./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ce0eb489df8fa084a208059955735f91d7eaccc5d3a522f7cf2150fa7a42b6a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:06,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:06,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:19:06,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:06,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:06,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:06,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:06,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:06,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:06,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:06,875 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:06,875 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:06,876 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:06,876 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:19:06,877 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:06,877 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:06,878 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:19:06,878 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:19:06,879 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:06,879 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:19:06,880 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:19:06,883 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:19:06,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:06,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:06,885 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:19:06,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:19:06,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:19:06,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:06,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:06,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:06,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:06,887 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:19:06,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:06,888 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:06,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:06,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:06,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:06,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:06,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:06,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:06,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:06,892 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:19:06,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:19:06,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:06,893 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:06,893 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:06,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:06,894 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ce0eb489df8fa084a208059955735f91d7eaccc5d3a522f7cf2150fa7a42b6a [2023-11-23 21:19:07,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:07,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:07,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:07,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:07,228 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:07,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i [2023-11-23 21:19:10,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:10,662 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:10,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i [2023-11-23 21:19:10,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/data/836cf7599/e7bc7fb47f704a139de987c86b52e32f/FLAGd977142a6 [2023-11-23 21:19:10,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/data/836cf7599/e7bc7fb47f704a139de987c86b52e32f [2023-11-23 21:19:10,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:10,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:10,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:10,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:10,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:10,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:10,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8cca88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:10, skipping insertion in model container [2023-11-23 21:19:10,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:10" (1/1) ... [2023-11-23 21:19:10,756 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:10,931 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_bfcb159d-6446-4f00-8c86-503b29e0d663/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i[919,932] [2023-11-23 21:19:11,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:11,023 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:11,037 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_bfcb159d-6446-4f00-8c86-503b29e0d663/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i[919,932] [2023-11-23 21:19:11,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:11,138 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:11,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11 WrapperNode [2023-11-23 21:19:11,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:11,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:11,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:11,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:11,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,241 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 196 [2023-11-23 21:19:11,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:11,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:11,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:11,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:11,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:11,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:11,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:11,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:11,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (1/1) ... [2023-11-23 21:19:11,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:11,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:11,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:11,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:19:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:19:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:19:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:11,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:11,565 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:11,568 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:12,074 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:12,440 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:12,441 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:19:12,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:12 BoogieIcfgContainer [2023-11-23 21:19:12,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:12,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:12,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:12,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:12,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:10" (1/3) ... [2023-11-23 21:19:12,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67098c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:12, skipping insertion in model container [2023-11-23 21:19:12,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:11" (2/3) ... [2023-11-23 21:19:12,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67098c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:12, skipping insertion in model container [2023-11-23 21:19:12,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:12" (3/3) ... [2023-11-23 21:19:12,456 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i [2023-11-23 21:19:12,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:12,481 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:12,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:12,584 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=FINITE_AUTOMATA, 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;@38d3e4d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:12,585 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:12,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-23 21:19:12,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 21:19:12,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:12,608 INFO L195 NwaCegarLoop]: trace histogram [22, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:12,609 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:12,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:12,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1199104934, now seen corresponding path program 1 times [2023-11-23 21:19:12,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:12,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319925051] [2023-11-23 21:19:12,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:12,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:12,874 