./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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_8504c687-f5cb-403f-8add-520cea816979/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 35780d402b91c5b73506e2466a9e91dd4364830ec2d381147e0a7dde92782217 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:28,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:28,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:20:28,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:28,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:28,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:28,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:28,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:28,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:28,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:28,841 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:28,842 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:28,843 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:28,845 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:28,845 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:28,846 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:28,846 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:28,846 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:28,847 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:28,847 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:28,848 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:28,849 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:28,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:28,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:28,851 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:20:28,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:28,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:20:28,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:28,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:28,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:28,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:28,855 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:20:28,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:28,855 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:28,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:28,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:28,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:28,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:28,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:28,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:28,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:28,858 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:28,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:28,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:28,859 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:28,859 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:28,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:28,860 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_8504c687-f5cb-403f-8add-520cea816979/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35780d402b91c5b73506e2466a9e91dd4364830ec2d381147e0a7dde92782217 [2023-11-23 21:20:29,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:29,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:29,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:29,218 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:29,219 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:29,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i [2023-11-23 21:20:32,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:32,629 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:32,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i [2023-11-23 21:20:32,641 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/data/eba4e59bb/9e89603a08244521b043deec96b1a170/FLAGcec0b51a3 [2023-11-23 21:20:32,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/data/eba4e59bb/9e89603a08244521b043deec96b1a170 [2023-11-23 21:20:32,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:32,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:32,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:32,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:32,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:32,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37fa5eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32, skipping insertion in model container [2023-11-23 21:20:32,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,713 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:32,905 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_8504c687-f5cb-403f-8add-520cea816979/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i[919,932] [2023-11-23 21:20:33,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:33,017 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:33,031 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_8504c687-f5cb-403f-8add-520cea816979/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i[919,932] [2023-11-23 21:20:33,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:33,113 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:33,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33 WrapperNode [2023-11-23 21:20:33,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:33,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:33,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:33,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:33,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33" (1/1) ... [2023-11-23 21:20:33,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33" (1/1) ... [2023-11-23 21:20:33,205 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 231 [2023-11-23 21:20:33,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:33,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:33,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:33,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:33,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33" (1/1) ... [2023-11-23 21:20:33,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33" (1/1) ... [2023-11-23 21:20:33,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33" (1/1) ... [2023-11-23 21:20:33,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33" (1/1) ... [2023-11-23 21:20:33,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33" (1/1) ... [2023-11-23 21:20:33,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33" (1/1) ... [2023-11-23 21:20:33,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33" (1/1) ... [2023-11-23 21:20:33,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33" (1/1) ... [2023-11-23 21:20:33,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:33,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:33,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:33,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:33,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33" (1/1) ... [2023-11-23 