./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91 --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 bb9ebd7191292941d0aec0d028201faa00d28c37083b8685d3172a0ea02d5ecf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:11:00,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:11:00,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:11:00,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:11:00,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:11:00,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:11:00,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:11:00,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:11:00,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:11:00,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:11:00,247 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:11:00,247 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:11:00,248 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:11:00,249 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:11:00,250 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:11:00,250 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:11:00,250 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:11:00,251 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:11:00,251 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:11:00,252 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:11:00,252 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:11:00,253 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:11:00,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:11:00,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:11:00,256 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:11:00,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:11:00,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:11:00,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:11:00,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:11:00,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:11:00,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:11:00,259 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:11:00,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:11:00,259 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:11:00,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:11:00,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:11:00,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:11:00,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:11:00,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:11:00,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:11:00,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:11:00,262 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:11:00,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:11:00,262 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:11:00,262 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:11:00,263 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:11:00,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:11:00,263 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_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb9ebd7191292941d0aec0d028201faa00d28c37083b8685d3172a0ea02d5ecf [2023-11-25 00:11:00,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:11:00,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:11:00,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:11:00,616 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:11:00,616 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:11:00,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-51.i [2023-11-25 00:11:03,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:11:03,898 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:11:03,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-51.i [2023-11-25 00:11:03,912 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/data/f938a0eeb/d63a02cde06847b1a8ab54eb8ae17f85/FLAG920f0fb86 [2023-11-25 00:11:03,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/data/f938a0eeb/d63a02cde06847b1a8ab54eb8ae17f85 [2023-11-25 00:11:03,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:11:03,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:11:03,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:11:03,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:11:03,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:11:03,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:11:03" (1/1) ... [2023-11-25 00:11:03,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e7130ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:03, skipping insertion in model container [2023-11-25 00:11:03,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:11:03" (1/1) ... [2023-11-25 00:11:03,997 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:11:04,218 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_250995bc-ae67-4796-aab1-2bd7c196e68f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-51.i[913,926] [2023-11-25 00:11:04,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:11:04,306 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:11:04,316 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_250995bc-ae67-4796-aab1-2bd7c196e68f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-51.i[913,926] [2023-11-25 00:11:04,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:11:04,377 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:11:04,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04 WrapperNode [2023-11-25 00:11:04,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:11:04,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:11:04,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:11:04,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:11:04,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04" (1/1) ... [2023-11-25 00:11:04,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04" (1/1) ... [2023-11-25 00:11:04,438 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2023-11-25 00:11:04,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:11:04,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:11:04,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:11:04,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:11:04,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04" (1/1) ... [2023-11-25 00:11:04,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04" (1/1) ... [2023-11-25 00:11:04,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04" (1/1) ... [2023-11-25 00:11:04,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04" (1/1) ... [2023-11-25 00:11:04,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04" (1/1) ... [2023-11-25 00:11:04,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04" (1/1) ... [2023-11-25 00:11:04,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04" (1/1) ... [2023-11-25 00:11:04,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04" (1/1) ... [2023-11-25 00:11:04,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:11:04,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:11:04,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:11:04,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:11:04,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04" (1/1) ... [2023-11-25 00:11:04,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:11:04,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:11:04,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:11:04,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:11:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:11:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:11:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:11:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:11:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:11:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:11:04,661 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:11:04,663 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:11:05,071 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:11:05,291 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:11:05,291 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:11:05,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:11:05 