./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ --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 8352a0aa87274c00874f99869d6c87f4f238fc6c9b4e1ea6c336d2510c47379f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:00,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:01,133 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:58:01,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:01,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:01,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:01,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:01,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:01,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:01,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:01,210 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:01,211 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:01,212 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:01,214 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:58:01,215 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:01,215 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:01,216 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:58:01,216 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:58:01,217 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:01,217 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:58:01,218 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:58:01,219 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:58:01,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:01,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:01,221 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:01,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:58:01,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:01,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:01,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:01,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:01,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:01,226 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:01,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:01,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:01,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:01,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:01,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:01,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:01,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:01,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:01,229 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:58:01,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:58:01,230 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:01,230 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:01,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:01,231 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_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8352a0aa87274c00874f99869d6c87f4f238fc6c9b4e1ea6c336d2510c47379f [2023-11-19 04:58:01,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:01,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:01,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:01,660 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:01,661 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:01,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i [2023-11-19 04:58:04,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:05,282 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:05,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i [2023-11-19 04:58:05,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/data/f2d750ac6/c5724012b8ae406297fd80b6d4f63517/FLAG16ae9e9f2 [2023-11-19 04:58:05,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/data/f2d750ac6/c5724012b8ae406297fd80b6d4f63517 [2023-11-19 04:58:05,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:05,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:05,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:05,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:05,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:05,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a8adcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05, skipping insertion in model container [2023-11-19 04:58:05,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,371 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:05,583 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_cd267f7e-8ef3-4df2-922b-e401e07092c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i[913,926] [2023-11-19 04:58:05,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:05,711 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:58:05,728 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_cd267f7e-8ef3-4df2-922b-e401e07092c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i[913,926] [2023-11-19 04:58:05,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:05,786 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:58:05,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05 WrapperNode [2023-11-19 04:58:05,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:05,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:05,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:58:05,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:58:05,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,872 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2023-11-19 04:58:05,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:05,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:58:05,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:58:05,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:58:05,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:58:05,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:58:05,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:58:05,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:58:05,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05" (1/1) ... [2023-11-19 04:58:05,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:05,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:05,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:58:06,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:58:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:58:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:58:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:58:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:58:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:58:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:58:06,157 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:58:06,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:58:06,629 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:58:06,896 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:58:06,896 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:58:06,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:06 BoogieIcfgContainer [2023-11-19 04:58:06,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:58:06,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:58:06,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:58:06,916 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:58:06,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:58:05" (1/3) ... [2023-11-19 04:58:06,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53426ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:06, skipping insertion in model container [2023-11-19 04:58:06,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:05" (2/3) ... [2023-11-19 04:58:06,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53426ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:06, skipping insertion in model container [2023-11-19 04:58:06,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:06" (3/3) ... [2023-11-19 04:58:06,923 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-25.i [2023-11-19 04:58:06,947 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:58:06,947 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:58:07,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:58:07,029 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;@4135e4c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:58:07,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:58:07,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 04:58:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 04:58:07,051 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:07,053 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:07,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:07,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:07,062 INFO L85 PathProgramCache]: Analyzing trace with hash 868867833, now seen corresponding path program 1 times [2023-11-19 04:58:07,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:07,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128107515] [2023-11-19 04:58:07,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:07,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:07,332 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:58:07,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [818202610] [2023-11-19 04:58:07,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:07,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:07,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:07,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:58:07,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:58:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:58:07,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:58:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:58:07,959 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:58:07,962 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:58:07,963 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:58:07,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:08,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:58:08,175 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:58:08,179 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:58:08,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:58:08 BoogieIcfgContainer [2023-11-19 04:58:08,312 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:58:08,313 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:58:08,313 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:58:08,313 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:58:08,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:06" (3/4) ... [2023-11-19 04:58:08,318 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:58:08,320 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:58:08,321 INFO L158 Benchmark]: Toolchain (without parser) took 2996.93ms. Allocated memory is still 144.7MB. Free memory was 111.2MB in the beginning and 58.8MB in the end (delta: 52.5MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2023-11-19 04:58:08,322 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:08,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.98ms. Allocated memory is still 144.7MB. Free memory was 111.2MB in the beginning and 97.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:58:08,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.84ms. Allocated memory is still 144.7MB. Free memory was 97.4MB in the beginning and 94.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:58:08,327 INFO L158 Benchmark]: Boogie Preprocessor took 67.06ms. Allocated memory is still 144.7MB. Free memory was 94.0MB in the beginning and 92.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:58:08,327 INFO L158 Benchmark]: RCFGBuilder took 965.57ms. Allocated memory is still 144.7MB. Free memory was 92.4MB in the beginning and 101.4MB in the end (delta: -9.1MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-11-19 04:58:08,328 INFO L158 Benchmark]: TraceAbstraction took 1400.01ms. Allocated memory is still 144.7MB. Free memory was 100.7MB in the beginning and 58.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 04:58:08,328 INFO L158 Benchmark]: Witness Printer took 7.64ms. Allocated memory is still 144.7MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:08,331 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.98ms. Allocated memory is still 144.7MB. Free memory was 111.2MB in the beginning and 97.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.84ms. Allocated memory is still 144.7MB. Free memory was 97.4MB in the beginning and 94.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.06ms. Allocated memory is still 144.7MB. Free memory was 94.0MB in the beginning and 92.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 965.57ms. Allocated memory is still 144.7MB. Free memory was 92.4MB in the beginning and 101.4MB in the end (delta: -9.1MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1400.01ms. Allocated memory is still 144.7MB. Free memory was 100.7MB in the beginning and 58.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 7.64ms. Allocated memory is still 144.7MB. Free memory is still 58.8MB. 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 someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryArithmeticFLOAToperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 5; [L25] unsigned char var_1_4 = 5; [L26] signed short int var_1_5 = -256; [L27] unsigned char var_1_6 = 1; [L28] double var_1_7 = 256.25; [L29] double var_1_8 = 127.8; [L30] double var_1_9 = 100.5; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 0; [L33] float var_1_12 = 999.75; [L34] float var_1_13 = 64.5; [L35] float var_1_14 = 127.25; [L36] signed char var_1_15 = -32; [L37] float var_1_16 = 32.7; [L38] unsigned char var_1_17 = 16; [L39] unsigned char var_1_18 = 32; [L40] unsigned short int var_1_19 = 5; [L41] unsigned char var_1_20 = 0; [L42] signed long int var_1_21 = 100; [L43] signed short int var_1_22 = 50; [L44] double var_1_23 = 1000000.75; [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L97] var_1_2 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L99] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L100] var_1_3 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L102] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L103] var_1_4 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L105] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L106] var_1_6 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L108] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L109] var_1_7 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=639/5, var_1_9=201/2] [L111] var_1_8 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=201/2] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=201/2] [L113] var_1_9 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L115] var_1_11 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L117] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L118] var_1_13 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L120] var_1_14 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L122] var_1_15 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L124] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L125] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L126] var_1_16 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=7, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=7, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L128] var_1_18 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=7, var_1_17=16, var_1_18=16, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=7, var_1_17=16, var_1_18=16, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L130] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=7, var_1_17=16, var_1_18=16, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=7, var_1_17=16, var_1_18=16, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L131] var_1_20 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=7, var_1_17=16, var_1_18=16, var_1_19=5, var_1_1=-256, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=7, var_1_17=16, var_1_18=16, var_1_19=5, var_1_1=-256, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L133] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=7, var_1_17=16, var_1_18=16, var_1_19=5, var_1_1=-256, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=7, var_1_17=16, var_1_18=16, var_1_19=5, var_1_1=-256, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L146] RET updateVariables() [L147] CALL step() [L48] COND TRUE var_1_2 && (var_1_3 >= var_1_4) [L49] COND TRUE 256 != var_1_3 [L50] var_1_1 = (var_1_4 + var_1_3) [L59] COND FALSE !(var_1_2 && var_1_6) [L62] COND TRUE (var_1_7 - var_1_8) > var_1_9 [L63] var_1_5 = var_1_3 [L68] var_1_10 = (var_1_6 && var_1_11) [L69] COND TRUE ! (var_1_9 <= var_1_7) [L70] var_1_12 = ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))) [L78] COND TRUE var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L79] COND TRUE \read(var_1_2) [L80] var_1_17 = var_1_18 [L83] COND TRUE var_1_4 < var_1_18 [L84] var_1_19 = var_1_3 [L92] var_1_21 = var_1_4 [L93] var_1_22 = var_1_17 [L94] var_1_23 = var_1_14 [L147] RET step() [L148] CALL, EXPR property() [L138-L139] return (((((((((var_1_2 && (var_1_3 >= var_1_4)) ? ((256 != var_1_3) ? (var_1_1 == ((signed long int) (var_1_4 + var_1_3))) : 1) : ((var_1_4 >= var_1_3) ? (var_1_1 == ((signed long int) var_1_3)) : (var_1_1 == ((signed long int) var_1_4)))) && ((var_1_2 && var_1_6) ? (var_1_5 == ((signed short int) ((((var_1_4) < (-100)) ? (var_1_4) : (-100))))) : (((var_1_7 - var_1_8) > var_1_9) ? (var_1_5 == ((signed short int) var_1_3)) : (var_1_5 == ((signed short int) var_1_4))))) && (var_1_10 == ((unsigned char) (var_1_6 && var_1_11)))) && ((! (var_1_9 <= var_1_7)) ? (var_1_12 == ((float) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))))) : (((((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))) / var_1_15) < var_1_4) ? (var_1_12 == ((float) var_1_13)) : (var_1_12 == ((float) (var_1_16 + 49.6f)))))) && ((var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) ? (var_1_2 ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : 1)) && ((var_1_4 < var_1_18) ? (var_1_19 == ((unsigned short int) var_1_3)) : (((var_1_20 || var_1_10) || var_1_6) ? (var_1_19 == ((unsigned short int) var_1_3)) : (var_1_19 == ((unsigned short int) var_1_4))))) && (var_1_21 == ((signed long int) var_1_4))) && (var_1_22 == ((signed short int) var_1_17))) && (var_1_23 == ((double) var_1_14)) ; [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=5, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=7, var_1_17=16, var_1_18=16, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=6, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=5, var_1_13=5, var_1_14=6, var_1_15=2, var_1_16=7, var_1_17=16, var_1_18=16, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=6, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 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 [2023-11-19 04:58:08,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/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_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ --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 8352a0aa87274c00874f99869d6c87f4f238fc6c9b4e1ea6c336d2510c47379f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:11,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:11,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:58:11,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:11,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:11,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:11,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:11,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:11,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:11,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:11,242 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:11,243 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:11,244 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:11,245 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:11,246 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:11,246 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:11,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:11,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:11,249 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:11,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:11,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:11,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:11,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:11,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:11,252 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:58:11,253 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:58:11,253 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:58:11,254 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:11,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:11,255 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:11,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:11,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:58:11,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:11,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:11,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:11,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:11,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:11,259 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:58:11,259 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:58:11,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:11,260 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:11,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:11,261 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_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8352a0aa87274c00874f99869d6c87f4f238fc6c9b4e1ea6c336d2510c47379f [2023-11-19 04:58:11,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:11,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:11,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:11,656 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:11,657 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:11,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i [2023-11-19 04:58:15,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:15,647 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:15,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i [2023-11-19 04:58:15,669 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/data/b0c73d345/4fc2bfebe3bd499190914b4b42fc19e5/FLAGe1a6921f0 [2023-11-19 04:58:15,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/data/b0c73d345/4fc2bfebe3bd499190914b4b42fc19e5 [2023-11-19 04:58:15,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:15,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:15,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:15,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:15,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:15,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:15" (1/1) ... [2023-11-19 04:58:15,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e991a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:15, skipping insertion in model container [2023-11-19 04:58:15,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:15" (1/1) ... [2023-11-19 04:58:15,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:15,969 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_cd267f7e-8ef3-4df2-922b-e401e07092c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i[913,926] [2023-11-19 04:58:16,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:16,088 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:58:16,102 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_cd267f7e-8ef3-4df2-922b-e401e07092c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i[913,926] [2023-11-19 04:58:16,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:16,175 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:58:16,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16 WrapperNode [2023-11-19 04:58:16,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:16,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:16,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:58:16,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:58:16,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16" (1/1) ... [2023-11-19 04:58:16,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16" (1/1) ... [2023-11-19 04:58:16,279 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2023-11-19 04:58:16,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:16,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:58:16,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:58:16,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:58:16,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16" (1/1) ... [2023-11-19 04:58:16,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16" (1/1) ... [2023-11-19 04:58:16,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16" (1/1) ... [2023-11-19 04:58:16,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16" (1/1) ... [2023-11-19 04:58:16,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16" (1/1) ... [2023-11-19 04:58:16,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16" (1/1) ... [2023-11-19 04:58:16,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16" (1/1) ... [2023-11-19 04:58:16,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16" (1/1) ... [2023-11-19 04:58:16,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:58:16,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:58:16,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:58:16,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:58:16,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16" (1/1) ... [2023-11-19 04:58:16,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:16,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:16,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:58:16,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:58:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:58:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:58:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:58:16,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:58:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:58:16,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:58:16,551 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:58:16,554 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:58:18,088 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:58:18,106 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:58:18,107 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:58:18,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:18 BoogieIcfgContainer [2023-11-19 04:58:18,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:58:18,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:58:18,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:58:18,125 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:58:18,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:58:15" (1/3) ... [2023-11-19 04:58:18,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7505853f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:18, skipping insertion in model container [2023-11-19 04:58:18,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:16" (2/3) ... [2023-11-19 04:58:18,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7505853f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:18, skipping insertion in model container [2023-11-19 04:58:18,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:18" (3/3) ... [2023-11-19 04:58:18,133 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-25.i [2023-11-19 04:58:18,156 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:58:18,156 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:58:18,214 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:58:18,221 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;@78b1b43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:58:18,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:58:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 04:58:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 04:58:18,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:18,248 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:18,249 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:18,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:18,256 INFO L85 PathProgramCache]: Analyzing trace with hash -631710257, now seen corresponding path program 1 times [2023-11-19 04:58:18,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:18,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373777282] [2023-11-19 04:58:18,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:18,281 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:58:18,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:18,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:58:18,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd267f7e-8ef3-4df2-922b-e401e07092c9/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:58:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:18,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:58:18,984 INFO L285 TraceCheckSpWp]: Computing forward predicates...