-19 07:58:26,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26" (1/1) ... [2023-11-19 07:58:26,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:58:26,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:58:26,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:58:26,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:58:26,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26" (1/1) ... [2023-11-19 07:58:26,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:26,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:26,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:26,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:58:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:58:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:58:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:58:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 07:58:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:58:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 07:58:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:58:26,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:58:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 07:58:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:58:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:58:26,995 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:58:26,999 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:58:27,685 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:58:27,695 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:58:27,706 INFO L302 CfgBuilder]: Removed 24 assume(true) statements. [2023-11-19 07:58:27,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:27 BoogieIcfgContainer [2023-11-19 07:58:27,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:58:27,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:58:27,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:58:27,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:58:27,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:58:25" (1/3) ... [2023-11-19 07:58:27,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269cf813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:27, skipping insertion in model container [2023-11-19 07:58:27,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:26" (2/3) ... [2023-11-19 07:58:27,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269cf813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:27, skipping insertion in model container [2023-11-19 07:58:27,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:27" (3/3) ... [2023-11-19 07:58:27,732 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2023-11-19 07:58:27,759 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:58:27,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:58:27,840 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:58:27,849 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=LoopHeads, 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;@15be6428, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:58:27,849 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:58:27,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 74 states have (on average 1.6891891891891893) internal successors, (125), 75 states have internal predecessors, (125), 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) [2023-11-19 07:58:27,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 07:58:27,873 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:27,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:27,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:27,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:27,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1997667430, now seen corresponding path program 1 times [2023-11-19 07:58:27,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:27,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486587009] [2023-11-19 07:58:27,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:27,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:28,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:28,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486587009] [2023-11-19 07:58:28,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486587009] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:28,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:28,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:58:28,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573712254] [2023-11-19 07:58:28,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:28,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:58:28,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:28,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:58:28,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:58:28,328 INFO L87 Difference]: Start difference. First operand has 76 states, 74 states have (on average 1.6891891891891893) internal successors, (125), 75 states have internal predecessors, (125), 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 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:28,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:28,377 INFO L93 Difference]: Finished difference Result 150 states and 248 transitions. [2023-11-19 07:58:28,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:58:28,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-19 07:58:28,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:28,394 INFO L225 Difference]: With dead ends: 150 [2023-11-19 07:58:28,394 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 07:58:28,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:58:28,404 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:28,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:58:28,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 07:58:28,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-19 07:58:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 72 states have internal predecessors, (97), 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) [2023-11-19 07:58:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 97 transitions. [2023-11-19 07:58:28,452 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 97 transitions. Word has length 20 [2023-11-19 07:58:28,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:28,453 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 97 transitions. [2023-11-19 07:58:28,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:28,454 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-11-19 07:58:28,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:58:28,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:28,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:28,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:58:28,458 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:28,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:28,460 INFO L85 PathProgramCache]: Analyzing trace with hash 450168962, now seen corresponding path program 1 times [2023-11-19 07:58:28,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:28,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620194647] [2023-11-19 07:58:28,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:28,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:28,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:28,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620194647] [2023-11-19 07:58:28,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620194647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:28,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:28,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:28,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026155168] [2023-11-19 07:58:28,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:28,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:58:28,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:28,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:58:28,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:28,727 INFO L87 Difference]: Start difference. First operand 73 states and 97 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-19 07:58:28,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:28,781 INFO L93 Difference]: Finished difference Result 76 states and 99 transitions. [2023-11-19 07:58:28,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:58:28,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 23 [2023-11-19 07:58:28,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:28,786 INFO L225 Difference]: With dead ends: 76 [2023-11-19 07:58:28,786 