./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/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_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/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_91620da0-3f1d-442a-b2fa-14eca0804c3b/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 86a1ef4c3b49651577789848313528c73796bc9c822bd00ff46ecebbbdb382d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:28,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:28,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:20:28,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:28,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:28,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:28,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:28,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:28,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:28,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:28,253 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:28,253 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:28,254 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:28,255 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:28,255 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:28,256 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:28,256 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:28,257 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:28,258 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:28,258 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:28,259 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:28,260 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:28,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:28,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:28,262 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:20:28,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:28,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:20:28,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:28,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:28,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:28,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:28,274 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:20:28,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:28,275 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:28,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:28,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:28,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:28,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:28,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:28,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:28,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:28,278 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:28,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:28,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:28,279 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:28,279 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:28,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:28,280 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_91620da0-3f1d-442a-b2fa-14eca0804c3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86a1ef4c3b49651577789848313528c73796bc9c822bd00ff46ecebbbdb382d5 [2023-11-23 21:20:28,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:28,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:28,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:28,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:28,705 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:28,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-12.i [2023-11-23 21:20:31,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:32,186 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:32,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-12.i [2023-11-23 21:20:32,197 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/data/8f0ddc2e8/86a5bc57e16040faba7d36a4bc35e07f/FLAG5934557d4 [2023-11-23 21:20:32,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/data/8f0ddc2e8/86a5bc57e16040faba7d36a4bc35e07f [2023-11-23 21:20:32,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:32,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:32,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:32,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:32,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:32,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c71afc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32, skipping insertion in model container [2023-11-23 21:20:32,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,309 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:32,469 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_91620da0-3f1d-442a-b2fa-14eca0804c3b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-12.i[916,929] [2023-11-23 21:20:32,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:32,583 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:32,595 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_91620da0-3f1d-442a-b2fa-14eca0804c3b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-12.i[916,929] [2023-11-23 21:20:32,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:32,658 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:32,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32 WrapperNode [2023-11-23 21:20:32,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:32,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:32,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:32,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:32,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,736 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2023-11-23 21:20:32,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:32,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:32,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:32,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:32,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:32,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:32,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:32,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:32,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32" (1/1) ... [2023-11-23 21:20:32,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:32,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:32,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:32,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:20:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:33,037 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:33,042 