21:20:33,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:33,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:33,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:33,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:33,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:20:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:33,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:33,528 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:33,530 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:34,065 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:34,456 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:34,456 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:34,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:34 BoogieIcfgContainer [2023-11-23 21:20:34,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:34,464 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:34,464 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:34,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:34,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:32" (1/3) ... [2023-11-23 21:20:34,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5032f8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:34, skipping insertion in model container [2023-11-23 21:20:34,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:33" (2/3) ... [2023-11-23 21:20:34,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5032f8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:34, skipping insertion in model container [2023-11-23 21:20:34,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:34" (3/3) ... [2023-11-23 21:20:34,475 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i [2023-11-23 21:20:34,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:34,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:34,571 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:34,580 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;@2bec6a24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:34,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:20:34,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 21:20:34,605 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:34,607 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:20:34,607 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:34,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:34,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1844473455, now seen corresponding path program 1 times [2023-11-23 21:20:34,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:34,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983749660] [2023-11-23 21:20:34,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:34,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:35,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:20:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:36,195 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:20:36,197 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:20:36,198 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:20:36,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:20:36,205 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:20:36,217 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:20:36,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:20:36 BoogieIcfgContainer [2023-11-23 21:20:36,391 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:20:36,393 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:20:36,393 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:20:36,393 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:20:36,394 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:34" (3/4) ... [2023-11-23 21:20:36,400 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:20:36,401 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:20:36,403 INFO L158 Benchmark]: Toolchain (without parser) took 3740.46ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 106.6MB in the end (delta: 3.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-23 21:20:36,403 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:36,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.01ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 94.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:20:36,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.90ms. Allocated memory is still 153.1MB. Free memory was 94.8MB in the beginning and 90.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:20:36,407 INFO L158 Benchmark]: Boogie Preprocessor took 52.79ms. Allocated memory is still 153.1MB. Free memory was 90.6MB in the beginning and 88.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:20:36,413 INFO L158 Benchmark]: RCFGBuilder took 1199.38ms. Allocated memory is still 153.1MB. Free memory was 88.5MB in the beginning and 99.5MB in the end (delta: -11.0MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2023-11-23 21:20:36,415 INFO L158 Benchmark]: TraceAbstraction took 1926.98ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 106.6MB in the end (delta: -7.7MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2023-11-23 21:20:36,416 INFO L158 Benchmark]: Witness Printer took 8.88ms. Allocated memory is still 153.1MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:36,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.01ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 94.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.90ms. Allocated memory is still 153.1MB. Free memory was 94.8MB in the beginning and 90.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.79ms. Allocated memory is still 153.1MB. Free memory was 90.6MB in the beginning and 88.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1199.38ms. Allocated memory is still 153.1MB. Free memory was 88.5MB in the beginning and 99.5MB in the end (delta: -11.0MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1926.98ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 106.6MB in the end (delta: -7.7MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * Witness Printer took 8.88ms. Allocated memory is still 153.1MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 201, overapproximation of shiftRight at line 113, overapproximation of bitwiseAnd at line 139, overapproximation of someBinaryDOUBLEComparisonOperation at line 65. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 7.325; [L23] double var_1_3 = 63.8; [L24] double var_1_4 = 256.6; [L25] double var_1_5 = 2.375; [L26] double var_1_6 = 25.8; [L27] unsigned char var_1_7 = 1; [L28] double var_1_8 = 1.5; [L29] unsigned long int var_1_9 = 32; [L30] unsigned long int var_1_10 = 3567543019; [L31] float var_1_12 = 31.875; [L32] signed long int var_1_13 = 128; [L33] unsigned char var_1_16 = 4; [L34] unsigned char var_1_18 = 16; [L35] signed long int var_1_19 = 64; [L36] unsigned char var_1_20 = 0; [L37] signed long int var_1_21 = 1897833385; [L38] unsigned char var_1_22 = 2; [L39] signed char var_1_23 = -5; [L40] signed char var_1_24 = -4; [L41] signed char var_1_25 = 2; [L42] signed long int var_1_26 = -1000000; [L43] double var_1_27 = 31.6; [L44] unsigned char var_1_32 = 10; [L45] signed char var_1_33 = -64; [L46] unsigned char var_1_35 = 10; [L47] unsigned char var_1_36 = 128; [L48] unsigned char var_1_37 = 1; [L49] signed long int var_1_38 = 16; [L50] float var_1_41 = 64.6; [L51] signed short int var_1_42 = 1; [L52] signed char var_1_43 = 1; [L53] signed char var_1_45 = 0; [L54] signed char var_1_46 = 5; [L55] float last_1_var_1_12 = 31.875; [L56] signed long int last_1_var_1_13 = 128; [L57] unsigned char last_1_var_1_16 = 4; [L58] signed long int last_1_var_1_19 = 64; [L205] isInitial = 1 [L206] FCALL initially() [L207] COND TRUE 1 [L208] CALL updateLastVariables() [L195] last_1_var_1_12 = var_1_12 [L196] last_1_var_1_13 = var_1_13 [L197] last_1_var_1_16 = var_1_16 [L198] last_1_var_1_19 = var_1_19 [L208] RET updateLastVariables() [L209] CALL updateVariables() [L148] var_1_3 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L150] var_1_4 = __VERIFIER_nondet_double() [L151] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L152] var_1_5 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L154] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L155] var_1_6 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L157] CALL assume_abort_if_not(var_1_6 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_6 != 0.0F) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L158] var_1_7 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_8=3/2, var_1_9=32] [L160] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L161] var_1_8 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L163] var_1_10 = __VERIFIER_nondet_ulong() [L164] CALL assume_abort_if_not(var_1_10 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_10 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L165] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L166] var_1_18 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L168] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L169] var_1_20 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L171] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L172] var_1_21 = __VERIFIER_nondet_long() [L173] CALL assume_abort_if_not(var_1_21 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_21 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L174] CALL assume_abort_if_not(var_1_21 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_21 <= 2147483646) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L175] var_1_24 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_24 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_24 >= -126) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L177] CALL assume_abort_if_not(var_1_24 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 <= 126) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L178] var_1_25 = __VERIFIER_nondet_char() [L179] CALL assume_abort_if_not(var_1_25 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_25 >= -126) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L180] CALL assume_abort_if_not(var_1_25 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_25 <= 126) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L181] var_1_36 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_36 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_36 >= 127) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L183] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L184] var_1_37 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L186] CALL assume_abort_if_not(var_1_37 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=127, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_37 <= 127) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=127, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L187] var_1_45 = __VERIFIER_nondet_char() [L188] CALL assume_abort_if_not(var_1_45 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=127, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_45 >= -63) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=127, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=5, var_1_7=1, var_1_9=32] [L189] CALL assume_abort_if_not(var_1_45 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=127, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_45 <= 63) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=127, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=5, var_1_7=1, var_1_9=32] [L190] var_1_46 = __VERIFIER_nondet_char() [L191] CALL assume_abort_if_not(var_1_46 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=127, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=-63, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_46 >= -63) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=127, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=-63, var_1_7=1, var_1_9=32] [L192] CALL assume_abort_if_not(var_1_46 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=127, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=-63, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_46 <= 63) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1827081742, var_1_22=2, var_1_23=-5, var_1_24=4, var_1_25=4, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=127, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=-63, var_1_7=1, var_1_9=32] [L209] RET updateVariables() [L210] CALL step() [L62] COND TRUE (((((last_1_var_1_19 / 2)) > ((~ last_1_var_1_16))) ? ((last_1_var_1_19 / 2)) : ((~ last_1_var_1_16)))) <= var_1_10 [L63] var_1_12 = var_1_8 [L65] COND FALSE !(var_1_12 > ((var_1_3 - var_1_4) / ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) [L72] var_1_1 = var_1_8 [L74] COND TRUE var_1_3 >= (last_1_var_1_12 * var_1_4) [L75] var_1_16 = var_1_18 [L77] COND TRUE var_1_8 > 255.375 [L78] var_1_35 = (var_1_36 - var_1_37) [L82] var_1_22 = ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) [L83] var_1_32 = 2 [L84] var_1_33 = var_1_25 [L85] COND TRUE \read(var_1_7) [L86] COND TRUE var_1_10 > var_1_16 [L87] var_1_43 = (((((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) < 0 ) ? -((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) : ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))) [L98] COND TRUE var_1_1 > var_1_5 [L99] var_1_23 = (((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) < 0 ) ? -((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) : ((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))) [L103] COND FALSE !(var_1_7 && (var_1_16 > var_1_25)) [L106] COND TRUE var_1_16 == var_1_25 [L107] COND TRUE var_1_25 >= var_1_16 [L108] var_1_27 = var_1_8 [L112] var_1_26 = var_1_25 [L113] EXPR var_1_26 >> var_1_10 [L113] signed long int stepLocal_0 = var_1_26 >> var_1_10; [L114] COND TRUE stepLocal_0 < last_1_var_1_13 [L115] var_1_13 = ((((var_1_26) < (var_1_22)) ? (var_1_26) : (var_1_22))) [L117] COND FALSE !((- var_1_8) < var_1_1) [L120] COND FALSE !(var_1_1 < (var_1_4 - var_1_3)) [L123] COND TRUE \read(var_1_7) [L124] COND TRUE var_1_7 || (var_1_22 < var_1_25) [L125] var_1_38 = ((((var_1_36) < (var_1_22)) ? (var_1_36) : (var_1_22))) [L130] COND TRUE var_1_7 && var_1_20 [L131] var_1_19 = ((1827081742 - var_1_13) - (var_1_21 - (var_1_18 + var_1_16))) [L139] EXPR var_1_21 & var_1_36 [L139] COND FALSE !