BoogieIcfgContainer [2023-11-25 00:11:05,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:11:05,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:11:05,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:11:05,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:11:05,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:11:03" (1/3) ... [2023-11-25 00:11:05,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3527f34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:11:05, skipping insertion in model container [2023-11-25 00:11:05,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:04" (2/3) ... [2023-11-25 00:11:05,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3527f34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:11:05, skipping insertion in model container [2023-11-25 00:11:05,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:11:05" (3/3) ... [2023-11-25 00:11:05,316 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-51.i [2023-11-25 00:11:05,337 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:11:05,337 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:11:05,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:11:05,416 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;@1406d8d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:11:05,417 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:11:05,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-25 00:11:05,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-25 00:11:05,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:05,433 INFO L195 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:05,434 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:05,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:05,439 INFO L85 PathProgramCache]: Analyzing trace with hash 724924620, now seen corresponding path program 1 times [2023-11-25 00:11:05,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:11:05,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947782821] [2023-11-25 00:11:05,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:11:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:11:06,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:11:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:11:06,475 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:11:06,477 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:11:06,479 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:11:06,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:11:06,486 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:11:06,491 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:11:06,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:11:06 BoogieIcfgContainer [2023-11-25 00:11:06,611 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:11:06,628 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:11:06,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:11:06,628 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:11:06,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:11:05" (3/4) ... [2023-11-25 00:11:06,631 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:11:06,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:11:06,634 INFO L158 Benchmark]: Toolchain (without parser) took 2697.87ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 112.3MB in the beginning and 146.1MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:11:06,634 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:11:06,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.76ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 113.1MB in the end (delta: -1.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-25 00:11:06,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.16ms. Allocated memory is still 151.0MB. Free memory was 113.1MB in the beginning and 110.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:11:06,636 INFO L158 Benchmark]: Boogie Preprocessor took 37.29ms. Allocated memory is still 151.0MB. Free memory was 110.3MB in the beginning and 108.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:11:06,637 INFO L158 Benchmark]: RCFGBuilder took 816.42ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 73.3MB in the end (delta: 35.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-25 00:11:06,651 INFO L158 Benchmark]: TraceAbstraction took 1321.88ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 72.5MB in the beginning and 146.1MB in the end (delta: -73.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-11-25 00:11:06,651 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 182.5MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:11:06,655 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.76ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 113.1MB in the end (delta: -1.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.16ms. Allocated memory is still 151.0MB. Free memory was 113.1MB in the beginning and 110.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.29ms. Allocated memory is still 151.0MB. Free memory was 110.3MB in the beginning and 108.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 816.42ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 73.3MB in the end (delta: 35.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1321.88ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 72.5MB in the beginning and 146.1MB in the end (delta: -73.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 182.5MB. Free memory is still 146.1MB. 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 50, overapproximation of someUnaryDOUBLEoperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] unsigned long int var_1_2 = 32; [L24] unsigned long int var_1_3 = 128; [L25] double var_1_4 = 32.3; [L26] double var_1_5 = 0.25; [L27] double var_1_6 = 500.6; [L28] unsigned char var_1_7 = 2; [L29] signed char var_1_8 = -10; [L30] signed char var_1_9 = 5; [L31] signed char var_1_10 = 4; [L32] signed char var_1_11 = 100; [L33] unsigned long int var_1_12 = 8; [L34] unsigned char var_1_13 = 0; [L35] unsigned char var_1_14 = 1; [L36] unsigned long int var_1_15 = 1114432789; [L37] unsigned long int var_1_16 = 2; [L38] double var_1_17 = 256.8; [L39] double var_1_18 = 1.25; [L40] unsigned long int var_1_19 = 16; [L41] unsigned char var_1_21 = 1; [L42] double var_1_22 = -0.5; [L43] unsigned char var_1_23 = 0; [L44] unsigned char var_1_24 = 1; [L151] isInitial = 1 [L152] FCALL initially() [L153] COND TRUE 1 [L154] FCALL updateLastVariables() [L155] CALL updateVariables() [L96] var_1_2 = __VERIFIER_nondet_ulong() [L97] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L98] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L99] var_1_3 = __VERIFIER_nondet_ulong() [L100] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L101] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L102] var_1_4 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L104] var_1_5 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L106] var_1_6 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L108] var_1_7 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L110] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=5] [L111] var_1_9 = __VERIFIER_nondet_char() [L112] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L113] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L114] var_1_10 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L116] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L117] var_1_11 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L119] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L120] var_1_13 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L122] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L123] var_1_14 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L125] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L126] var_1_15 = __VERIFIER_nondet_ulong() [L127] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L128] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L129] var_1_16 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L131] CALL assume_abort_if_not(var_1_16 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_16 <= 1073741823) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L132] var_1_18 = __VERIFIER_nondet_double() [L133] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L134] var_1_22 = __VERIFIER_nondet_double() [L135] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L136] CALL assume_abort_if_not(var_1_22 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_22 != 0.0F) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L137] var_1_23 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L139] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L140] var_1_24 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L142] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=7] [L155] RET updateVariables() [L156] CALL step() [L48] COND FALSE !