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:33,556 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:33,932 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:33,933 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:33,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:33 BoogieIcfgContainer [2023-11-23 21:20:33,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:33,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:33,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:33,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:33,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:32" (1/3) ... [2023-11-23 21:20:33,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a591b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:33, skipping insertion in model container [2023-11-23 21:20:33,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:32" (2/3) ... [2023-11-23 21:20:33,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a591b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:33, skipping insertion in model container [2023-11-23 21:20:33,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:33" (3/3) ... [2023-11-23 21:20:33,948 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-12.i [2023-11-23 21:20:33,969 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:33,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:34,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:34,023 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;@f09986d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:34,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:34,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-23 21:20:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 21:20:34,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:34,041 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:34,041 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:34,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:34,048 INFO L85 PathProgramCache]: Analyzing trace with hash 260418265, now seen corresponding path program 1 times [2023-11-23 21:20:34,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:34,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924999272] [2023-11-23 21:20:34,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:34,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:34,251 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:20:34,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1891499017] [2023-11-23 21:20:34,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:34,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:20:34,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:34,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:20:34,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:20:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:34,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:20:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:34,960 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:20:34,963 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:20:34,964 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:20:34,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:20:35,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:20:35,193 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:20:35,196 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:20:35,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:20:35 BoogieIcfgContainer [2023-11-23 21:20:35,346 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:20:35,347 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:20:35,347 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:20:35,347 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:20:35,348 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:33" (3/4) ... [2023-11-23 21:20:35,352 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:20:35,354 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:20:35,355 INFO L158 Benchmark]: Toolchain (without parser) took 3116.26ms. Allocated memory is still 157.3MB. Free memory was 126.6MB in the beginning and 104.4MB in the end (delta: 22.2MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-23 21:20:35,356 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:35,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.04ms. Allocated memory is still 157.3MB. Free memory was 126.6MB in the beginning and 111.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:20:35,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.41ms. Allocated memory is still 157.3MB. Free memory was 110.6MB in the beginning and 105.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:20:35,363 INFO L158 Benchmark]: Boogie Preprocessor took 81.07ms. Allocated memory is still 157.3MB. Free memory was 105.9MB in the beginning and 103.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:20:35,364 INFO L158 Benchmark]: RCFGBuilder took 1115.07ms. Allocated memory is still 157.3MB. Free memory was 103.8MB in the beginning and 92.8MB in the end (delta: 11.0MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-11-23 21:20:35,365 INFO L158 Benchmark]: TraceAbstraction took 1408.42ms. Allocated memory is still 157.3MB. Free memory was 92.3MB in the beginning and 104.6MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:35,366 INFO L158 Benchmark]: Witness Printer took 6.78ms. Allocated memory is still 157.3MB. Free memory was 104.6MB in the beginning and 104.4MB in the end (delta: 188.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:35,374 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.04ms. Allocated memory is still 157.3MB. Free memory was 126.6MB in the beginning and 111.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.41ms. Allocated memory is still 157.3MB. Free memory was 110.6MB in the beginning and 105.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.07ms. Allocated memory is still 157.3MB. Free memory was 105.9MB in the beginning and 103.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1115.07ms. Allocated memory is still 157.3MB. Free memory was 103.8MB in the beginning and 92.8MB in the end (delta: 11.0MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1408.42ms. Allocated memory is still 157.3MB. Free memory was 92.3MB in the beginning and 104.6MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.78ms. Allocated memory is still 157.3MB. Free memory was 104.6MB in the beginning and 104.4MB in the end (delta: 188.7kB). 