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 07:58:28,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:28,789 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:28,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:58:28,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 07:58:28,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-19 07:58:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 72 states have internal predecessors, (96), 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) [2023-11-19 07:58:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 96 transitions. [2023-11-19 07:58:28,803 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 96 transitions. Word has length 23 [2023-11-19 07:58:28,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:28,804 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 96 transitions. [2023-11-19 07:58:28,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-19 07:58:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-19 07:58:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 07:58:28,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:28,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:28,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:58:28,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:28,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:28,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1201724212, now seen corresponding path program 1 times [2023-11-19 07:58:28,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:28,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614653211] [2023-11-19 07:58:28,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:28,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:29,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:29,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614653211] [2023-11-19 07:58:29,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614653211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:29,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:29,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:58:29,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078103274] [2023-11-19 07:58:29,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:29,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:58:29,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:29,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:58:29,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:29,386 INFO L87 Difference]: Start difference. First operand 73 states and 96 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2023-11-19 07:58:29,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:29,480 INFO L93 Difference]: Finished difference Result 90 states and 115 transitions. [2023-11-19 07:58:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:58:29,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2023-11-19 07:58:29,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:29,482 INFO L225 Difference]: With dead ends: 90 [2023-11-19 07:58:29,483 INFO L226 Difference]: Without dead ends: 78 [2023-11-19 07:58:29,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:29,485 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 3 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:29,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 264 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:58:29,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-19 07:58:29,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2023-11-19 07:58:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.32) internal successors, (99), 75 states have internal predecessors, (99), 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) [2023-11-19 07:58:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 99 transitions. [2023-11-19 07:58:29,507 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 99 transitions. Word has length 25 [2023-11-19 07:58:29,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:29,508 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 99 transitions. [2023-11-19 07:58:29,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2023-11-19 07:58:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2023-11-19 07:58:29,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 07:58:29,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:29,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:29,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:58:29,516 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:29,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:29,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1011229780, now seen corresponding path program 1 times [2023-11-19 07:58:29,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:29,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931149254] [2023-11-19 07:58:29,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:29,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:30,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:30,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:30,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931149254] [2023-11-19 07:58:30,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931149254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:30,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:30,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:58:30,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521139421] [2023-11-19 07:58:30,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:30,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:58:30,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:30,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:58:30,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:58:30,713 INFO L87 Difference]: Start difference. First operand 76 states and 99 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2023-11-19 07:58:30,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:30,900 INFO L93 Difference]: Finished difference Result 88 states and 111 transitions. [2023-11-19 07:58:30,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:58:30,901 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 26 [2023-11-19 07:58:30,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:30,902 INFO L225 Difference]: With dead ends: 88 [2023-11-19 07:58:30,903 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 07:58:30,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:58:30,905 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 3 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:30,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 526 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:58:30,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 07:58:30,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-19 07:58:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 72 states have internal predecessors, (95), 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) [2023-11-19 07:58:30,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2023-11-19 07:58:30,922 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 26 [2023-11-19 07:58:30,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:30,923 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2023-11-19 07:58:30,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2023-11-19 07:58:30,924 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2023-11-19 07:58:30,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 07:58:30,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:30,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:30,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:58:30,927 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:30,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:30,928 INFO L85 PathProgramCache]: Analyzing trace with hash -664051652, now seen corresponding path program 1 times [2023-11-19 07:58:30,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:30,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244827003] [2023-11-19 07:58:30,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:30,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:30,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:31,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:31,065 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:58:31,066 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:58:31,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:58:31,073 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 07:58:31,077 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:58:31,125 