./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.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_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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_501dae37-732d-4478-b33d-4ec3e91d4016/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 b198c2e9899cdd18ef24e3a73621a4aef3e13c5394aa42c7346238e62ac07c4d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:34,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:34,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:18:34,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:34,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:34,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:34,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:34,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:34,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:34,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:34,320 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:34,321 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:34,321 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:34,322 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:34,322 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:34,323 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:34,324 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:34,324 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:34,325 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:34,326 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:34,326 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:34,327 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:34,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:34,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:34,329 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:34,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:34,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:34,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:34,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:34,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:34,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:34,333 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:34,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:34,334 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:34,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:34,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:34,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:34,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:34,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:34,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:34,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:34,338 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:34,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:34,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:34,338 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:34,339 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:34,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:34,339 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_501dae37-732d-4478-b33d-4ec3e91d4016/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b198c2e9899cdd18ef24e3a73621a4aef3e13c5394aa42c7346238e62ac07c4d [2023-11-23 21:18:34,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:34,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:34,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:34,634 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:34,634 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:34,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.i [2023-11-23 21:18:38,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:38,263 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:38,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.i [2023-11-23 21:18:38,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/data/c81881d84/7998f0f7dea64442b50ec4c925eae784/FLAG892d400f0 [2023-11-23 21:18:38,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/data/c81881d84/7998f0f7dea64442b50ec4c925eae784 [2023-11-23 21:18:38,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:38,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:38,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:38,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:38,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:38,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207ed564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38, skipping insertion in model container [2023-11-23 21:18:38,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,348 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:38,498 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_501dae37-732d-4478-b33d-4ec3e91d4016/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.i[919,932] [2023-11-23 21:18:38,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:38,587 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:38,606 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_501dae37-732d-4478-b33d-4ec3e91d4016/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.i[919,932] [2023-11-23 21:18:38,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:38,679 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:38,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38 WrapperNode [2023-11-23 21:18:38,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:38,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:38,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:38,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:38,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,752 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-11-23 21:18:38,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:38,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:38,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:38,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:38,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:38,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:38,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:38,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:38,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (1/1) ... [2023-11-23 21:18:38,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:38,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:38,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:38,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:18:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:18:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:39,016 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:39,018 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:39,532 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:39,874 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:39,874 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:18:39,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:39 BoogieIcfgContainer [2023-11-23 21:18:39,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:39,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:39,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:39,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:39,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:38" (1/3) ... [2023-11-23 21:18:39,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356d50b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:39, skipping insertion in model container [2023-11-23 21:18:39,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:38" (2/3) ... [2023-11-23 21:18:39,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356d50b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:39, skipping insertion in model container [2023-11-23 21:18:39,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:39" (3/3) ... [2023-11-23 21:18:39,891 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.i [2023-11-23 21:18:39,917 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:39,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:39,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:39,987 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;@f56470e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:39,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:18:40,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-23 21:18:40,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:40,010 