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 63, overapproximation of shiftLeft at line 61, overapproximation of someBinaryArithmeticDOUBLEoperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 100; [L23] unsigned char var_1_5 = 0; [L24] double var_1_6 = 4.5; [L25] unsigned char var_1_7 = 2; [L26] unsigned char var_1_8 = 2; [L27] double var_1_12 = 16.4; [L28] signed long int var_1_13 = 32; [L29] signed short int var_1_15 = -10; [L30] signed long int var_1_16 = -5; [L31] unsigned char var_1_17 = 1; [L32] signed short int var_1_18 = 500; [L33] double var_1_19 = 32.5; [L34] signed char var_1_20 = 0; [L35] double var_1_21 = 2.5; [L36] double var_1_22 = 0.0; [L37] double var_1_23 = 9.6; [L38] unsigned char var_1_24 = 64; [L39] unsigned char var_1_25 = 0; [L40] unsigned short int var_1_26 = 8; [L41] unsigned short int var_1_28 = 16; [L42] double var_1_29 = 200.5; [L43] unsigned short int var_1_30 = 20701; [L44] double last_1_var_1_6 = 4.5; [L45] signed long int last_1_var_1_16 = -5; [L46] signed short int last_1_var_1_18 = 500; [L47] signed char last_1_var_1_20 = 0; [L48] double last_1_var_1_21 = 2.5; [L49] unsigned char last_1_var_1_24 = 64; [L50] unsigned short int last_1_var_1_26 = 8; [L51] unsigned short int last_1_var_1_28 = 16; [L194] isInitial = 1 [L195] FCALL initially() [L196] int k_loop; [L197] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=2, var_1_8=2] [L197] COND TRUE k_loop < 1 [L198] CALL updateLastVariables() [L180] last_1_var_1_6 = var_1_6 [L181] last_1_var_1_16 = var_1_16 [L182] last_1_var_1_18 = var_1_18 [L183] last_1_var_1_20 = var_1_20 [L184] last_1_var_1_21 = var_1_21 [L185] last_1_var_1_24 = var_1_24 [L186] last_1_var_1_26 = var_1_26 [L187] last_1_var_1_28 = var_1_28 [L198] RET updateLastVariables() [L199] CALL updateVariables() [L145] var_1_5 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_6=9/2, var_1_7=2, var_1_8=2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_6=9/2, var_1_7=2, var_1_8=2] [L147] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=2, var_1_8=2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=2, var_1_8=2] [L148] var_1_7 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_8=2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_8=2] [L150] CALL assume_abort_if_not(var_1_7 <= 23) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_7 <= 23) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=2] [L151] var_1_8 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9] [L153] CALL assume_abort_if_not(var_1_8 <= 23) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_8 <= 23) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=82/5, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L154] var_1_12 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-10, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L156] var_1_15 = __VERIFIER_nondet_short() [L157] CALL assume_abort_if_not(var_1_15 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_15 >= -32768) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L158] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L159] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L160] var_1_17 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L162] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_19=65/2, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L163] var_1_19 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854776000e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854776000e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_22=0, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L165] var_1_22 = __VERIFIER_nondet_double() [L166] CALL assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_23=48/5, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L167] var_1_23 = __VERIFIER_nondet_double() [L168] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_25=0, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L169] var_1_25 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L171] CALL assume_abort_if_not(var_1_25 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_25=254, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_25 <= 254) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_25=254, var_1_26=8, var_1_28=16, var_1_29=401/2, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L172] var_1_29 = __VERIFIER_nondet_double() [L173] CALL assume_abort_if_not((var_1_29 >= -922337.2036854776000e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854776000e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_25=254, var_1_26=8, var_1_28=16, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_29 >= -922337.2036854776000e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854776000e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_25=254, var_1_26=8, var_1_28=16, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L174] CALL assume_abort_if_not(var_1_29 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_25=254, var_1_26=8, var_1_28=16, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_29 != 0.0F) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_25=254, var_1_26=8, var_1_28=16, var_1_30=20701, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L175] var_1_30 = __VERIFIER_nondet_ushort() [L176] CALL assume_abort_if_not(var_1_30 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_25=254, var_1_26=8, var_1_28=16, var_1_30=32767, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_30 >= 16383) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_25=254, var_1_26=8, var_1_28=16, var_1_30=32767, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L177] CALL assume_abort_if_not(var_1_30 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_25=254, var_1_26=8, var_1_28=16, var_1_30=32767, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_30 <= 32767) VAL [isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_13=32, var_1_15=-1, var_1_16=-5, var_1_17=1, var_1_18=500, var_1_1=100, var_1_20=0, var_1_21=5/2, var_1_24=64, var_1_25=254, var_1_26=8, var_1_28=16, var_1_30=32767, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L199] RET updateVariables() [L200] CALL step() [L55] unsigned char stepLocal_0 = ! var_1_5; [L56] COND FALSE !(((last_1_var_1_26 * last_1_var_1_20) >= last_1_var_1_28) && stepLocal_0) [L59] var_1_1 = last_1_var_1_26 [L61] EXPR (last_1_var_1_24 - last_1_var_1_28) << ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) [L61] signed long int stepLocal_1 = (last_1_var_1_24 - last_1_var_1_28) << ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))); [L62] COND FALSE !(last_1_var_1_18 <= stepLocal_1) [L69] signed long int stepLocal_3 = last_1_var_1_26 + var_1_8; [L70] COND FALSE !(\read(var_1_5)) [L81] COND TRUE ! (last_1_var_1_18 <= (var_1_7 / var_1_15)) [L82] var_1_21 = ((((((var_1_22 - 7.5) - var_1_23)) > (var_1_12)) ? (((var_1_22 - 7.5) - var_1_23)) : (var_1_12))) [L86] COND TRUE var_1_17 || (var_1_8 >= last_1_var_1_24) [L87] COND TRUE var_1_17 && (var_1_21 != var_1_23) [L88] var_1_24 = ((((var_1_7) < (var_1_25)) ? (var_1_7) : (var_1_25))) [L93] COND TRUE var_1_19 == var_1_21 [L94] COND FALSE !