(32u >= var_1_2) [L55] var_1_1 = var_1_7 [L57] COND TRUE ! (var_1_6 > var_1_5) [L58] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) [L62] COND FALSE !(var_1_13 && var_1_14) [L65] COND FALSE !(\read(var_1_13)) [L69] COND FALSE !((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) [L72] COND TRUE var_1_14 || (((((var_1_4) > (var_1_6)) ? (var_1_4) : (var_1_6))) > var_1_18) [L73] COND FALSE !(var_1_18 > ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) [L76] var_1_19 = var_1_11 [L81] COND FALSE !((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) [L92] var_1_21 = var_1_23 [L156] RET step() [L157] CALL, EXPR property() [L147-L148] return ((((((32u >= var_1_2) ? ((var_1_2 <= var_1_3) ? (((var_1_4 - var_1_5) >= var_1_6) ? (var_1_1 == ((unsigned char) var_1_7)) : 1) : 1) : (var_1_1 == ((unsigned char) var_1_7))) && ((! (var_1_6 > var_1_5)) ? (var_1_8 == ((signed char) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11))) : (var_1_8 == ((signed char) -4)))) && ((var_1_13 && var_1_14) ? (var_1_12 == ((unsigned long int) var_1_11)) : (var_1_13 ? (var_1_12 == ((unsigned long int) (((((var_1_1) > ((var_1_11 + var_1_7))) ? (var_1_1) : ((var_1_11 + var_1_7)))) + (var_1_15 - var_1_16)))) : 1))) && (((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) ? (var_1_17 == ((double) var_1_18)) : 1)) && ((var_1_14 || (((((var_1_4) > (var_1_6)) ? (var_1_4) : (var_1_6))) > var_1_18)) ? ((var_1_18 > ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) ? (var_1_19 == ((unsigned long int) var_1_16)) : (var_1_19 == ((unsigned long int) var_1_11))) : (var_1_19 == ((unsigned long int) var_1_16)))) && (((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) ? (var_1_13 ? ((var_1_2 < var_1_3) ? (var_1_21 == ((unsigned char) (! var_1_23))) : (var_1_21 == ((unsigned char) var_1_24))) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_23))) ; [L157] RET, EXPR property() [L157] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_18=1284/5, var_1_19=8, var_1_1=254, var_1_21=0, var_1_23=0, var_1_24=1, var_1_2=33, var_1_3=32, var_1_7=254, var_1_8=-1, var_1_9=7] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=126, var_1_11=8, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=2147483647, var_1_16=1073741823, var_1_17=1284/5, var_1_18=1284/5, var_1_19=8, var_1_1=254, var_1_21=0, var_1_23=0, var_1_24=1, var_1_2=33, var_1_3=32, var_1_7=254, var_1_8=-1, var_1_9=7] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 30, 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=56occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 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 [2023-11-25 00:11:06,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/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_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91 --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 bb9ebd7191292941d0aec0d028201faa00d28c37083b8685d3172a0ea02d5ecf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:11:09,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:11:09,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:11:09,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:11:09,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:11:09,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:11:09,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:11:09,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:11:09,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:11:09,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:11:09,660 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:11:09,661 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:11:09,661 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:11:09,663 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:11:09,663 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:11:09,664 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:11:09,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:11:09,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:11:09,666 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:11:09,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:11:09,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:11:09,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:11:09,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:11:09,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:11:09,669 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:11:09,670 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:11:09,670 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:11:09,671 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:11:09,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:11:09,672 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:11:09,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:11:09,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:11:09,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:11:09,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:11:09,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:11:09,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:11:09,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:11:09,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:11:09,675 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:11:09,676 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:11:09,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:11:09,677 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:11:09,677 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:11:09,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:11:09,678 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_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb9ebd7191292941d0aec0d028201faa00d28c37083b8685d3172a0ea02d5ecf [2023-11-25 00:11:10,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:11:10,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:11:10,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:11:10,096 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:11:10,097 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:11:10,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-51.i [2023-11-25 00:11:13,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:11:13,551 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:11:13,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-51.i [2023-11-25 00:11:13,566 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/data/fc9ee01dd/c49db78c4ea04b8aa4fd5bf0ee02745a/FLAGb6124e878 [2023-11-25 00:11:13,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/data/fc9ee01dd/c49db78c4ea04b8aa4fd5bf0ee02745a [2023-11-25 00:11:13,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:11:13,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:11:13,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:11:13,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:11:13,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:11:13,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:13,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cae8be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13, skipping insertion in model container [2023-11-25 00:11:13,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:13,638 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:11:13,795 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_250995bc-ae67-4796-aab1-2bd7c196e68f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-51.i[913,926] [2023-11-25 00:11:13,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:11:13,874 