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:18:40,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:40,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:40,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1526418932, now seen corresponding path program 1 times [2023-11-23 21:18:40,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:40,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908578445] [2023-11-23 21:18:40,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:40,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:40,307 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:18:40,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133290992] [2023-11-23 21:18:40,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:40,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:18:40,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:40,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:18:40,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:18:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:40,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:18:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:40,935 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:18:40,938 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:18:40,939 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:18:40,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:41,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:18:41,167 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:18:41,172 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:18:41,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:41 BoogieIcfgContainer [2023-11-23 21:18:41,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:41,338 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:41,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:41,338 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:41,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:39" (3/4) ... [2023-11-23 21:18:41,341 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:18:41,342 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:41,344 INFO L158 Benchmark]: Toolchain (without parser) took 3038.03ms. Allocated memory is still 165.7MB. Free memory was 122.7MB in the beginning and 98.9MB in the end (delta: 23.7MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-11-23 21:18:41,344 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:41,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.45ms. Allocated memory is still 165.7MB. Free memory was 122.4MB in the beginning and 107.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:18:41,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.69ms. Allocated memory is still 165.7MB. Free memory was 107.0MB in the beginning and 103.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:18:41,347 INFO L158 Benchmark]: Boogie Preprocessor took 47.99ms. Allocated memory is still 165.7MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:41,347 INFO L158 Benchmark]: RCFGBuilder took 1073.85ms. Allocated memory is still 165.7MB. Free memory was 100.8MB in the beginning and 87.5MB in the end (delta: 13.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-23 21:18:41,348 INFO L158 Benchmark]: TraceAbstraction took 1457.75ms. Allocated memory is still 165.7MB. Free memory was 86.9MB in the beginning and 98.9MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:41,348 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 165.7MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:41,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.45ms. Allocated memory is still 165.7MB. Free memory was 122.4MB in the beginning and 107.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.69ms. Allocated memory is still 165.7MB. Free memory was 107.0MB in the beginning and 103.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.99ms. Allocated memory is still 165.7MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1073.85ms. Allocated memory is still 165.7MB. Free memory was 100.8MB in the beginning and 87.5MB in the end (delta: 13.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1457.75ms. Allocated memory is still 165.7MB. Free memory was 86.9MB in the beginning and 98.9MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 165.7MB. Free memory is still 98.9MB. 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 55, overapproximation of shiftRight at line 67, overapproximation of someBinaryArithmeticFLOAToperation at line 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.9; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 31.5; [L26] float var_1_5 = 25.4; [L27] float var_1_6 = 9.5; [L28] float var_1_7 = 63.2; [L29] unsigned long int var_1_8 = 1; [L30] signed short int var_1_10 = -50; [L31] unsigned long int var_1_11 = 8; [L32] unsigned char var_1_12 = 32; [L33] float var_1_13 = 15.625; [L34] unsigned char var_1_14 = 1; [L35] unsigned char var_1_15 = 0; [L36] unsigned char var_1_16 = 1; [L37] unsigned char var_1_17 = 1; [L38] unsigned char var_1_19 = 0; [L39] unsigned char var_1_20 = 8; [L40] unsigned short int var_1_21 = 16; [L41] unsigned short int var_1_22 = 128; [L42] signed short int var_1_23 = 128; [L43] unsigned short int var_1_25 = 32; [L44] unsigned char var_1_29 = 1; [L45] unsigned long int var_1_31 = 0; [L46] unsigned char var_1_32 = 1; [L47] unsigned short int var_1_33 = 1000; [L48] signed char var_1_38 = 25; [L49] unsigned short int var_1_39 = 200; [L50] unsigned char var_1_43 = 10; [L51] unsigned char var_1_47 = 0; [L181] isInitial = 1 [L182] FCALL initially() [L183] COND TRUE 1 [L184] FCALL updateLastVariables() [L185] CALL updateVariables() [L133] var_1_2 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L135] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L136] var_1_3 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L138] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L139] var_1_4 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L141] var_1_5 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L143] var_1_6 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L145] var_1_7 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L147] var_1_11 = __VERIFIER_nondet_ulong() [L148] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L149] CALL assume_abort_if_not(var_1_11 <= 33) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_11 <= 33) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L150] var_1_13 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L152] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L153] var_1_15 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L155] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L156] var_1_16 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L158] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L159] var_1_17 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L161] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L162] var_1_19 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L164] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L165] var_1_33 = __VERIFIER_nondet_ushort() [L166] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L167] CALL assume_abort_if_not(var_1_33 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_33 <= 65535) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L168] CALL assume_abort_if_not(var_1_33 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_33 != 0) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L169] var_1_39 = __VERIFIER_nondet_ushort() [L170] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L171] CALL assume_abort_if_not(var_1_39 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_39 <= 65535) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L172] CALL assume_abort_if_not(var_1_39 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_39 != 0) VAL [isInitial=1, var_1_10=-50, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L185] RET updateVariables() [L186] CALL step() [L55] COND FALSE !(var_1_6 == (var_1_4 / var_1_13)) [L58] var_1_47 = var_1_11 [L59] var_1_20 = var_1_11 [L60] COND TRUE var_1_11 >= var_1_21 [L61] var_1_31 = ((((var_1_21) > (((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12))))) ? (var_1_21) : (((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) [L63] COND TRUE ((((var_1_21) < (var_1_33)) ? (var_1_21) : (var_1_33))) < (var_1_39 + var_1_11) [L64] var_1_43 = ((((var_1_11) < ((((((100 + var_1_11)) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? ((100 + var_1_11)) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))))) ? (var_1_11) : ((((((100 + var_1_11)) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? ((100 + var_1_11)) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))))) [L66] var_1_21 = 8 [L67] EXPR 2u >> var_1_11 [L67] COND TRUE (var_1_21 + var_1_12) > (2u >> var_1_11) [L68] COND TRUE var_1_12 != var_1_21 [L69] var_1_10 = var_1_11 [L74] COND FALSE !