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-19 07:58:31,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-19 07:58:31,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated [2023-11-19 07:58:31,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-19 07:58:31,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-19 07:58:31,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-19 07:58:31,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-19 07:58:31,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-19 07:58:31,128 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated [2023-11-19 07:58:31,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-19 07:58:31,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:58:31 BoogieIcfgContainer [2023-11-19 07:58:31,152 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:58:31,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:58:31,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:58:31,155 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:58:31,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:27" (3/4) ... [2023-11-19 07:58:31,159 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:58:31,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:58:31,162 INFO L158 Benchmark]: Toolchain (without parser) took 5193.45ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 119.7MB in the beginning and 118.0MB in the end (delta: 1.7MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-11-19 07:58:31,163 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 159.4MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:31,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.43ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 106.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:58:31,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.09ms. Allocated memory is still 159.4MB. Free memory was 106.7MB in the beginning and 104.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:58:31,172 INFO L158 Benchmark]: Boogie Preprocessor took 97.57ms. Allocated memory is still 159.4MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:31,173 INFO L158 Benchmark]: RCFGBuilder took 1009.20ms. Allocated memory is still 159.4MB. Free memory was 101.4MB in the beginning and 74.7MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 07:58:31,174 INFO L158 Benchmark]: TraceAbstraction took 3434.21ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 74.2MB in the beginning and 118.0MB in the end (delta: -43.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:31,174 INFO L158 Benchmark]: Witness Printer took 7.25ms. Allocated memory is still 192.9MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:31,180 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 159.4MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.43ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 106.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.09ms. Allocated memory is still 159.4MB. Free memory was 106.7MB in the beginning and 104.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.57ms. Allocated memory is still 159.4MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1009.20ms. Allocated memory is still 159.4MB. Free memory was 101.4MB in the beginning and 74.7MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3434.21ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 74.2MB in the beginning and 118.0MB in the end (delta: -43.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.25ms. Allocated memory is still 192.9MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 152]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 151, overapproximation of someBinaryArithmeticDOUBLEoperation at line 146. Possible FailurePath: [L20] static const double one_modf = 1.0; VAL [one_modf=1] [L146] double x = 1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L147] double iptr = __VERIFIER_nondet_double(); [L148] CALL, EXPR modf_double(x, &iptr) [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [\old(x)=6441402389, iptr={6:0}, iptr={6:0}, one_modf=1, x=6441402389] [L26] ieee_double_shape_type ew_u; [L27] EXPR ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] EXPR (i0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] EXPR (i1) = ew_u.parts.lsw [L25-L30] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=6441402389, i0=0, i1=0, iptr={6:0}, iptr={6:0}, one_modf=1, x=6441402389] [L31] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=6441402389, i0=0, i1=0, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=6441402389] [L32] COND TRUE j0 < 20 VAL [\old(x)=6441402389, i0=0, i1=0, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=6441402389] [L33] COND TRUE j0 < 0 VAL [\old(x)=6441402389, i0=0, i1=0, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=6441402389] [L35] ieee_double_shape_type iw_u; [L36] EXPR iw_u.parts.msw = (i0 & 0x80000000) [L37] EXPR iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] EXPR (*iptr) = iw_u.value [L34-L39] { ieee_double_shape_type iw_u; iw_u.parts.msw = (i0 & 0x80000000); iw_u.parts.lsw = (0); (*iptr) = iw_u.value; } VAL [\old(x)=6441402389, i0=0, i1=0, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=6441402389] [L40] return x; VAL [\old(x)=6441402389, \result=6441402389, i0=0, i1=0, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=6441402389] [L148] RET, EXPR modf_double(x, &iptr) [L148] double res = modf_double(x, &iptr); [L151] EXPR \read(iptr) [L151] CALL, EXPR isinf_double(iptr) [L114] __int32_t hx, lx; VAL [\old(x)=6441402387, one_modf=1, x=6441402387] [L116] ieee_double_shape_type ew_u; [L117] EXPR ew_u.value = (x) [L118] EXPR ew_u.parts.msw [L118] EXPR (hx) = ew_u.parts.msw [L119] EXPR ew_u.parts.lsw [L119] EXPR (lx) = ew_u.parts.lsw [L115-L120] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=6441402387, hx=2146435072, lx=0, one_modf=1, x=6441402387] [L121] hx &= 0x7fffffff VAL [\old(x)=6441402387, hx=2146435072, lx=0, one_modf=1, x=6441402387] [L122] EXPR lx | (-lx) VAL [\old(x)=6441402387, hx=2146435072, lx=0, one_modf=1, x=6441402387] [L122] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L123] hx = 0x7ff00000 - hx VAL [\old(x)=6441402387, hx=0, lx=0, one_modf=1, x=6441402387] [L124] EXPR hx | (-hx) VAL [\old(x)=6441402387, hx=0, lx=0, one_modf=1, x=6441402387] [L124] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L151] RET, EXPR isinf_double(iptr) [L151] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L151] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [iptr={6:0}, one_modf=1, res=6441402389, x=6441402389] [L151] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) VAL [iptr={6:0}, one_modf=1, res=6441402389, x=6441402389] [L151] COND TRUE isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L152] reach_error() VAL [iptr={6:0}, one_modf=1, res=6441402389, x=6441402389] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 1078 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 697 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 381 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 [2023-11-19 07:58:31,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:34,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:34,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:58:34,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:34,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:34,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:34,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:34,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:34,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:58:34,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:58:34,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:34,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:34,644 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:34,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:34,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:58:34,648 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:58:34,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:58:34,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:34,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:58:34,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:58:34,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:58:34,653 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:58:34,654 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:58:34,654 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:58:34,655 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:58:34,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:34,656 