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:11:13,898 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_250995bc-ae67-4796-aab1-2bd7c196e68f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-51.i[913,926] [2023-11-25 00:11:13,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:11:13,987 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:11:13,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13 WrapperNode [2023-11-25 00:11:13,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:11:13,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:11:13,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:11:13,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:11:13,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:14,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:14,059 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2023-11-25 00:11:14,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:11:14,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:11:14,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:11:14,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:11:14,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:14,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:14,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:14,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:14,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:14,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:14,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:14,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:14,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:11:14,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:11:14,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:11:14,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:11:14,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13" (1/1) ... [2023-11-25 00:11:14,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:11:14,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:11:14,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:11:14,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:11:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:11:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:11:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:11:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:11:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:11:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:11:14,416 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:11:14,419 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:11:22,202 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:11:22,247 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:11:22,247 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:11:22,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:11:22 BoogieIcfgContainer [2023-11-25 00:11:22,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:11:22,250 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:11:22,250 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:11:22,254 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:11:22,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:11:13" (1/3) ... [2023-11-25 00:11:22,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a62c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:11:22, skipping insertion in model container [2023-11-25 00:11:22,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:13" (2/3) ... [2023-11-25 00:11:22,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a62c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:11:22, skipping insertion in model container [2023-11-25 00:11:22,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:11:22" (3/3) ... [2023-11-25 00:11:22,257 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-51.i [2023-11-25 00:11:22,272 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:11:22,272 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:11:22,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:11:22,328 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;@4767dfec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:11:22,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:11:22,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 39 states have (on average 1.435897435897436) internal successors, (56), 40 states have internal predecessors, (56), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-25 00:11:22,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-25 00:11:22,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:22,352 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:22,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:22,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:22,358 INFO L85 PathProgramCache]: Analyzing trace with hash -635921128, now seen corresponding path program 1 times [2023-11-25 00:11:22,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:22,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874023791] [2023-11-25 00:11:22,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:22,371 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 [2023-11-25 00:11:22,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:22,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:11:22,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:11:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:23,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:11:23,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-25 00:11:24,821 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:11:25,045 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:25,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874023791] [2023-11-25 00:11:25,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874023791] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:11:25,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [600709249] [2023-11-25 00:11:25,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:25,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:11:25,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:11:25,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:11:25,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-25 00:11:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:25,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:11:25,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:25,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-25 00:11:25,769 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:25,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [600709249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:25,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-25 00:11:25,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-25 00:11:25,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387266367] [2023-11-25 00:11:25,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:25,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:11:25,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:25,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:11:25,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:11:25,844 INFO L87 Difference]: Start difference. First operand has 72 states, 39 states have (on average 1.435897435897436) internal successors, (56), 40 states have internal predecessors, (56), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-25 00:11:28,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:30,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:32,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:33,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:33,120 INFO L93 Difference]: Finished difference Result 184 states and 346 transitions. [2023-11-25 00:11:33,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:11:33,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 178 [2023-11-25 00:11:33,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:33,136 INFO L225 Difference]: With dead ends: 184 [2023-11-25 00:11:33,137 INFO L226 Difference]: Without dead ends: 113 [2023-11-25 00:11:33,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:11:33,145 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 62 