(var_1_11 < var_1_11) [L79] COND FALSE !(! var_1_2) [L90] unsigned char stepLocal_1 = var_1_14; [L91] unsigned char stepLocal_0 = var_1_14; [L92] COND TRUE var_1_14 || stepLocal_0 [L93] COND TRUE stepLocal_1 || var_1_14 [L94] var_1_1 = (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7) [L101] COND FALSE !(var_1_6 > (- var_1_7)) [L106] var_1_8 = var_1_20 [L108] var_1_22 = var_1_8 [L109] var_1_23 = var_1_12 [L110] var_1_29 = var_1_19 [L111] COND FALSE !(var_1_12 < (~ (var_1_12 / var_1_33))) [L120] COND FALSE !(var_1_12 < (var_1_12 / var_1_33)) [L123] var_1_32 = ((! var_1_19) && var_1_15) [L126] COND FALSE !(\read(var_1_19)) [L186] RET step() [L187] CALL, EXPR property() [L177] EXPR (((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1) [L177] EXPR 2u >> var_1_11 [L177] EXPR (((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1) [L177-L178] return ((((((((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1)) && ((var_1_6 == (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned char) var_1_11)) : 1)) && ((! var_1_2) ? ((var_1_2 || var_1_3) ? (var_1_14 == ((unsigned char) ((! (! var_1_15)) && (var_1_16 && var_1_17)))) : ((((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))) >= var_1_21) ? (var_1_14 == ((unsigned char) (var_1_2 || var_1_16))) : (var_1_14 == ((unsigned char) (! var_1_19))))) : 1)) && (var_1_20 == ((unsigned char) var_1_11))) && (var_1_21 == ((unsigned short int) 8))) && (var_1_22 == ((unsigned short int) var_1_8)) ; [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=0, var_1_20=16, var_1_21=8, var_1_22=16, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=32, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=16, var_1_47=16, var_1_7=0, var_1_8=16] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=0, var_1_20=16, var_1_21=8, var_1_22=16, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=32, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=16, var_1_47=16, var_1_7=0, var_1_8=16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 26, 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=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 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 21:18:41,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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_501dae37-732d-4478-b33d-4ec3e91d4016/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 b198c2e9899cdd18ef24e3a73621a4aef3e13c5394aa42c7346238e62ac07c4d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:44,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:44,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:18:44,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:44,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:44,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:44,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:44,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:44,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:44,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:44,324 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:44,325 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:44,325 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:44,327 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:44,327 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:44,328 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:44,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:44,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:44,330 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:44,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:44,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:44,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:44,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:44,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:44,334 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:18:44,334 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:18:44,335 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:18:44,335 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:44,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:44,336 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:44,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:44,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:18:44,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:44,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:44,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:44,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:44,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:44,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:44,340 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:18:44,341 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:18:44,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:44,342 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:44,342 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:44,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:44,343 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_501dae37-732d-4478-b33d-4ec3e91d4016/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b198c2e9899cdd18ef24e3a73621a4aef3e13c5394aa42c7346238e62ac07c4d [2023-11-23 21:18:44,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:44,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:44,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:44,789 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:44,793 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:44,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.i [2023-11-23 21:18:48,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:48,455 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:48,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.i [2023-11-23 21:18:48,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/data/279273f7b/8f8056f7a38d4d18918804100d5a4448/FLAG9f6cad995 [2023-11-23 21:18:48,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/data/279273f7b/8f8056f7a38d4d18918804100d5a4448 [2023-11-23 21:18:48,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:48,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:48,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:48,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:48,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:48,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:48,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2f33a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48, skipping insertion in model container [2023-11-23 21:18:48,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:48,560 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:48,707 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_501dae37-732d-4478-b33d-4ec3e91d4016/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.i[919,932] [2023-11-23 21:18:48,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:48,810 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:48,822 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_501dae37-732d-4478-b33d-4ec3e91d4016/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.i[919,932] [2023-11-23 21:18:48,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:48,888 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:48,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48 WrapperNode [2023-11-23 21:18:48,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:48,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:48,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:48,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:48,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:48,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:48,977 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2023-11-23 