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:34,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:34,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:34,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:58:34,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:34,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:34,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:58:34,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:58:34,662 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:58:34,663 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:58:34,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:58:34,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:58:34,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:58:34,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:58:34,666 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:58:34,667 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:58:34,667 INFO L153 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_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2023-11-19 07:58:35,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:35,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:35,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:35,211 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:35,212 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:35,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-11-19 07:58:39,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:58:39,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:58:39,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2023-11-19 07:58:39,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/data/1121e257a/ba0900840b584881a6bc9a96c9906a76/FLAG0cde62034 [2023-11-19 07:58:39,410 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/data/1121e257a/ba0900840b584881a6bc9a96c9906a76 [2023-11-19 07:58:39,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:58:39,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:58:39,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:39,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:58:39,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:58:39,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de74774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39, skipping insertion in model container [2023-11-19 07:58:39,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:58:39,662 WARN L240 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_ec020617-1c82-432b-bc2f-b6650a570f40/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-11-19 07:58:39,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:39,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:58:39,772 WARN L240 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_ec020617-1c82-432b-bc2f-b6650a570f40/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c[3716,3729] [2023-11-19 07:58:39,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:39,793 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:58:39,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39 WrapperNode [2023-11-19 07:58:39,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:39,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:39,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:58:39,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:58:39,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,854 INFO L138 Inliner]: procedures = 23, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 257 [2023-11-19 07:58:39,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:39,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:58:39,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:58:39,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:58:39,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:58:39,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:58:39,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:58:39,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:58:39,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39" (1/1) ... [2023-11-19 07:58:39,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:39,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:39,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:40,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:58:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:58:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 07:58:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 07:58:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:58:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:58:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 07:58:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:58:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:58:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:58:40,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:58:40,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:58:40,246 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:58:40,250 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:58:41,404 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:58:41,418 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:58:41,419 INFO L302 CfgBuilder]: Removed 24 assume(true) statements. [2023-11-19 07:58:41,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:41 BoogieIcfgContainer [2023-11-19 07:58:41,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:58:41,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:58:41,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:58:41,435 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:58:41,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:58:39" (1/3) ... [2023-11-19 07:58:41,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b15c73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:41, skipping insertion in model container [2023-11-19 07:58:41,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:39" (2/3) ... [2023-11-19 07:58:41,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b15c73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:41, skipping insertion in model container [2023-11-19 07:58:41,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:41" (3/3) ... [2023-11-19 07:58:41,442 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2023-11-19 07:58:41,469 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:58:41,469 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:58:41,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:58:41,563 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=LoopHeads, 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;@166124e4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:58:41,564 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:58:41,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 50 states have (on average 1.66) internal successors, (83), 51 states have internal predecessors, (83), 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) [2023-11-19 07:58:41,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 07:58:41,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:41,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:41,588 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:41,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:41,597 INFO L85 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2023-11-19 07:58:41,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:58:41,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [515752259] [2023-11-19 07:58:41,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:41,612 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 [2023-11-19 07:58:41,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:58:41,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:58:41,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:58:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:41,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:58:41,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:41,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:41,832 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:58:41,833 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:58:41,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [515752259] [2023-11-19 07:58:41,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [515752259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:41,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:41,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:58:41,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449041948] [2023-11-19 