(! var_1_17) [L97] var_1_20 = var_1_7 [L100] COND FALSE !(var_1_5 && var_1_17) [L103] var_1_16 = (var_1_8 - var_1_7) [L105] unsigned char stepLocal_2 = var_1_24; [L106] COND FALSE !(var_1_21 > var_1_21) [L109] COND TRUE (var_1_16 / var_1_15) < stepLocal_2 [L110] var_1_13 = var_1_7 [L115] COND TRUE \read(var_1_17) [L116] COND FALSE !(var_1_21 <= ((var_1_6 / var_1_22) + (var_1_21 / var_1_29))) [L119] var_1_28 = var_1_13 [L124] COND FALSE !(! var_1_17) [L141] var_1_26 = var_1_8 [L200] RET step() [L201] CALL, EXPR property() [L190] EXPR ((((last_1_var_1_26 * last_1_var_1_20) >= last_1_var_1_28) && (! var_1_5)) ? (var_1_1 == ((signed short int) last_1_var_1_26)) : (var_1_1 == ((signed short int) last_1_var_1_26))) && ((last_1_var_1_18 <= ((last_1_var_1_24 - last_1_var_1_28) << ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (((- last_1_var_1_21) > (last_1_var_1_6 + (- last_1_var_1_21))) ? (var_1_6 == ((double) var_1_12)) : (var_1_6 == ((double) var_1_12))) : 1) [L190] EXPR (last_1_var_1_24 - last_1_var_1_28) << ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) [L190] EXPR ((((last_1_var_1_26 * last_1_var_1_20) >= last_1_var_1_28) && (! var_1_5)) ? (var_1_1 == ((signed short int) last_1_var_1_26)) : (var_1_1 == ((signed short int) last_1_var_1_26))) && ((last_1_var_1_18 <= ((last_1_var_1_24 - last_1_var_1_28) << ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (((- last_1_var_1_21) > (last_1_var_1_6 + (- last_1_var_1_21))) ? (var_1_6 == ((double) var_1_12)) : (var_1_6 == ((double) var_1_12))) : 1) [L190-L191] return ((((((((((((last_1_var_1_26 * last_1_var_1_20) >= last_1_var_1_28) && (! var_1_5)) ? (var_1_1 == ((signed short int) last_1_var_1_26)) : (var_1_1 == ((signed short int) last_1_var_1_26))) && ((last_1_var_1_18 <= ((last_1_var_1_24 - last_1_var_1_28) << ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (((- last_1_var_1_21) > (last_1_var_1_6 + (- last_1_var_1_21))) ? (var_1_6 == ((double) var_1_12)) : (var_1_6 == ((double) var_1_12))) : 1)) && ((var_1_21 > var_1_21) ? (var_1_13 == ((signed long int) (var_1_7 - var_1_24))) : (((var_1_16 / var_1_15) < var_1_24) ? (var_1_13 == ((signed long int) var_1_7)) : (var_1_13 == ((signed long int) var_1_15))))) && ((var_1_5 && var_1_17) ? (var_1_16 == ((signed long int) ((((last_1_var_1_16) > (var_1_15)) ? (last_1_var_1_16) : (var_1_15))))) : (var_1_16 == ((signed long int) (var_1_8 - var_1_7))))) && (var_1_5 ? ((((((last_1_var_1_6) < ((1.0000000075E8 - var_1_19))) ? (last_1_var_1_6) : ((1.0000000075E8 - var_1_19)))) > var_1_12) ? (((last_1_var_1_26 + var_1_8) >= last_1_var_1_24) ? (var_1_18 == ((signed short int) var_1_7)) : (var_1_18 == ((signed short int) last_1_var_1_24))) : (var_1_18 == ((signed short int) var_1_8))) : 1)) && ((var_1_19 == var_1_21) ? ((! var_1_17) ? (var_1_20 == ((signed char) ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) : (var_1_20 == ((signed char) var_1_7))) : 1)) && ((! (last_1_var_1_18 <= (var_1_7 / var_1_15))) ? (var_1_21 == ((double) ((((((var_1_22 - 7.5) - var_1_23)) > (var_1_12)) ? (((var_1_22 - 7.5) - var_1_23)) : (var_1_12))))) : (var_1_21 == ((double) var_1_22)))) && ((var_1_17 || (var_1_8 >= last_1_var_1_24)) ? ((var_1_17 && (var_1_21 != var_1_23)) ? (var_1_24 == ((unsigned char) ((((var_1_7) < (var_1_25)) ? (var_1_7) : (var_1_25))))) : 1) : (var_1_24 == ((unsigned char) var_1_7)))) && ((! var_1_17) ? (var_1_17 ? ((var_1_6 <= ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) ? ((var_1_19 <= ((var_1_12 + var_1_6) / var_1_22)) ? (((~ var_1_24) > var_1_1) ? (var_1_26 == ((unsigned short int) var_1_13)) : (var_1_26 == ((unsigned short int) var_1_7))) : 1) : (var_1_26 == ((unsigned short int) var_1_18))) : (var_1_26 == ((unsigned short int) var_1_18))) : (var_1_26 == ((unsigned short int) var_1_8)))) && (var_1_17 ? ((var_1_21 <= ((var_1_6 / var_1_22) + (var_1_21 / var_1_29))) ? (var_1_28 == ((unsigned short int) ((59265 - ((((var_1_8) > (var_1_18)) ? (var_1_8) : (var_1_18)))) - (var_1_30 - var_1_13)))) : (var_1_28 == ((unsigned short int) var_1_13))) : (var_1_28 == ((unsigned short int) var_1_1))) ; [L201] RET, EXPR property() [L201] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=0, var_1_13=9, var_1_15=-1, var_1_16=-2, var_1_17=1, var_1_18=500, var_1_1=8, var_1_20=9, var_1_21=2, var_1_22=0, var_1_24=9, var_1_25=254, var_1_26=7, var_1_28=9, var_1_30=32767, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=-5, last_1_var_1_18=500, last_1_var_1_20=0, last_1_var_1_21=5/2, last_1_var_1_24=64, last_1_var_1_26=8, last_1_var_1_28=16, last_1_var_1_6=9/2, var_1_12=0, var_1_13=9, var_1_15=-1, var_1_16=-2, var_1_17=1, var_1_18=500, var_1_1=8, var_1_20=9, var_1_21=2, var_1_22=0, var_1_24=9, var_1_25=254, var_1_26=7, var_1_28=9, var_1_30=32767, var_1_5=0, var_1_6=9/2, var_1_7=9, var_1_8=7] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 21, 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=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:20:35,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/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_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/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_91620da0-3f1d-442a-b2fa-14eca0804c3b/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 86a1ef4c3b49651577789848313528c73796bc9c822bd00ff46ecebbbdb382d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:38,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:38,214 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:20:38,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:38,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:38,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:38,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:38,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:38,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:38,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:38,275 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:38,275 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:38,276 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:38,277 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:38,278 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:38,278 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:38,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:38,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:38,280 