21:18:48,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:48,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:48,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:48,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:48,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:48,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:49,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:49,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:49,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:49,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:49,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:49,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:49,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:49,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:49,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:49,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:49,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48" (1/1) ... [2023-11-23 21:18:49,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:49,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:49,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:49,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:18:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:18:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:18:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:49,321 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:49,323 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:54,426 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:54,510 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:54,511 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:18:54,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:54 BoogieIcfgContainer [2023-11-23 21:18:54,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:54,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:54,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:54,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:54,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:48" (1/3) ... [2023-11-23 21:18:54,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dfdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:54, skipping insertion in model container [2023-11-23 21:18:54,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:48" (2/3) ... [2023-11-23 21:18:54,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dfdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:54, skipping insertion in model container [2023-11-23 21:18:54,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:54" (3/3) ... [2023-11-23 21:18:54,521 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-27.i [2023-11-23 21:18:54,540 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:54,540 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:54,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:54,593 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;@2b1afb00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:54,593 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:54,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 49 states have internal predecessors, (73), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:18:54,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 21:18:54,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:54,631 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:18:54,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:54,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:54,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1664657991, now seen corresponding path program 1 times [2023-11-23 21:18:54,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:18:54,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183657212] [2023-11-23 21:18:54,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:54,654 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 21:18:54,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:18:54,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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 21:18:54,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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 21:18:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:55,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:18:55,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:55,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2023-11-23 21:18:55,350 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:18:55,351 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:18:55,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183657212] [2023-11-23 21:18:55,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183657212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:55,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:55,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:18:55,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962578237] [2023-11-23 21:18:55,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:55,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:18:55,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:18:55,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:18:55,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:18:55,394 INFO L87 Difference]: Start difference. First operand has 77 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 49 states have internal predecessors, (73), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 21:18:57,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:57,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:57,540 INFO L93 Difference]: Finished difference Result 148 states and 268 transitions. [2023-11-23 21:18:57,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:18:57,574 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2023-11-23 21:18:57,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:57,582 INFO L225 Difference]: With dead ends: 148 [2023-11-23 21:18:57,582 INFO L226 Difference]: Without dead ends: 72 [2023-11-23 21:18:57,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 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 21:18:57,590 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:57,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 21:18:57,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-23 21:18:57,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-23 21:18:57,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 44 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:18:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 110 transitions. [2023-11-23 21:18:57,654 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 110 transitions. Word has length 164 [2023-11-23 21:18:57,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:57,655 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 110 transitions. [2023-11-23 21:18:57,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 21:18:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2023-11-23 21:18:57,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 21:18:57,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:57,663 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:18:57,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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 21:18:57,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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 21:18:57,866 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:57,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:57,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1877403075, now seen corresponding path program 1 times [2023-11-23 21:18:57,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:18:57,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180247210] [2023-11-23 21:18:57,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:57,873 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 21:18:57,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:18:57,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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 21:18:57,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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 21:18:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:58,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:18:58,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:59,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 619 proven. 