07:58:41,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:41,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:58:41,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:58:41,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:58:41,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:58:41,887 INFO L87 Difference]: Start difference. First operand has 52 states, 50 states have (on average 1.66) internal successors, (83), 51 states have internal predecessors, (83), 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 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:41,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:41,916 INFO L93 Difference]: Finished difference Result 102 states and 164 transitions. [2023-11-19 07:58:41,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:58:41,919 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-19 07:58:41,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:41,932 INFO L225 Difference]: With dead ends: 102 [2023-11-19 07:58:41,932 INFO L226 Difference]: Without dead ends: 49 [2023-11-19 07:58:41,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:58:41,941 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:41,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:58:41,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-19 07:58:41,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-19 07:58:41,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 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) [2023-11-19 07:58:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2023-11-19 07:58:41,991 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2023-11-19 07:58:41,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:41,991 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2023-11-19 07:58:41,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:41,992 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-11-19 07:58:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 07:58:41,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:41,994 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:42,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:42,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:58:42,199 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:42,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:42,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2023-11-19 07:58:42,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:58:42,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646896664] [2023-11-19 07:58:42,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:42,226 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 [2023-11-19 07:58:42,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:58:42,228 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:58:42,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:58:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:42,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:58:42,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:42,871 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:58:42,871 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:58:42,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646896664] [2023-11-19 07:58:42,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1646896664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:42,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:42,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:58:42,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039204102] [2023-11-19 07:58:42,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:42,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:58:42,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:58:42,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:58:42,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:42,877 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2023-11-19 07:58:43,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:43,791 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2023-11-19 07:58:43,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:58:43,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2023-11-19 07:58:43,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:43,794 INFO L225 Difference]: With dead ends: 64 [2023-11-19 07:58:43,795 INFO L226 Difference]: Without dead ends: 27 [2023-11-19 07:58:43,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:58:43,798 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 22 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:43,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 73 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:58:43,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-19 07:58:43,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-19 07:58:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 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) [2023-11-19 07:58:43,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2023-11-19 07:58:43,808 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 18 [2023-11-19 07:58:43,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:43,808 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2023-11-19 07:58:43,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2023-11-19 07:58:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2023-11-19 07:58:43,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 07:58:43,810 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:43,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:43,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:58:44,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:58:44,018 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:44,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:44,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1408426499, now seen corresponding path program 1 times [2023-11-19 07:58:44,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:58:44,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [775886412] [2023-11-19 07:58:44,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:44,020 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 [2023-11-19 07:58:44,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:58:44,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:58:44,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:58:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:44,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:44,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:44,606 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:58:44,607 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:58:44,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [775886412] [2023-11-19 07:58:44,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [775886412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:44,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:44,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:44,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697966450] [2023-11-19 07:58:44,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:44,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:58:44,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:58:44,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:58:44,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:44,610 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:44,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:44,654 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2023-11-19 07:58:44,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:58:44,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-19 07:58:44,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:44,656 INFO L225 Difference]: With dead ends: 30 [2023-11-19 07:58:44,656 INFO L226 Difference]: Without dead ends: 27 [2023-11-19 07:58:44,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:58:44,658 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:44,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:58:44,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-19 07:58:44,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-19 07:58:44,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 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) [2023-11-19 07:58:44,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-11-19 07:58:44,670 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2023-11-19 07:58:44,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:44,671 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2023-11-19 07:58:44,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:44,672 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-11-19 07:58:44,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 07:58:44,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:44,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:44,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:58:44,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:58:44,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:44,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:44,885 INFO L85 PathProgramCache]: Analyzing trace with hash -605570489, now seen corresponding path program 1 times [2023-11-19 07:58:44,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:58:44,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404320894] [2023-11-19 07:58:44,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:44,886 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 [2023-11-19 07:58:44,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:58:44,887 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:58:44,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 07:58:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:45,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:58:45,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:45,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:45,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:58:45,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:58:45,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404320894] [2023-11-19 07:58:45,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [404320894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:45,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:45,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:58:45,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135613923] [2023-11-19 07:58:45,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:45,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:58:45,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:58:45,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:58:45,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:58:45,722 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2023-11-19 07:58:47,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 07:58:48,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:48,176 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2023-11-19 07:58:48,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:58:48,177 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2023-11-19 07:58:48,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:48,178 INFO L225 Difference]: With dead ends: 31 [2023-11-19 07:58:48,178 INFO L226 Difference]: Without dead ends: 27 [2023-11-19 07:58:48,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:58:48,180 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 28 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:48,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 73 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-19 07:58:48,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-19 07:58:48,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-19 07:58:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0) internal successors, (26), 26 states have internal predecessors, (26), 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) [2023-11-19 07:58:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2023-11-19 07:58:48,191 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 22 [2023-11-19 07:58:48,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:48,192 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2023-11-19 07:58:48,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2023-11-19 07:58:48,193 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2023-11-19 07:58:48,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 07:58:48,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:48,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:48,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:48,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:58:48,405 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:48,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:48,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1265561966, now seen corresponding path program 1 times [2023-11-19 07:58:48,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:58:48,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170490694] [2023-11-19 07:58:48,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:48,407 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 [2023-11-19 07:58:48,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:58:48,408 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:58:48,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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 (6)] Waiting until timeout for monitored process [2023-11-19 07:58:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:48,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 07:58:48,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:49,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-11-19 07:58:49,359 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-11-19 07:58:49,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 25 [2023-11-19 07:58:49,405 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:58:49,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 38 [2023-11-19 07:58:51,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:51,038 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:58:51,038 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:58:51,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170490694] [2023-11-19 07:58:51,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170490694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:51,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:51,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-19 07:58:51,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449348470] [2023-11-19 07:58:51,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:51,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:58:51,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:58:51,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:58:51,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:58:51,042 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2023-11-19 07:58:54,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:54,325 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2023-11-19 07:58:54,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:58:54,325 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 26 [2023-11-19 07:58:54,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:54,326 INFO L225 Difference]: With dead ends: 27 [2023-11-19 07:58:54,326 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:58:54,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2023-11-19 07:58:54,327 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 31 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:54,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 103 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-19 07:58:54,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:58:54,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:58:54,329 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) [2023-11-19 07:58:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:58:54,329 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2023-11-19 07:58:54,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:54,329 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:58:54,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2023-11-19 07:58:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:58:54,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:58:54,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:58:54,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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 (6)] Ended with exit code 0 [2023-11-19 07:58:54,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:58:54,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:58:54,912 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 98) no Hoare annotation was computed. [2023-11-19 07:58:54,912 INFO L895 garLoopResultBuilder]: At program point L93-1(lines 93 98) the Hoare annotation is: false [2023-11-19 07:58:54,912 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 98) no Hoare annotation was computed. [2023-11-19 