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:20:38,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:20:38,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:38,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:38,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:38,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:38,283 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:20:38,283 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:20:38,284 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:20:38,284 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:20:38,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:38,285 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:38,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:38,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:20:38,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:38,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:38,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:38,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:38,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:38,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:38,289 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:20:38,290 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:20:38,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:38,290 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:38,290 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:38,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:38,291 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_91620da0-3f1d-442a-b2fa-14eca0804c3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86a1ef4c3b49651577789848313528c73796bc9c822bd00ff46ecebbbdb382d5 [2023-11-23 21:20:38,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:38,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:38,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:38,771 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:38,772 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:38,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-12.i [2023-11-23 21:20:42,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:42,327 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:42,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-12.i [2023-11-23 21:20:42,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/data/18290ccc7/0f359db274fe4c75a13599bdf67da2e1/FLAG83da9b9fe [2023-11-23 21:20:42,363 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/data/18290ccc7/0f359db274fe4c75a13599bdf67da2e1 [2023-11-23 21:20:42,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:42,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:42,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:42,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:42,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:42,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:42,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608a7520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42, skipping insertion in model container [2023-11-23 21:20:42,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:42,416 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:42,621 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_91620da0-3f1d-442a-b2fa-14eca0804c3b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-12.i[916,929] [2023-11-23 21:20:42,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:42,765 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:42,779 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_91620da0-3f1d-442a-b2fa-14eca0804c3b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-12.i[916,929] [2023-11-23 21:20:42,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:42,934 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:42,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42 WrapperNode [2023-11-23 21:20:42,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:42,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:42,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:42,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:42,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:42,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:43,035 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-23 21:20:43,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:43,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:43,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:43,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:43,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:43,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:43,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:43,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:43,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:43,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:43,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:43,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:43,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:43,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:43,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:43,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:43,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42" (1/1) ... [2023-11-23 21:20:43,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:43,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:43,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:43,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:20:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:43,341 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:43,344 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:58,426 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:58,497 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:58,498 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:58,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:58 BoogieIcfgContainer [2023-11-23 21:20:58,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:58,501 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:58,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:58,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:58,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:42" (1/3) ... [2023-11-23 21:20:58,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6f76f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:58, skipping insertion in model container [2023-11-23 21:20:58,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:42" (2/3) ... [2023-11-23 21:20:58,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6f76f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:58, skipping insertion in model container [2023-11-23 21:20:58,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:58" (3/3) ... [2023-11-23 