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:19:12,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533178661] [2023-11-23 21:19:12,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:12,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:19:12,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:12,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:19:12,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:19:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:19:13,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:19:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:19:13,738 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:19:13,741 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:19:13,742 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:19:13,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:19:13,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:19:13,957 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:19:13,962 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:19:14,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:19:14 BoogieIcfgContainer [2023-11-23 21:19:14,121 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:19:14,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:19:14,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:19:14,122 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:19:14,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:12" (3/4) ... [2023-11-23 21:19:14,124 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:19:14,126 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:19:14,127 INFO L158 Benchmark]: Toolchain (without parser) took 3420.12ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 76.6MB in the end (delta: 34.2MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2023-11-23 21:19:14,127 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:14,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.71ms. Allocated memory is still 155.2MB. Free memory was 110.4MB in the beginning and 95.4MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:19:14,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.89ms. Allocated memory is still 155.2MB. Free memory was 95.4MB in the beginning and 91.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:19:14,129 INFO L158 Benchmark]: Boogie Preprocessor took 54.08ms. Allocated memory is still 155.2MB. Free memory was 91.1MB in the beginning and 89.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:19:14,130 INFO L158 Benchmark]: RCFGBuilder took 1129.74ms. Allocated memory is still 155.2MB. Free memory was 88.7MB in the beginning and 73.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-23 21:19:14,131 INFO L158 Benchmark]: TraceAbstraction took 1675.35ms. Allocated memory is still 155.2MB. Free memory was 72.7MB in the beginning and 77.4MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:14,131 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 155.2MB. Free memory was 77.4MB in the beginning and 76.6MB in the end (delta: 855.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:19:14,135 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.71ms. Allocated memory is still 155.2MB. Free memory was 110.4MB in the beginning and 95.4MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.89ms. Allocated memory is still 155.2MB. Free memory was 95.4MB in the beginning and 91.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.08ms. Allocated memory is still 155.2MB. Free memory was 91.1MB in the beginning and 89.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1129.74ms. Allocated memory is still 155.2MB. Free memory was 88.7MB in the beginning and 73.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1675.35ms. Allocated memory is still 155.2MB. Free memory was 72.7MB in the beginning and 77.4MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 155.2MB. Free memory was 77.4MB in the beginning and 76.6MB in the end (delta: 855.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: 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 someBinaryFLOATComparisonOperation at line 57, overapproximation of bitwiseOr at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryArithmeticFLOAToperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 1; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_8 = 64; [L27] signed char var_1_11 = -10; [L28] signed char var_1_12 = 64; [L29] float var_1_13 = 1.6; [L30] float var_1_14 = 3.5; [L31] unsigned char var_1_15 = 8; [L32] unsigned char var_1_16 = 4; [L33] unsigned short int var_1_17 = 2; [L34] unsigned short int var_1_18 = 10000; [L35] signed short int var_1_20 = 4; [L36] signed char var_1_22 = -32; [L37] unsigned long int var_1_23 = 0; [L38] signed short int var_1_24 = 25; [L39] unsigned char var_1_27 = 50; [L40] unsigned char var_1_28 = 8; [L41] signed short int var_1_29 = 10; [L42] double var_1_33 = 7.125; [L43] float var_1_34 = 0.75; [L44] float var_1_35 = 25.5; [L45] float var_1_36 = 9.038; [L46] double var_1_38 = 15.5; [L47] float var_1_39 = 128.5; [L48] float var_1_41 = 15.25; [L49] float var_1_42 = 64.5; [L50] float var_1_43 = 256.3; [L51] unsigned long int var_1_44 = 32; [L52] double var_1_45 = 63.25; [L53] unsigned char last_1_var_1_15 = 8; [L183] isInitial = 1 [L184] FCALL initially() [L185] COND TRUE 1 [L186] CALL updateLastVariables() [L176] last_1_var_1_15 = var_1_15 [L186] RET updateLastVariables() [L187] CALL updateVariables() [L137] var_1_4 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L139] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L140] var_1_5 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L142] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L143] var_1_11 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L145] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L146] var_1_12 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L148] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L149] var_1_14 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L151] var_1_16 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L153] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L154] var_1_18 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L156] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L157] var_1_28 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L159] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L160] var_1_34 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L162] var_1_35 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L164] var_1_36 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L166] var_1_38 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_38 >= -922337.2036854765600e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_38 >= -922337.2036854765600e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L168] var_1_41 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L170] var_1_42 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L172] var_1_43 = __VERIFIER_nondet_float() [L173] CALL assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8193, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L187] RET updateVariables() [L188] CALL step() [L57] COND FALSE !(32.2f > (25.5f - ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) [L60] var_1_27 = var_1_28 [L61] COND TRUE var_1_13 <= ((((var_1_13) < (var_1_13)) ? (var_1_13) : (var_1_13))) [L62] COND FALSE !(var_1_15 == var_1_23) [L65] var_1_29 = ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23))) [L68] COND FALSE !(var_1_13 > (((((var_1_34) < (var_1_35)) ? (var_1_34) : (var_1_35))) - var_1_36)) [L77] var_1_33 = 10000.5 [L79] COND FALSE !(\read(var_1_1)) [L82] EXPR var_1_22 | var_1_22 [L82] COND FALSE !(var_1_15 < (var_1_22 | var_1_22)) [L86] COND FALSE !(((var_1_38 + var_1_13) * ((((var_1_42) < 0 ) ? -(var_1_42) : (var_1_42)))) >= var_1_35) [L89] COND FALSE !(\read(var_1_1)) [L92] unsigned char stepLocal_1 = ! var_1_5; [L93] COND TRUE stepLocal_1 || (var_1_12 < last_1_var_1_15) [L94] COND FALSE !(! var_1_5) [L97] var_1_13 = var_1_14 [L100] COND TRUE (127.35 + var_1_13) <= var_1_13 [L101] COND TRUE 4.5 <= (var_1_13 * var_1_13) [L102] var_1_6 = var_1_5 [L105] COND TRUE (- var_1_13) > 31.9f [L106] var_1_1 = ((var_1_6 || var_1_4) && var_1_5) [L110] COND TRUE \read(var_1_1) [L111] var_1_15 = var_1_16 [L113] var_1_22 = 1 [L114] var_1_23 = var_1_22 [L115] unsigned long int stepLocal_0 = var_1_23; [L116] COND FALSE !(var_1_15 > stepLocal_0) [L119] unsigned char stepLocal_2 = var_1_23 < var_1_15; [L120] COND TRUE var_1_1 || stepLocal_2 [L121] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)) [L125] signed long int stepLocal_3 = -10; [L126] COND FALSE !(((var_1_15 / var_1_18) * var_1_15) < stepLocal_3) [L129] COND FALSE !(! (var_1_17 <= var_1_17)) [L132] var_1_20 = var_1_12 [L188] RET step() [L189] CALL, EXPR property() [L179-L180] return ((((((((((- var_1_13) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_6 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_13) <= var_1_13) ? ((4.5 <= (var_1_13 * var_1_13)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_15 > var_1_23) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < last_1_var_1_15)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_1 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_1 || (var_1_23 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_15 / var_1_18) * var_1_15) < -10) ? (var_1_20 == ((signed short int) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : ((! (var_1_17 <= var_1_17)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_22)) ; [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=8193, var_1_18=8193, var_1_1=1, var_1_20=-1, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=0, var_1_28=0, var_1_29=0, var_1_33=20001/2, var_1_38=0, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=1, var_1_8=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=-1, var_1_13=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=8193, var_1_18=8193, var_1_1=1, var_1_20=-1, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=0, var_1_28=0, var_1_29=0, var_1_33=20001/2, var_1_38=0, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=1, var_1_8=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:19:14,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ce0eb489df8fa084a208059955735f91d7eaccc5d3a522f7cf2150fa7a42b6a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:16,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:17,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:19:17,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:17,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:17,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:17,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:17,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:17,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:17,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:17,128 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:17,129 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:17,130 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:17,131 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:17,132 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:17,133 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:17,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:17,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:17,135 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:19:17,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:19:17,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:17,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:17,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:17,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:17,139 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:19:17,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:19:17,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:19:17,141 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:19:17,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:17,142 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:17,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:17,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:19:17,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:17,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:17,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:17,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:17,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:17,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:17,147 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:19:17,148 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:17,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:17,148 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:17,149 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:17,149 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:17,150 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ce0eb489df8fa084a208059955735f91d7eaccc5d3a522f7cf2150fa7a42b6a [2023-11-23 21:19:17,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:17,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:17,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:17,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:17,615 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:17,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i [2023-11-23 21:19:20,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:21,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:21,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i [2023-11-23 21:19:21,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/data/35e96a918/7d13aba51a184e85a257a01e8224dd5f/FLAG84e5ee80b [2023-11-23 21:19:21,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/data/35e96a918/7d13aba51a184e85a257a01e8224dd5f [2023-11-23 21:19:21,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:21,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:21,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:21,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:21,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:21,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:21,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72aed954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21, skipping insertion in model container [2023-11-23 21:19:21,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:21,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:21,549 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_bfcb159d-6446-4f00-8c86-503b29e0d663/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i[919,932] [2023-11-23 21:19:21,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:21,722 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:21,742 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_bfcb159d-6446-4f00-8c86-503b29e0d663/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i[919,932] [2023-11-23 21:19:21,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:21,850 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:21,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21 WrapperNode [2023-11-23 21:19:21,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:21,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:21,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:21,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:21,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:21,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:21,943 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2023-11-23 21:19:21,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:21,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:21,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:21,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:21,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:21,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:21,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:21,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:22,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:22,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:22,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:22,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:22,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:22,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:22,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:22,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:22,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21" (1/1) ... [2023-11-23 21:19:22,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:22,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:22,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:22,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:19:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:19:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:19:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:22,218 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:22,221 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:31,949 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:31,996 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:31,996 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:19:32,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:32 BoogieIcfgContainer [2023-11-23 21:19:32,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:32,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:32,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:32,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:32,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:21" (1/3) ... [2023-11-23 21:19:32,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773f5e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:32, skipping insertion in model container [2023-11-23 21:19:32,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:21" (2/3) ... [2023-11-23 21:19:32,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773f5e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:32, skipping insertion in model container [2023-11-23 