./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-75.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 784bfb63323c2eafa68a8b4576cc6ae47526c290d5bc3f9eea23f3a379e575ed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:30,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:31,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:08:31,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:31,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:31,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:31,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:31,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:31,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:31,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:31,076 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:31,077 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:31,077 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:31,078 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:08:31,079 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:31,080 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:31,080 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:08:31,081 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:08:31,082 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:31,082 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:08:31,083 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:08:31,084 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:08:31,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:31,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:31,086 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:08:31,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:08:31,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:08:31,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:31,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:31,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:31,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:31,090 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:08:31,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:31,091 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:31,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:31,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:31,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:31,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:31,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:31,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:31,095 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:08:31,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:08:31,096 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:31,097 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:31,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:31,098 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_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 784bfb63323c2eafa68a8b4576cc6ae47526c290d5bc3f9eea23f3a379e575ed [2023-11-19 05:08:31,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:31,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:31,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:31,445 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:31,445 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:31,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-75.i [2023-11-19 05:08:34,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:34,935 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:34,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-75.i [2023-11-19 05:08:34,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/data/0872d44b1/18c74b16fbbd4391bee234d2d38a5dda/FLAG357015db9 [2023-11-19 05:08:34,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/data/0872d44b1/18c74b16fbbd4391bee234d2d38a5dda [2023-11-19 05:08:34,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:34,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:34,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:34,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:34,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:34,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:34,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672b9222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:34, skipping insertion in model container [2023-11-19 05:08:34,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:34" (1/1) ... [2023-11-19 05:08:35,033 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:35,207 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_4e469d76-1035-45e1-8a37-7291fb5a2e94/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-75.i[915,928] [2023-11-19 05:08:35,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:35,290 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:08:35,302 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_4e469d76-1035-45e1-8a37-7291fb5a2e94/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-75.i[915,928] [2023-11-19 05:08:35,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:35,348 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:08:35,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35 WrapperNode [2023-11-19 05:08:35,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:35,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:35,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:08:35,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:08:35,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35" (1/1) ... [2023-11-19 05:08:35,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35" (1/1) ... [2023-11-19 05:08:35,420 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-19 05:08:35,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:35,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:08:35,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:08:35,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:08:35,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35" (1/1) ... [2023-11-19 05:08:35,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35" (1/1) ... [2023-11-19 05:08:35,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35" (1/1) ... [2023-11-19 05:08:35,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35" (1/1) ... [2023-11-19 05:08:35,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35" (1/1) ... [2023-11-19 05:08:35,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35" (1/1) ... [2023-11-19 05:08:35,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35" (1/1) ... [2023-11-19 05:08:35,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35" (1/1) ... [2023-11-19 05:08:35,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:08:35,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:08:35,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:08:35,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:08:35,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35" (1/1) ... [2023-11-19 05:08:35,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:35,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:08:35,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:08:35,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:08:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:08:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:08:35,554 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:08:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:08:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:08:35,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:08:35,639 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:08:35,642 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:08:36,034 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:08:36,488 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:08:36,489 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:08:36,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:36 BoogieIcfgContainer [2023-11-19 05:08:36,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:08:36,501 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:08:36,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:08:36,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:08:36,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:08:34" (1/3) ... [2023-11-19 05:08:36,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1422fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:36, skipping insertion in model container [2023-11-19 05:08:36,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:35" (2/3) ... [2023-11-19 