(4u < (var_1_21 & var_1_36)) [L142] COND TRUE var_1_21 >= var_1_22 [L143] var_1_41 = var_1_8 [L210] RET step() [L211] CALL, EXPR property() [L201] EXPR ((((var_1_12 > ((var_1_3 - var_1_4) / ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_7 ? (var_1_1 == ((double) var_1_8)) : (var_1_1 == ((double) var_1_8))) : (var_1_1 == ((double) var_1_8))) && ((var_1_1 < (var_1_4 - var_1_3)) ? (var_1_9 == ((unsigned long int) (var_1_10 - var_1_16))) : 1)) && (((((((last_1_var_1_19 / 2)) > ((~ last_1_var_1_16))) ? ((last_1_var_1_19 / 2)) : ((~ last_1_var_1_16)))) <= var_1_10) ? (var_1_12 == ((float) var_1_8)) : 1)) && (((var_1_26 >> var_1_10) < last_1_var_1_13) ? (var_1_13 == ((signed long int) ((((var_1_26) < (var_1_22)) ? (var_1_26) : (var_1_22))))) : 1) [L201-L202] return (((((((((var_1_12 > ((var_1_3 - var_1_4) / ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_7 ? (var_1_1 == ((double) var_1_8)) : (var_1_1 == ((double) var_1_8))) : (var_1_1 == ((double) var_1_8))) && ((var_1_1 < (var_1_4 - var_1_3)) ? (var_1_9 == ((unsigned long int) (var_1_10 - var_1_16))) : 1)) && (((((((last_1_var_1_19 / 2)) > ((~ last_1_var_1_16))) ? ((last_1_var_1_19 / 2)) : ((~ last_1_var_1_16)))) <= var_1_10) ? (var_1_12 == ((float) var_1_8)) : 1)) && (((var_1_26 >> var_1_10) < last_1_var_1_13) ? (var_1_13 == ((signed long int) ((((var_1_26) < (var_1_22)) ? (var_1_26) : (var_1_22))))) : 1)) && ((var_1_3 >= (last_1_var_1_12 * var_1_4)) ? (var_1_16 == ((unsigned char) var_1_18)) : 1)) && ((var_1_7 && var_1_20) ? (var_1_19 == ((signed long int) ((1827081742 - var_1_13) - (var_1_21 - (var_1_18 + var_1_16))))) : ((2u >= ((((var_1_21) > (var_1_9)) ? (var_1_21) : (var_1_9)))) ? (var_1_19 == ((signed long int) var_1_22)) : (var_1_19 == ((signed long int) var_1_22))))) && (var_1_22 == ((unsigned char) ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))))) && ((var_1_1 > var_1_5) ? (var_1_23 == ((signed char) (((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) < 0 ) ? -((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) : ((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))) : (var_1_23 == ((signed char) var_1_24)))) && (var_1_26 == ((signed long int) var_1_25)) ; [L211] RET, EXPR property() [L211] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=323/5, var_1_13=4, var_1_16=4, var_1_18=4, var_1_19=4, var_1_1=323/5, var_1_20=1, var_1_21=1827081742, var_1_22=4, var_1_23=4, var_1_24=4, var_1_25=4, var_1_26=4, var_1_27=323/5, var_1_32=2, var_1_33=4, var_1_35=1, var_1_36=128, var_1_37=127, var_1_38=4, var_1_41=323/5, var_1_42=1, var_1_43=4, var_1_45=-63, var_1_46=-63, var_1_7=1, var_1_8=323/5, var_1_9=32] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=2147483647, var_1_12=323/5, var_1_13=4, var_1_16=4, var_1_18=4, var_1_19=4, var_1_1=323/5, var_1_20=1, var_1_21=1827081742, var_1_22=4, var_1_23=4, var_1_24=4, var_1_25=4, var_1_26=4, var_1_27=323/5, var_1_32=2, var_1_33=4, var_1_35=1, var_1_36=128, var_1_37=127, var_1_38=4, var_1_41=323/5, var_1_42=1, var_1_43=4, var_1_45=-63, var_1_46=-63, var_1_7=1, var_1_8=323/5, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 29, 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=54occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 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 21:20:36,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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_8504c687-f5cb-403f-8add-520cea816979/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 35780d402b91c5b73506e2466a9e91dd4364830ec2d381147e0a7dde92782217 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:39,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:39,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:20:39,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:39,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:39,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:39,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:39,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:39,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:39,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:39,272 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:39,272 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:39,273 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:39,274 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:39,274 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:39,275 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:39,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:39,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:39,278 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:20:39,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:20:39,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:39,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:39,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:39,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:39,281 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:20:39,282 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:20:39,282 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:20:39,283 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:20:39,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:39,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:39,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:39,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:20:39,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:39,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:39,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:39,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:39,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:39,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:39,287 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:20:39,287 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:20:39,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:39,288 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:39,288 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:39,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:39,289 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_8504c687-f5cb-403f-8add-520cea816979/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35780d402b91c5b73506e2466a9e91dd4364830ec2d381147e0a7dde92782217 [2023-11-23 21:20:39,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:39,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:39,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:39,765 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:39,765 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:39,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i [2023-11-23 21:20:42,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:43,271 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:43,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i [2023-11-23 21:20:43,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/data/f2f56f13e/171d57726ce24acdb88e897c8b4891ca/FLAG43f49706c [2023-11-23 21:20:43,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/data/f2f56f13e/171d57726ce24acdb88e897c8b4891ca [2023-11-23 21:20:43,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:43,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:43,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:43,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:43,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:43,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:43,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408f27ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43, skipping