21:19:32,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:32" (3/3) ... [2023-11-23 21:19:32,015 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i [2023-11-23 21:19:32,034 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:32,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:32,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:32,099 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=FINITE_AUTOMATA, 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;@57c6b0b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:32,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 50 states have (on average 1.5) internal successors, (75), 51 states have internal predecessors, (75), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-23 21:19:32,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 21:19:32,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:32,119 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 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, 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, 1, 1, 1, 1] [2023-11-23 21:19:32,120 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:32,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:32,124 INFO L85 PathProgramCache]: Analyzing trace with hash -972953968, now seen corresponding path program 1 times [2023-11-23 21:19:32,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:32,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082780945] [2023-11-23 21:19:32,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:32,138 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 [2023-11-23 21:19:32,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:32,146 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:32,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:32,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:19:32,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-11-23 21:19:33,024 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:33,025 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:33,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082780945] [2023-11-23 21:19:33,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082780945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:33,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:33,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:19:33,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326692547] [2023-11-23 21:19:33,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:33,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:19:33,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:33,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:19:33,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:19:33,085 INFO L87 Difference]: Start difference. First operand has 75 states, 50 states have (on average 1.5) internal successors, (75), 51 states have internal predecessors, (75), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 21:19:34,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:34,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:34,473 INFO L93 Difference]: Finished difference Result 147 states and 258 transitions. [2023-11-23 21:19:34,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:19:34,501 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 148 [2023-11-23 21:19:34,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:34,510 INFO L225 Difference]: With dead ends: 147 [2023-11-23 21:19:34,510 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 21:19:34,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:19:34,518 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:34,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 21:19:34,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 21:19:34,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 21:19:34,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 49 states have internal predecessors, (69), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-23 21:19:34,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 113 transitions. [2023-11-23 21:19:34,573 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 113 transitions. Word has length 148 [2023-11-23 21:19:34,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:34,573 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 113 transitions. [2023-11-23 21:19:34,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 21:19:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2023-11-23 21:19:34,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 21:19:34,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:34,580 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 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, 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, 1, 1, 1, 1] [2023-11-23 21:19:34,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:34,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:34,798 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:34,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:34,799 INFO L85 PathProgramCache]: Analyzing trace with hash 77623068, now seen corresponding path program 1 times [2023-11-23 21:19:34,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:34,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786409010] [2023-11-23 21:19:34,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:34,802 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 [2023-11-23 21:19:34,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:34,803 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:34,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:35,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:19:35,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:37,330 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-23 21:19:37,330 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:37,330 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:37,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [786409010] [2023-11-23 21:19:37,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [786409010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:37,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:37,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:19:37,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403426808] [2023-11-23 21:19:37,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:37,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:37,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:37,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:37,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:37,335 INFO L87 Difference]: Start difference. First operand 73 states and 113 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 21:19:39,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:42,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:46,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:49,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:51,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:51,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:51,501 INFO L93 Difference]: Finished difference Result 216 states and 335 transitions. [2023-11-23 21:19:51,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:51,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2023-11-23 21:19:51,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:51,555 INFO L225 Difference]: With dead ends: 216 [2023-11-23 21:19:51,555 INFO L226 Difference]: Without dead ends: 144 [2023-11-23 21:19:51,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:51,558 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 39 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:51,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 198 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 4 Unknown, 0 Unchecked, 14.1s Time] [2023-11-23 21:19:51,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-23 21:19:51,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2023-11-23 21:19:51,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 94 states have internal predecessors, (128), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-23 21:19:51,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 216 transitions. [2023-11-23 21:19:51,605 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 216 transitions. Word has length 148 [2023-11-23 21:19:51,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:51,607 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 216 transitions. [2023-11-23 21:19:51,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 21:19:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 216 transitions. [2023-11-23 21:19:51,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-23 21:19:51,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:51,615 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 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, 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, 1, 1, 1, 1, 1] [2023-11-23 21:19:51,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:51,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:51,827 