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:33,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 208 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 7.2s Time] [2023-11-25 00:11:33,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-25 00:11:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 110. [2023-11-25 00:11:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 61 states have internal predecessors, (79), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-25 00:11:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 173 transitions. [2023-11-25 00:11:33,212 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 173 transitions. Word has length 178 [2023-11-25 00:11:33,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:33,214 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 173 transitions. [2023-11-25 00:11:33,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-25 00:11:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 173 transitions. [2023-11-25 00:11:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-25 00:11:33,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:33,220 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:33,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-25 00:11:33,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-25 00:11:33,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-25 00:11:33,638 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:33,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:33,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1510080036, now seen corresponding path program 1 times [2023-11-25 00:11:33,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:33,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669947806] [2023-11-25 00:11:33,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:33,652 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 [2023-11-25 00:11:33,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:33,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:11:33,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-25 00:11:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:34,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:11:34,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-25 00:11:35,795 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:11:35,976 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:35,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669947806] [2023-11-25 00:11:35,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669947806] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:11:35,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [913769032] [2023-11-25 00:11:35,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:35,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:11:35,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:11:35,980 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:11:36,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-25 00:11:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:37,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:11:37,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-25 00:11:38,987 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:11:39,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [913769032] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:11:39,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109068335] [2023-11-25 00:11:39,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:39,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:11:39,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:11:39,099 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:11:39,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-25 00:11:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:40,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:11:40,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:41,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-25 00:11:41,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:11:41,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109068335] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:11:41,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-25 00:11:41,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2023-11-25 00:11:41,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815485422] [2023-11-25 00:11:41,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-25 00:11:41,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:11:41,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:41,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:11:41,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:11:41,572 INFO L87 Difference]: Start difference. First operand 110 states and 173 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-25 00:11:45,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:47,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:49,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:49,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:49,713 INFO L93 Difference]: Finished difference Result 231 states and 355 transitions. [2023-11-25 00:11:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:11:49,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 179 [2023-11-25 00:11:49,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:49,935 INFO L225 Difference]: With dead ends: 231 [2023-11-25 00:11:49,936 INFO L226 Difference]: Without dead ends: 122 [2023-11-25 00:11:49,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:11:49,939 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 52 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:49,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 150 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 168 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2023-11-25 00:11:49,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-25 00:11:49,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2023-11-25 00:11:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 66 states have (on average 1.2575757575757576) internal successors, (83), 67 states have internal predecessors, (83), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-25 00:11:49,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 177 transitions. [2023-11-25 00:11:49,970 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 177 transitions. Word has length 179 [2023-11-25 00:11:49,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:49,973 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 177 transitions. [2023-11-25 00:11:49,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-25 00:11:49,974 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 177 transitions. [2023-11-25 00:11:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-25 00:11:49,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:49,981 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:11:50,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:50,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:50,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-25 00:11:50,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:11:50,601 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:50,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:50,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1009879898, now seen corresponding path program 1 times [2023-11-25 00:11:50,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:50,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [150562711] [2023-11-25 00:11:50,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:50,610 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 [2023-11-25 00:11:50,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:50,615 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:11:50,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250995bc-ae67-4796-aab1-2bd7c196e68f/bin/utaipan-verify-SwPr7d2a91/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 (7)] Waiting until timeout for monitored process [2023-11-25 00:11:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:51,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-25 00:11:51,539 INFO L285 TraceCheckSpWp]: Computing forward predicates...