insertion in model container [2023-11-23 21:20:43,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:43,377 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:43,562 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_8504c687-f5cb-403f-8add-520cea816979/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i[919,932] [2023-11-23 21:20:43,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:43,715 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:43,738 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_8504c687-f5cb-403f-8add-520cea816979/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i[919,932] [2023-11-23 21:20:43,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:43,845 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:43,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43 WrapperNode [2023-11-23 21:20:43,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:43,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:43,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:43,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:43,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:43,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:43,941 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 203 [2023-11-23 21:20:43,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:43,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:43,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:43,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:43,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:43,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:43,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:43,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:43,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:43,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:44,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:44,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:44,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:44,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:44,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:44,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:44,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43" (1/1) ... [2023-11-23 21:20:44,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:44,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:44,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:44,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:20:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:44,241 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:44,244 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:55,844 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:55,918 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:55,918 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:55,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:55 BoogieIcfgContainer [2023-11-23 21:20:55,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:55,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:55,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:55,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:55,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:43" (1/3) ... [2023-11-23 21:20:55,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8eea27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:55, skipping insertion in model container [2023-11-23 21:20:55,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:43" (2/3) ... [2023-11-23 21:20:55,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8eea27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:55, skipping insertion in model container [2023-11-23 21:20:55,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:55" (3/3) ... [2023-11-23 21:20:55,935 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-73.i [2023-11-23 21:20:55,955 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:55,956 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:56,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:56,027 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;@53c99838, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:56,027 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 49 states have (on average 1.530612244897959) internal successors, (75), 50 states have internal predecessors, (75), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:20:56,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-23 21:20:56,051 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:56,052 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:20:56,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:56,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:56,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1960730207, now seen corresponding path program 1 times [2023-11-23 21:20:56,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:20:56,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [570613587] [2023-11-23 21:20:56,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:56,094 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 21:20:56,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:20:56,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:20:56,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:20:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:57,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:20:57,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:20:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 740 proven. 0 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2023-11-23 21:20:57,858 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:20:57,858 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:20:57,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [570613587] [2023-11-23 21:20:57,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [570613587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:57,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:57,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:20:57,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146577737] [2023-11-23 21:20:57,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:57,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:20:57,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:20:57,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:20:57,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:20:57,904 INFO L87 Difference]: Start difference. First operand has 81 states, 49 states have (on average 1.530612244897959) internal successors, (75), 50 states have internal predecessors, (75), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:21:00,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:00,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:00,102 INFO L93 Difference]: Finished difference Result 159 states and 293 transitions. [2023-11-23 21:21:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:21:00,153 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 182 [2023-11-23 21:21:00,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:00,164 INFO L225 Difference]: With dead ends: 159 [2023-11-23 21:21:00,164 INFO L226 Difference]: Without dead ends: 79 [2023-11-23 21:21:00,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 181 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 21:21:00,173 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:00,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 21:21:00,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-23 21:21:00,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-23 21:21:00,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:21:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 128 transitions. [2023-11-23 21:21:00,234 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 128 transitions. Word has length 182 [2023-11-23 21:21:00,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:00,234 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 128 transitions. [2023-11-23 21:21:00,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:21:00,235 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2023-11-23 21:21:00,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-23 21:21:00,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:00,240 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:00,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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)] Ended with exit code 0 [2023-11-23 21:21:00,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:00,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:00,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:00,442 INFO L85 PathProgramCache]: Analyzing trace with hash -2080042785, now seen corresponding path program 1 times [2023-11-23 21:21:00,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:00,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448054597] [2023-11-23 21:21:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:00,444 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 21:21:00,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:00,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:00,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:01,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:21:01,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:21:02,067 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:02,067 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:02,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448054597] [2023-11-23 21:21:02,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448054597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:02,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:02,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:21:02,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62839595] [2023-11-23 21:21:02,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:02,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:21:02,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:02,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:21:02,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:21:02,072 INFO L87 Difference]: Start difference. First operand 79 states and 128 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:21:04,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:06,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:08,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:08,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:08,516 INFO L93 Difference]: Finished difference Result 194 states and 312 transitions. [2023-11-23 21:21:08,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:21:08,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 182 [2023-11-23 21:21:08,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:08,520 INFO L225 Difference]: With dead ends: 194 [2023-11-23 21:21:08,521 INFO L226 Difference]: Without dead ends: 116 [2023-11-23 21:21:08,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 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 21:21:08,524 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 46 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:08,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 260 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 6.4s Time] [2023-11-23 21:21:08,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-23 21:21:08,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2023-11-23 21:21:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 75 states have (on average 1.44) internal successors, (108), 76 states have internal predecessors, (108), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-23 21:21:08,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 178 transitions. [2023-11-23 21:21:08,572 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 178 transitions. Word has length 182 [2023-11-23 21:21:08,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:08,576 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 178 transitions. [2023-11-23 21:21:08,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:21:08,581 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2023-11-23 21:21:08,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-23 21:21:08,590 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:08,591 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:08,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:08,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:08,792 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:08,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:08,792 INFO L85 PathProgramCache]: Analyzing trace with hash 565993078, now seen corresponding path program 1 times [2023-11-23 21:21:08,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:08,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942557316] [2023-11-23 21:21:08,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:08,794 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 21:21:08,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:08,795 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:08,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:10,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:21:10,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:21:10,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:10,678 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:10,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942557316] [2023-11-23 21:21:10,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942557316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:10,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:10,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:21:10,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958716114] [2023-11-23 21:21:10,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:10,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:21:10,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:10,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:21:10,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:21:10,682 INFO L87 Difference]: Start difference. First operand 113 states and 178 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:21:13,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:21:16,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:21:19,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:21,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:21:21,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:21,672 INFO L93 Difference]: Finished difference Result 316 states and 490 transitions. [2023-11-23 21:21:21,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:21:21,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 183 [2023-11-23 21:21:21,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:21,678 INFO L225 Difference]: With dead ends: 316 [2023-11-23 21:21:21,678 INFO L226 Difference]: Without dead ends: 204 [2023-11-23 21:21:21,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 179 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:21:21,681 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 156 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 18 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:21,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 249 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 51 Invalid, 4 Unknown, 0 Unchecked, 11.0s Time] [2023-11-23 21:21:21,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2023-11-23 21:21:21,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 150. [2023-11-23 21:21:21,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 105 states have internal predecessors, (147), 43 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-23 21:21:21,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 233 transitions. [2023-11-23 21:21:21,713 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 233 transitions. Word has length 183 [2023-11-23 21:21:21,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:21,714 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 233 transitions. [2023-11-23 21:21:21,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:21:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 233 transitions. [2023-11-23 21:21:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-23 21:21:21,718 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:21,718 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:21,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:21,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:21,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:21,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:21,932 INFO L85 PathProgramCache]: Analyzing trace with hash -114065292, now seen corresponding path program 1 times [2023-11-23 21:21:21,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:21,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361549258] [2023-11-23 21:21:21,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:21,933 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 21:21:21,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:21,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:21,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:23,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:21:23,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:21:23,491 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:23,492 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:23,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361549258] [2023-11-23 21:21:23,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361549258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:23,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:23,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:21:23,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885870212] [2023-11-23 21:21:23,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:23,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:21:23,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:23,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:21:23,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:21:23,495 INFO L87 Difference]: Start difference. First operand 150 states and 233 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:21:25,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:27,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:29,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:29,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:29,908 INFO L93 Difference]: Finished difference Result 303 states and 462 transitions. [2023-11-23 21:21:29,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:21:29,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 183 [2023-11-23 21:21:29,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:29,913 INFO L225 Difference]: With dead ends: 303 [2023-11-23 21:21:29,913 INFO L226 Difference]: Without dead ends: 167 [2023-11-23 21:21:29,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 181 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 21:21:29,915 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 49 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:29,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 238 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 3 Unknown, 0 Unchecked, 6.4s Time] [2023-11-23 21:21:29,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-23 21:21:29,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 144. [2023-11-23 21:21:29,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 102 states have (on average 1.392156862745098) internal successors, (142), 103 states have internal predecessors, (142), 37 states have call successors, (37), 4 states have call predecessors, (37), 4 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:21:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 216 transitions. [2023-11-23 21:21:29,938 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 216 transitions. Word has length 183 [2023-11-23 21:21:29,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:29,939 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 216 transitions. [2023-11-23 21:21:29,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:21:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 216 transitions. [2023-11-23 21:21:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-23 21:21:29,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:29,960 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:29,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:30,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:30,176 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:30,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:30,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1056301586, now seen corresponding path program 1 times [2023-11-23 21:21:30,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:30,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495734630] [2023-11-23 21:21:30,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:30,178 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 21:21:30,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:30,179 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:30,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8504c687-f5cb-403f-8add-520cea816979/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 21:21:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:31,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 21:21:31,547 INFO L285 TraceCheckSpWp]: Computing forward predicates...