07:58:54,913 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-11-19 07:58:54,913 INFO L899 garLoopResultBuilder]: For program point L151-1(line 151) no Hoare annotation was computed. [2023-11-19 07:58:54,913 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 108) no Hoare annotation was computed. [2023-11-19 07:58:54,913 INFO L899 garLoopResultBuilder]: For program point L151-3(line 151) no Hoare annotation was computed. [2023-11-19 07:58:54,913 INFO L899 garLoopResultBuilder]: For program point L151-5(lines 151 154) no Hoare annotation was computed. [2023-11-19 07:58:54,913 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 139 157) no Hoare annotation was computed. [2023-11-19 07:58:54,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:58:54,913 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-11-19 07:58:54,914 INFO L899 garLoopResultBuilder]: For program point __signbit_double_returnLabel#1(lines 127 137) no Hoare annotation was computed. [2023-11-19 07:58:54,914 INFO L899 garLoopResultBuilder]: For program point isinf_double_returnLabel#1(lines 113 125) no Hoare annotation was computed. [2023-11-19 07:58:54,914 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2023-11-19 07:58:54,914 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 50) the Hoare annotation is: false [2023-11-19 07:58:54,914 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:58:54,914 INFO L899 garLoopResultBuilder]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2023-11-19 07:58:54,915 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 75) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|) (_ bv20 32))) (bvadd (_ bv1023 32) |ULTIMATE.start_modf_double_~j0~0#1|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_modf_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|) |ULTIMATE.start_modf_double_~i0~0#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))))) [2023-11-19 07:58:54,915 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2023-11-19 07:58:54,915 INFO L895 garLoopResultBuilder]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2023-11-19 07:58:54,915 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2023-11-19 07:58:54,916 INFO L895 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((|ULTIMATE.start_modf_double_~high~1#1| (_ BitVec 32))) (= |ULTIMATE.start_main_~res~0#1| (let ((.cse0 (concat (bvand |ULTIMATE.start_modf_double_~high~1#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) |ULTIMATE.start_main_#t~short25#1| (exists ((|ULTIMATE.start_modf_double_~high~1#1| (_ BitVec 32))) (= (let ((.cse1 (concat (bvand |ULTIMATE.start_modf_double_~high~1#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_modf_double_#res#1|)) (exists ((|v_skolemized_q#valueAsBitvector_49| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse2 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_49|) (_ bv2147483648 32)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_modf_double_#res#1|) (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_49|))))) (exists ((|v_skolemized_q#valueAsBitvector_49| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse3 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_49|) (_ bv2147483648 32)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) |ULTIMATE.start___signbit_double_~x#1|) (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_49|))))) (exists ((|v_skolemized_q#valueAsBitvector_49| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse4 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_49|) (_ bv2147483648 32)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) |ULTIMATE.start_main_~res~0#1|) (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_49|)))))) [2023-11-19 07:58:54,916 INFO L899 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2023-11-19 07:58:54,916 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 109) no Hoare annotation was computed. [2023-11-19 07:58:54,916 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:58:54,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2023-11-19 07:58:54,916 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 115 120) no Hoare annotation was computed. [2023-11-19 07:58:54,917 INFO L895 garLoopResultBuilder]: At program point L115-2(lines 115 120) the Hoare annotation is: (and (exists ((|ULTIMATE.start_modf_double_~high~1#1| (_ BitVec 32))) (= |ULTIMATE.start_main_~res~0#1| (let ((.cse0 (concat (bvand |ULTIMATE.start_modf_double_~high~1#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (exists ((|ULTIMATE.start_modf_double_~high~1#1| (_ BitVec 32))) (= (let ((.cse1 (concat (bvand |ULTIMATE.start_modf_double_~high~1#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_modf_double_#res#1|)) (exists ((|v_skolemized_q#valueAsBitvector_49| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse2 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_49|) (_ bv2147483648 32)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_modf_double_#res#1|) (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_49|))))) (exists ((|v_skolemized_q#valueAsBitvector_49| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse3 (concat (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_49|) (_ bv2147483648 32)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) |ULTIMATE.start_main_~res~0#1|) (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_49|)))))) [2023-11-19 07:58:54,917 INFO L899 garLoopResultBuilder]: For program point L115-3(lines 115 120) no Hoare annotation was computed. [2023-11-19 07:58:54,917 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 67) no Hoare annotation was computed. [2023-11-19 07:58:54,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:58:54,917 INFO L899 garLoopResultBuilder]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2023-11-19 07:58:54,924 INFO L895 garLoopResultBuilder]: At program point L25-2(lines 25 30) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_modf_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) [2023-11-19 07:58:54,925 INFO L899 garLoopResultBuilder]: For program point L25-3(lines 25 30) no Hoare annotation was computed. [2023-11-19 07:58:54,925 INFO L899 garLoopResultBuilder]: For program point modf_double_returnLabel#1(lines 22 110) no Hoare annotation was computed. [2023-11-19 07:58:54,925 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2023-11-19 07:58:54,925 INFO L895 garLoopResultBuilder]: At program point L34-2(lines 34 39) the Hoare annotation is: false [2023-11-19 07:58:54,925 INFO L899 garLoopResultBuilder]: For program point L34-3(lines 34 39) no Hoare annotation was computed. [2023-11-19 07:58:54,926 INFO L899 garLoopResultBuilder]: For program point L59-1(lines 59 64) no Hoare annotation was computed. [2023-11-19 07:58:54,926 INFO L895 garLoopResultBuilder]: At program point L59-2(lines 59 64) the Hoare annotation is: false [2023-11-19 07:58:54,926 INFO L899 garLoopResultBuilder]: For program point L59-3(lines 59 64) no Hoare annotation was computed. [2023-11-19 07:58:54,926 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 56) no Hoare annotation was computed. [2023-11-19 07:58:54,926 INFO L895 garLoopResultBuilder]: At program point L51-1(lines 51 56) the Hoare annotation is: false [2023-11-19 07:58:54,926 INFO L899 garLoopResultBuilder]: For program point L51-2(lines 51 56) no Hoare annotation was computed. [2023-11-19 07:58:54,927 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 81) no Hoare annotation was computed. [2023-11-19 07:58:54,927 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 66) no Hoare annotation was computed. [2023-11-19 07:58:54,927 INFO L895 garLoopResultBuilder]: At program point L76-1(lines 76 81) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|) (_ bv20 32))) (bvadd (_ bv1023 32) |ULTIMATE.start_modf_double_~j0~0#1|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_modf_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|) |ULTIMATE.start_modf_double_~i0~0#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((|v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_49| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10|) (_ bv4 32)))) (and (= .cse0 |ULTIMATE.start_modf_double_~high~1#1|) (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_49|)) (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_49|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_49|))))))) [2023-11-19 07:58:54,928 INFO L899 garLoopResultBuilder]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2023-11-19 07:58:54,928 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 109) no Hoare annotation was computed. [2023-11-19 