21:20:58,508 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-12.i [2023-11-23 21:20:58,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:58,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:58,578 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:58,585 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;@58e3a44a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:58,586 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 46 states have (on average 1.565217391304348) internal successors, (72), 47 states have internal predecessors, (72), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-23 21:20:58,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-23 21:20:58,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:58,607 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:58,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:58,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:58,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1787954145, now seen corresponding path program 1 times [2023-11-23 21:20:58,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:20:58,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482648889] [2023-11-23 21:20:58,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:58,631 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:20:58,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:20:58,634 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:20:58,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/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 21:21:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:00,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:21:00,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2023-11-23 21:21:00,915 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:00,916 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:00,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [482648889] [2023-11-23 21:21:00,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [482648889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:00,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:00,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:21:00,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797331250] [2023-11-23 21:21:00,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:00,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:21:00,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:00,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:21:00,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:21:00,975 INFO L87 Difference]: Start difference. First operand has 70 states, 46 states have (on average 1.565217391304348) internal successors, (72), 47 states have internal predecessors, (72), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 21:21:03,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:04,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:04,146 INFO L93 Difference]: Finished difference Result 139 states and 248 transitions. [2023-11-23 21:21:04,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:21:04,149 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2023-11-23 21:21:04,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:04,160 INFO L225 Difference]: With dead ends: 139 [2023-11-23 21:21:04,160 INFO L226 Difference]: Without dead ends: 68 [2023-11-23 21:21:04,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:21:04,168 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:04,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-11-23 21:21:04,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-23 21:21:04,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-23 21:21:04,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 45 states have internal predecessors, (66), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-23 21:21:04,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 108 transitions. [2023-11-23 21:21:04,227 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 108 transitions. Word has length 135 [2023-11-23 21:21:04,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:04,228 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 108 transitions. [2023-11-23 21:21:04,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 21:21:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 108 transitions. [2023-11-23 21:21:04,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-23 21:21:04,237 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:04,237 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:21:04,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:04,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:04,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:04,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:04,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1973665692, now seen corresponding path program 1 times [2023-11-23 21:21:04,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:04,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940016230] [2023-11-23 21:21:04,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:04,455 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:04,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:04,459 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:21:04,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91620da0-3f1d-442a-b2fa-14eca0804c3b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:21:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:06,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:21:06,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-23 21:21:22,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:22,508 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:22,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940016230] [2023-11-23 21:21:22,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940016230] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:22,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:22,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:21:22,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785626258] [2023-11-23 21:21:22,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:22,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:21:22,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:22,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:21:22,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:21:22,514 INFO L87 Difference]: Start difference. First operand 68 states and 108 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-23 21:21:26,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:28,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []