./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/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_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/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_de25297f-09ac-4a07-b456-86f4eefc1e30/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 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:54:10,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:54:10,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:54:10,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:54:10,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:54:11,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:54:11,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:54:11,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:54:11,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:54:11,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:54:11,019 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:54:11,019 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:54:11,020 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:54:11,021 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:54:11,021 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:54:11,022 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:54:11,022 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:54:11,023 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:54:11,023 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:54:11,024 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:54:11,025 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:54:11,025 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:54:11,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:54:11,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:54:11,027 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:54:11,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:54:11,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:54:11,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:54:11,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:54:11,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:54:11,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:54:11,032 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:54:11,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:54:11,033 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:54:11,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:54:11,034 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:54:11,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:54:11,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:11,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:54:11,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:54:11,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:54:11,037 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:54:11,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:54:11,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:54:11,038 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:54:11,038 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:54:11,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:54:11,039 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_de25297f-09ac-4a07-b456-86f4eefc1e30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 [2023-11-24 23:54:11,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:54:11,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:54:11,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:54:11,429 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:54:11,430 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:54:11,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2023-11-24 23:54:14,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:54:14,773 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:54:14,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2023-11-24 23:54:14,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/data/cf792e749/8b97dbe247e34480af4d8dd65ff6595a/FLAG0a2f93dc2 [2023-11-24 23:54:14,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/data/cf792e749/8b97dbe247e34480af4d8dd65ff6595a [2023-11-24 23:54:14,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:54:14,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:54:14,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:14,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:54:14,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:54:14,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:14" (1/1) ... [2023-11-24 23:54:14,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed9387a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:14, skipping insertion in model container [2023-11-24 23:54:14,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:14" (1/1) ... [2023-11-24 23:54:14,882 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:54:15,051 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_de25297f-09ac-4a07-b456-86f4eefc1e30/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2023-11-24 23:54:15,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:15,121 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:54:15,139 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_de25297f-09ac-4a07-b456-86f4eefc1e30/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2023-11-24 23:54:15,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:15,211 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:54:15,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15 WrapperNode [2023-11-24 23:54:15,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:15,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:15,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:54:15,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:54:15,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15" (1/1) ... [2023-11-24 23:54:15,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15" (1/1) ... [2023-11-24 23:54:15,313 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2023-11-24 23:54:15,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:15,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:54:15,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:54:15,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:54:15,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15" (1/1) ... [2023-11-24 23:54:15,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15" (1/1) ... [2023-11-24 23:54:15,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15" (1/1) ... [2023-11-24 23:54:15,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15" (1/1) ... [2023-11-24 23:54:15,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15" (1/1) ... [2023-11-24 23:54:15,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15" (1/1) ... [2023-11-24 23:54:15,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15" (1/1) ... [2023-11-24 23:54:15,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15" (1/1) ... [2023-11-24 23:54:15,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:54:15,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:54:15,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:54:15,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:54:15,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15" (1/1) ... [2023-11-24 23:54:15,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:15,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:54:15,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:54:15,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:54:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:54:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:54:15,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:54:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:54:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:54:15,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:54:15,552 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:54:15,554 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:54:15,976 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:54:16,262 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:54:16,262 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:54:16,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:16 BoogieIcfgContainer [2023-11-24 23:54:16,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:54:16,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:54:16,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:54:16,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:54:16,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:54:14" (1/3) ... [2023-11-24 23:54:16,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f35bdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:16, skipping insertion in model container [2023-11-24 23:54:16,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:15" (2/3) ... [2023-11-24 23:54:16,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f35bdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:16, skipping insertion in model container [2023-11-24 23:54:16,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:16" (3/3) ... [2023-11-24 23:54:16,273 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-66.i [2023-11-24 23:54:16,294 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:54:16,294 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:54:16,343 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:54:16,350 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;@24a856d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:54:16,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:54:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-24 23:54:16,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-24 23:54:16,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:16,369 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:54:16,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:54:16,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:16,376 INFO L85 PathProgramCache]: Analyzing trace with hash 431667939, now seen corresponding path program 1 times [2023-11-24 23:54:16,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:54:16,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39403426] [2023-11-24 23:54:16,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:16,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:54:16,558 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:54:16,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1748423058] [2023-11-24 23:54:16,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:16,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:54:16,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:54:16,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:54:16,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:54:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:54:16,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:54:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:54:17,065 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:54:17,067 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:54:17,069 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:54:17,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-24 23:54:17,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:54:17,283 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:54:17,290 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:54:17,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:54:17 BoogieIcfgContainer [2023-11-24 23:54:17,440 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:54:17,441 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:54:17,441 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:54:17,441 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:54:17,442 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:16" (3/4) ... [2023-11-24 23:54:17,444 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:54:17,445 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:54:17,446 INFO L158 Benchmark]: Toolchain (without parser) took 2626.91ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 65.2MB in the beginning and 89.3MB in the end (delta: -24.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-11-24 23:54:17,447 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory was 105.1MB in the beginning and 104.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:54:17,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.15ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 65.0MB in the beginning and 148.3MB in the end (delta: -83.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-24 23:54:17,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.35ms. Allocated memory is still 184.5MB. Free memory was 148.3MB in the beginning and 144.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:54:17,457 INFO L158 Benchmark]: Boogie Preprocessor took 67.33ms. Allocated memory is still 184.5MB. Free memory was 144.3MB in the beginning and 143.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:54:17,458 INFO L158 Benchmark]: RCFGBuilder took 881.48ms. Allocated memory is still 184.5MB. Free memory was 143.1MB in the beginning and 133.3MB in the end (delta: 9.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 23:54:17,458 INFO L158 Benchmark]: TraceAbstraction took 1174.22ms. Allocated memory is still 184.5MB. Free memory was 132.2MB in the beginning and 89.3MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 23:54:17,458 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 184.5MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:54:17,461 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory was 105.1MB in the beginning and 104.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.15ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 65.0MB in the beginning and 148.3MB in the end (delta: -83.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.35ms. Allocated memory is still 184.5MB. Free memory was 148.3MB in the beginning and 144.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.33ms. Allocated memory is still 184.5MB. Free memory was 144.3MB in the beginning and 143.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 881.48ms. Allocated memory is still 184.5MB. Free memory was 143.1MB in the beginning and 133.3MB in the end (delta: 9.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1174.22ms. Allocated memory is still 184.5MB. Free memory was 132.2MB in the beginning and 89.3MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 184.5MB. Free memory is still 89.3MB. 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 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] unsigned char var_1_2 = 0; [L24] signed char var_1_3 = 8; [L25] signed char var_1_4 = 10; [L26] double var_1_5 = 16.5; [L27] signed char var_1_6 = 64; [L28] signed char var_1_7 = 2; [L29] unsigned short int var_1_8 = 256; [L30] unsigned char var_1_9 = 0; [L31] unsigned short int var_1_10 = 63583; [L32] unsigned short int var_1_11 = 33789; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] signed long int var_1_15 = 8; [L37] signed short int var_1_16 = -16; [L38] unsigned short int var_1_17 = 32; [L39] signed short int var_1_18 = 16; [L40] signed short int var_1_19 = 25; [L41] signed short int var_1_20 = 25; [L42] signed short int var_1_21 = 50; [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] FCALL updateLastVariables() [L137] CALL updateVariables() [L86] var_1_2 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L89] var_1_3 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L92] var_1_4 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L95] var_1_6 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256, var_1_9=0] [L98] var_1_7 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=0] [L101] var_1_9 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L103] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L104] var_1_10 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, var_1_10=65534, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10=65534, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L107] var_1_11 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L110] var_1_13 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L113] var_1_14 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L116] var_1_17 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_17 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_17 <= 65535) VAL [isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L119] var_1_20 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L122] var_1_21 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=16383, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=16383, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=16383, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=16383, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L137] RET updateVariables() [L138] CALL step() [L46] COND TRUE \read(var_1_2) [L47] var_1_1 = (var_1_3 + var_1_4) [L49] COND TRUE var_1_4 >= (var_1_6 - var_1_7) [L50] COND TRUE \read(var_1_2) [L51] var_1_5 = 8.25 [L54] COND FALSE !(-25 == var_1_6) [L59] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) [L61] COND TRUE var_1_8 >= var_1_7 [L62] var_1_12 = (! var_1_14) [L64] COND FALSE !(-64 > (var_1_6 + var_1_1)) [L67] COND FALSE !(! var_1_12) [L73] COND FALSE !(var_1_8 > (((((var_1_11) > (var_1_17)) ? (var_1_11) : (var_1_17))) + (var_1_15 / var_1_10))) [L76] COND TRUE var_1_1 < var_1_6 [L77] var_1_18 = (var_1_6 - var_1_7) [L81] COND FALSE !(\read(var_1_13)) [L138] RET step() [L139] CALL, EXPR property() [L129-L130] return (((((((var_1_2 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_2 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((var_1_2 && var_1_9) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_1)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_8 > (((((var_1_11) > (var_1_17)) ? (var_1_11) : (var_1_17))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_13 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65534, var_1_18=0, var_1_19=25, var_1_1=126, var_1_20=0, var_1_21=16383, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=65534, var_1_11=65534, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65534, var_1_18=0, var_1_19=25, var_1_1=126, var_1_20=0, var_1_21=16383, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 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 [2023-11-24 23:54:17,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/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_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/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_de25297f-09ac-4a07-b456-86f4eefc1e30/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 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:54:20,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:54:20,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:54:20,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:54:20,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:54:20,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:54:20,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:54:20,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:54:20,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:54:20,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:54:20,295 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:54:20,295 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:54:20,296 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:54:20,298 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:54:20,298 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:54:20,298 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:54:20,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:54:20,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:54:20,301 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:54:20,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:54:20,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:54:20,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:54:20,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:54:20,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:54:20,304 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:54:20,305 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:54:20,305 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:54:20,305 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:54:20,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:54:20,306 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:54:20,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:54:20,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:54:20,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:54:20,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:54:20,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:20,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:54:20,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:54:20,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:54:20,310 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:54:20,311 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:54:20,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:54:20,312 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:54:20,312 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:54:20,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:54:20,313 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_de25297f-09ac-4a07-b456-86f4eefc1e30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 [2023-11-24 23:54:20,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:54:20,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:54:20,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:54:20,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:54:20,746 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:54:20,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2023-11-24 23:54:24,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:54:24,223 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:54:24,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2023-11-24 23:54:24,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/data/48f9eb548/1e9fe6b76b3843c5ba5228b97ea6b2f1/FLAGb0ebac603 [2023-11-24 23:54:24,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/data/48f9eb548/1e9fe6b76b3843c5ba5228b97ea6b2f1 [2023-11-24 23:54:24,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:54:24,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:54:24,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:24,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:54:24,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:54:24,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b08424f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24, skipping insertion in model container [2023-11-24 23:54:24,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:54:24,465 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_de25297f-09ac-4a07-b456-86f4eefc1e30/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2023-11-24 23:54:24,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:24,535 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:54:24,549 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_de25297f-09ac-4a07-b456-86f4eefc1e30/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2023-11-24 23:54:24,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:24,601 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:54:24,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24 WrapperNode [2023-11-24 23:54:24,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:24,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:24,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:54:24,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:54:24,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,718 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-24 23:54:24,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:24,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:54:24,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:54:24,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:54:24,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:54:24,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:54:24,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:54:24,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:54:24,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24" (1/1) ... [2023-11-24 23:54:24,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:24,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:54:24,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:54:24,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:54:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:54:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:54:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:54:24,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:54:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:54:24,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:54:25,038 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:54:25,042 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:54:25,580 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:54:25,653 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:54:25,654 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:54:25,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:25 BoogieIcfgContainer [2023-11-24 23:54:25,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:54:25,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:54:25,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:54:25,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:54:25,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:54:24" (1/3) ... [2023-11-24 23:54:25,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f10a07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:25, skipping insertion in model container [2023-11-24 23:54:25,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:24" (2/3) ... [2023-11-24 23:54:25,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f10a07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:25, skipping insertion in model container [2023-11-24 23:54:25,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:25" (3/3) ... [2023-11-24 23:54:25,665 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-66.i [2023-11-24 23:54:25,691 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:54:25,691 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:54:25,764 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:54:25,774 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;@6d1db655, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:54:25,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:54:25,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 36 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-24 23:54:25,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-24 23:54:25,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:25,806 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:54:25,807 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:54:25,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:25,815 INFO L85 PathProgramCache]: Analyzing trace with hash -575482394, now seen corresponding path program 1 times [2023-11-24 23:54:25,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:54:25,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44038760] [2023-11-24 23:54:25,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:25,839 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 [2023-11-24 23:54:25,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:54:25,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/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) [2023-11-24 23:54:25,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/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 [2023-11-24 23:54:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:26,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:54:26,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:54:26,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-11-24 23:54:26,229 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:54:26,229 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:54:26,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44038760] [2023-11-24 23:54:26,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44038760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:54:26,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:54:26,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:54:26,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513625980] [2023-11-24 23:54:26,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:54:26,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:54:26,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:54:26,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:54:26,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:54:26,299 INFO L87 Difference]: Start difference. First operand has 64 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 36 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-24 23:54:26,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:54:26,426 INFO L93 Difference]: Finished difference Result 125 states and 232 transitions. [2023-11-24 23:54:26,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:54:26,435 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 156 [2023-11-24 23:54:26,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:54:26,447 INFO L225 Difference]: With dead ends: 125 [2023-11-24 23:54:26,447 INFO L226 Difference]: Without dead ends: 62 [2023-11-24 23:54:26,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:54:26,457 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:54:26,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:54:26,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-24 23:54:26,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-24 23:54:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 34 states have internal predecessors, (47), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-24 23:54:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 99 transitions. [2023-11-24 23:54:26,524 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 99 transitions. Word has length 156 [2023-11-24 23:54:26,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:54:26,524 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 99 transitions. [2023-11-24 23:54:26,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-24 23:54:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 99 transitions. [2023-11-24 23:54:26,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-24 23:54:26,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:26,540 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:54:26,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:54:26,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/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 [2023-11-24 23:54:26,746 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:54:26,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:26,747 INFO L85 PathProgramCache]: Analyzing trace with hash 560531238, now seen corresponding path program 1 times [2023-11-24 23:54:26,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:54:26,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054213309] [2023-11-24 23:54:26,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:26,749 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 [2023-11-24 23:54:26,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:54:26,751 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/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) [2023-11-24 23:54:26,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de25297f-09ac-4a07-b456-86f4eefc1e30/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)] Waiting until timeout for monitored process [2023-11-24 23:54:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:27,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 23:54:27,091 INFO L285 TraceCheckSpWp]: Computing forward predicates...