48 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-11-23 21:18:59,533 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:18:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-23 21:18:59,779 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:18:59,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180247210] [2023-11-23 21:18:59,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180247210] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 21:18:59,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:18:59,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-11-23 21:18:59,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113335775] [2023-11-23 21:18:59,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:59,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:59,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:18:59,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:59,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:18:59,785 INFO L87 Difference]: Start difference. First operand 72 states and 110 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:19:02,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:02,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:02,895 INFO L93 Difference]: Finished difference Result 147 states and 222 transitions. [2023-11-23 21:19:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:02,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2023-11-23 21:19:02,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:02,903 INFO L225 Difference]: With dead ends: 147 [2023-11-23 21:19:02,903 INFO L226 Difference]: Without dead ends: 76 [2023-11-23 21:19:02,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:19:02,906 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 55 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:02,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 142 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-11-23 21:19:02,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-23 21:19:02,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-23 21:19:02,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 47 states have internal predecessors, (60), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:19:02,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 112 transitions. [2023-11-23 21:19:02,927 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 112 transitions. Word has length 164 [2023-11-23 21:19:02,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:02,928 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 112 transitions. [2023-11-23 21:19:02,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:19:02,929 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 112 transitions. [2023-11-23 21:19:02,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-23 21:19:02,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:02,933 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:02,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:03,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:19:03,148 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:03,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:03,149 INFO L85 PathProgramCache]: Analyzing trace with hash 303170293, now seen corresponding path program 1 times [2023-11-23 21:19:03,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:03,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206669737] [2023-11-23 21:19:03,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:03,150 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:19:03,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:03,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:19:03,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:19:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:03,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:19:03,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:04,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-23 21:19:04,947 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:04,947 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:04,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [206669737] [2023-11-23 21:19:04,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [206669737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:04,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:04,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:19:04,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626505645] [2023-11-23 21:19:04,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:04,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:04,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:04,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:04,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:04,951 INFO L87 Difference]: Start difference. First operand 76 states and 112 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:19:07,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:08,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:08,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:08,637 INFO L93 Difference]: Finished difference Result 226 states and 334 transitions. [2023-11-23 21:19:08,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:08,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-11-23 21:19:08,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:08,642 INFO L225 Difference]: With dead ends: 226 [2023-11-23 21:19:08,642 INFO L226 Difference]: Without dead ends: 151 [2023-11-23 21:19:08,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:08,644 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 23 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:08,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 201 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2023-11-23 21:19:08,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-23 21:19:08,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2023-11-23 21:19:08,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 90 states have (on average 1.2444444444444445) internal successors, (112), 90 states have internal predecessors, (112), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-23 21:19:08,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 216 transitions. [2023-11-23 21:19:08,717 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 216 transitions. Word has length 165 [2023-11-23 21:19:08,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:08,721 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 216 transitions. [2023-11-23 21:19:08,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-23 21:19:08,721 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2023-11-23 21:19:08,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-23 21:19:08,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:08,730 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:08,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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 21:19:08,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:19:08,944 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:08,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:08,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1492350447, now seen corresponding path program 1 times [2023-11-23 21:19:08,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:08,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641377789] [2023-11-23 21:19:08,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:08,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:19:08,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:08,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:19:09,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/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 21:19:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:09,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:19:09,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:14,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 46 proven. 576 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2023-11-23 21:19:14,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:19:15,505 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:15,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641377789] [2023-11-23 21:19:15,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641377789] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:19:15,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [981796440] [2023-11-23 21:19:15,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:15,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:15,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:19:15,517 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:19:15,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501dae37-732d-4478-b33d-4ec3e91d4016/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 21:19:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:17,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-23 21:19:17,102 INFO L285 TraceCheckSpWp]: Computing forward predicates...