07:58:54,928 INFO L899 garLoopResultBuilder]: For program point L101-1(lines 101 106) no Hoare annotation was computed. [2023-11-19 07:58:54,928 INFO L895 garLoopResultBuilder]: At program point L101-2(lines 101 106) the Hoare annotation is: false [2023-11-19 07:58:54,928 INFO L899 garLoopResultBuilder]: For program point L101-3(lines 101 106) no Hoare annotation was computed. [2023-11-19 07:58:54,932 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 07:58:54,934 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:58:54,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated [2023-11-19 07:58:54,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated [2023-11-19 07:58:54,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated [2023-11-19 07:58:54,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == #res && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated [2023-11-19 07:58:54,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~x && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated [2023-11-19 07:58:54,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~res~0 && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated [2023-11-19 07:58:54,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand~32(2047bv32, ~bvashr~32(v_skolemized_q#valueAsBitvector_32[63:32], 20bv32)) == ~bvadd~32(1023bv32, ~j0~0) && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 07:58:54,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 07:58:54,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: v_skolemized_q#valueAsBitvector_32[63:32] == ~i0~0 && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 07:58:54,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 07:58:54,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated [2023-11-19 07:58:54,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated [2023-11-19 07:58:54,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == #res && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated [2023-11-19 07:58:54,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~res~0 && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated [2023-11-19 07:58:54,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand~32(2047bv32, ~bvashr~32(v_skolemized_q#valueAsBitvector_32[63:32], 20bv32)) == ~bvadd~32(1023bv32, ~j0~0) && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 07:58:54,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 07:58:54,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: v_skolemized_q#valueAsBitvector_32[63:32] == ~i0~0 && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-19 07:58:54,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_49 : bv64, currentRoundingMode : FloatRoundingMode :: (#memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10][4bv32] == ~high~1 && #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10][4bv32] == v_skolemized_q#valueAsBitvector_49[63:32]) && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated [2023-11-19 07:58:54,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:58:54 BoogieIcfgContainer [2023-11-19 07:58:54,955 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:58:54,956 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:58:54,956 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:58:54,956 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:58:54,956 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:41" (3/4) ... [2023-11-19 07:58:54,958 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:58:54,970 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-19 07:58:54,970 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 07:58:54,971 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:58:54,972 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:58:55,081 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:58:55,082 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:58:55,082 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:58:55,083 INFO L158 Benchmark]: Toolchain (without parser) took 15668.11ms. Allocated memory is still 104.9MB. Free memory was 80.5MB in the beginning and 71.5MB in the end (delta: 9.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-19 07:58:55,083 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 71.3MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:55,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.07ms. Allocated memory is still 104.9MB. Free memory was 80.3MB in the beginning and 66.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:58:55,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.23ms. Allocated memory is still 104.9MB. Free memory was 66.8MB in the beginning and 64.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:55,085 INFO L158 Benchmark]: Boogie Preprocessor took 56.54ms. Allocated memory is still 104.9MB. Free memory was 64.5MB in the beginning and 62.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:55,085 INFO L158 Benchmark]: RCFGBuilder took 1514.61ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 65.1MB in the end (delta: -3.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2023-11-19 07:58:55,085 INFO L158 Benchmark]: TraceAbstraction took 13525.13ms. Allocated memory is still 104.9MB. Free memory was 64.0MB in the beginning and 77.8MB in the end (delta: -13.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:55,086 INFO L158 Benchmark]: Witness Printer took 126.80ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 71.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:58:55,088 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 71.3MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.07ms. Allocated memory is still 104.9MB. Free memory was 80.3MB in the beginning and 66.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.23ms. Allocated memory is still 104.9MB. Free memory was 66.8MB in the beginning and 64.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.54ms. Allocated memory is still 104.9MB. Free memory was 64.5MB in the beginning and 62.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1514.61ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 65.1MB in the end (delta: -3.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13525.13ms. Allocated memory is still 104.9MB. Free memory was 64.0MB in the beginning and 77.8MB in the end (delta: -13.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 126.80ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 71.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == #res && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~x && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~res~0 && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand~32(2047bv32, ~bvashr~32(v_skolemized_q#valueAsBitvector_32[63:32], 20bv32)) == ~bvadd~32(1023bv32, ~j0~0) && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: v_skolemized_q#valueAsBitvector_32[63:32] == ~i0~0 && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == #res && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_49 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_49[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~res~0 && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand~32(2047bv32, ~bvashr~32(v_skolemized_q#valueAsBitvector_32[63:32], 20bv32)) == ~bvadd~32(1023bv32, ~j0~0) && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_32 : bv64, currentRoundingMode : FloatRoundingMode :: v_skolemized_q#valueAsBitvector_32[63:32] == ~i0~0 && ~fp~64(v_skolemized_q#valueAsBitvector_32[63:63], v_skolemized_q#valueAsBitvector_32[62:52], v_skolemized_q#valueAsBitvector_32[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_49 : bv64, currentRoundingMode : FloatRoundingMode :: (#memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10][4bv32] == ~high~1 && #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_10][4bv32] == v_skolemized_q#valueAsBitvector_49[63:32]) && ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_49[63:63], v_skolemized_q#valueAsBitvector_49[62:52], v_skolemized_q#valueAsBitvector_49[51:0])) could not be translated * 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: 152]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 143 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 450 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 32 QuantifiedInterpolants, 935 SizeOfPredicates, 28 NumberOfNonLiveVariables, 495 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-19 07:58:55,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec020617-1c82-432b-bc2f-b6650a570f40/bin/uautomizer-verify-uCwYo4JHxu/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