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:51,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:51,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1709351374, now seen corresponding path program 1 times [2023-11-23 21:19:51,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:51,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567007104] [2023-11-23 21:19:51,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:51,829 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 [2023-11-23 21:19:51,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:51,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:51,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:52,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:19:52,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:55,854 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-23 21:19:55,855 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:55,855 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:55,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567007104] [2023-11-23 21:19:55,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567007104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:55,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:55,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:19:55,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270751316] [2023-11-23 21:19:55,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:55,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:55,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:55,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:55,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:55,859 INFO L87 Difference]: Start difference. First operand 141 states and 216 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 21:19:58,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:00,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:02,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:03,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:03,543 INFO L93 Difference]: Finished difference Result 346 states and 532 transitions. [2023-11-23 21:20:03,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:20:03,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2023-11-23 21:20:03,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:03,549 INFO L225 Difference]: With dead ends: 346 [2023-11-23 21:20:03,549 INFO L226 Difference]: Without dead ends: 206 [2023-11-23 21:20:03,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:20:03,554 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 26 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:03,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 198 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2023-11-23 21:20:03,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-11-23 21:20:03,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 190. [2023-11-23 21:20:03,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 120 states have (on average 1.3) internal successors, (156), 120 states have internal predecessors, (156), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-23 21:20:03,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 288 transitions. [2023-11-23 21:20:03,594 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 288 transitions. Word has length 149 [2023-11-23 21:20:03,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:03,595 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 288 transitions. [2023-11-23 21:20:03,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 21:20:03,596 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 288 transitions. [2023-11-23 21:20:03,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-23 21:20:03,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:03,600 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 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, 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, 1, 1, 1, 1, 1] [2023-11-23 21:20:03,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:20:03,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:20:03,818 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:03,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:03,819 INFO L85 PathProgramCache]: Analyzing trace with hash 20407632, now seen corresponding path program 1 times [2023-11-23 21:20:03,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:20:03,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779732672] [2023-11-23 21:20:03,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:03,820 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 [2023-11-23 21:20:03,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:20:03,825 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:20:03,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:20:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:04,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:20:04,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:20:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-23 21:20:06,100 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:20:06,100 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:20:06,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779732672] [2023-11-23 21:20:06,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779732672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:06,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:06,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:20:06,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050391699] [2023-11-23 21:20:06,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:06,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:20:06,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:20:06,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:20:06,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:20:06,105 INFO L87 Difference]: Start difference. First operand 190 states and 288 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 21:20:08,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:09,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:09,371 INFO L93 Difference]: Finished difference Result 466 states and 710 transitions. [2023-11-23 21:20:09,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:20:09,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2023-11-23 21:20:09,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:09,388 INFO L225 Difference]: With dead ends: 466 [2023-11-23 21:20:09,388 INFO L226 Difference]: Without dead ends: 326 [2023-11-23 21:20:09,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:20:09,392 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 37 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:09,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 222 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2023-11-23 21:20:09,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2023-11-23 21:20:09,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 314. [2023-11-23 21:20:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 198 states have (on average 1.2828282828282829) internal successors, (254), 198 states have internal predecessors, (254), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2023-11-23 21:20:09,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 474 transitions. [2023-11-23 21:20:09,489 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 474 transitions. Word has length 149 [2023-11-23 21:20:09,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:09,491 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 474 transitions. [2023-11-23 21:20:09,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 21:20:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 474 transitions. [2023-11-23 21:20:09,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-23 21:20:09,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:09,498 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:09,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:20:09,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:20:09,716 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:09,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:09,716 INFO L85 PathProgramCache]: Analyzing trace with hash -756988566, now seen corresponding path program 1 times [2023-11-23 21:20:09,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:20:09,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019578904] [2023-11-23 21:20:09,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:09,717 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 [2023-11-23 21:20:09,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:20:09,719 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:20:09,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb159d-6446-4f00-8c86-503b29e0d663/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:20:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:10,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:20:10,426 INFO L285 TraceCheckSpWp]: Computing forward predicates...