05:08:36,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1422fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:36, skipping insertion in model container [2023-11-19 05:08:36,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:36" (3/3) ... [2023-11-19 05:08:36,512 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-75.i [2023-11-19 05:08:36,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:08:36,534 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:08:36,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:08:36,610 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;@21ab2954, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:08:36,611 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:08:36,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:08:36,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 05:08:36,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:36,631 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:36,631 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:36,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:36,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1533901065, now seen corresponding path program 1 times [2023-11-19 05:08:36,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:08:36,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434707973] [2023-11-19 05:08:36,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:36,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:08:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:08:37,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:08:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:08:37,639 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:08:37,641 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:08:37,642 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:08:37,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:08:37,653 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:08:37,666 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:08:37,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:08:37 BoogieIcfgContainer [2023-11-19 05:08:37,796 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:08:37,798 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:08:37,798 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:08:37,799 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:08:37,799 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:36" (3/4) ... [2023-11-19 05:08:37,804 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:08:37,805 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:08:37,806 INFO L158 Benchmark]: Toolchain (without parser) took 2828.03ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 80.6MB in the beginning and 82.1MB in the end (delta: -1.5MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2023-11-19 05:08:37,811 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 74.2MB in the beginning and 74.0MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:37,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.41ms. Allocated memory is still 125.8MB. Free memory was 80.6MB in the beginning and 66.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:08:37,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.20ms. Allocated memory is still 125.8MB. Free memory was 66.8MB in the beginning and 64.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:37,819 INFO L158 Benchmark]: Boogie Preprocessor took 52.17ms. Allocated memory is still 125.8MB. Free memory was 64.3MB in the beginning and 62.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:37,820 INFO L158 Benchmark]: RCFGBuilder took 1022.56ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 62.6MB in the beginning and 100.7MB in the end (delta: -38.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-19 05:08:37,822 INFO L158 Benchmark]: TraceAbstraction took 1294.79ms. Allocated memory is still 176.2MB. Free memory was 100.0MB in the beginning and 82.1MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-19 05:08:37,823 INFO L158 Benchmark]: Witness Printer took 7.03ms. Allocated memory is still 176.2MB. Free memory was 82.1MB in the beginning and 82.1MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:37,832 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 74.2MB in the beginning and 74.0MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.41ms. Allocated memory is still 125.8MB. Free memory was 80.6MB in the beginning and 66.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.20ms. Allocated memory is still 125.8MB. Free memory was 66.8MB in the beginning and 64.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.17ms. Allocated memory is still 125.8MB. Free memory was 64.3MB in the beginning and 62.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1022.56ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 62.6MB in the beginning and 100.7MB in the end (delta: -38.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1294.79ms. Allocated memory is still 176.2MB. Free memory was 100.0MB in the beginning and 82.1MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 7.03ms. Allocated memory is still 176.2MB. Free memory was 82.1MB in the beginning and 82.1MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of bitwiseOr at line 50, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 63.6; [L23] float var_1_4 = 128.75; [L24] float var_1_5 = 25.125; [L25] float var_1_6 = 1000000.75; [L26] unsigned char var_1_7 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 0; [L30] unsigned char var_1_14 = 0; [L31] float var_1_15 = 25.75; [L32] double var_1_16 = 0.4; [L33] double var_1_17 = 0.0; [L34] double var_1_18 = 0.0; [L35] double var_1_19 = 1000000000000.5; [L36] double var_1_20 = 24.8; [L37] signed char var_1_21 = 1; [L38] double var_1_22 = 200.8; [L39] unsigned short int var_1_23 = 40076; [L40] unsigned short int var_1_24 = 8; [L41] unsigned long int var_1_25 = 2; [L42] double last_1_var_1_22 = 200.8; [L128] isInitial = 1 [L129] FCALL initially() [L130] COND TRUE 1 [L131] CALL updateLastVariables() [L121] last_1_var_1_22 = var_1_22 [L131] RET updateLastVariables() [L132] CALL updateVariables() [L87] var_1_4 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=201/8, var_1_6=4000003/4, var_1_7=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=201/8, var_1_6=4000003/4, var_1_7=1] [L89] var_1_5 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=4000003/4, var_1_7=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=4000003/4, var_1_7=1] [L91] var_1_6 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L93] var_1_11 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L95] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L96] var_1_12 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L98] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L99] var_1_13 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L101] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L102] var_1_14 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L104] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L105] var_1_17 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L107] var_1_18 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L109] var_1_19 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L111] var_1_20 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L113] var_1_23 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_23 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_23 >= 32767) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L115] CALL assume_abort_if_not(var_1_23 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_23 <= 65535) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L116] var_1_24 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L118] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L132] RET updateVariables() [L133] CALL step() [L46] COND TRUE ! (var_1_4 < 16.8f) [L47] var_1_15 = var_1_6 [L49] var_1_25 = var_1_23 [L50] EXPR 4 | var_1_25 [L50] EXPR (((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)) [L50] EXPR 4 | var_1_25 [L50] EXPR (((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)) [L50] COND TRUE (((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25 [L51] var_1_7 = ((var_1_11 && var_1_12) && var_1_13) [L59] COND FALSE !(var_1_25 > var_1_25) [L62] COND TRUE var_1_18 > (var_1_20 + (var_1_19 * var_1_17)) [L63] var_1_16 = var_1_6 [L68] unsigned long int stepLocal_1 = var_1_25; [L69] COND FALSE !(var_1_18 < (last_1_var_1_22 * var_1_4)) [L76] var_1_22 = var_1_20 [L78] unsigned char stepLocal_0 = -1 <= var_1_25; [L79] COND TRUE stepLocal_0 || var_1_7 [L80] var_1_1 = (var_1_4 + (var_1_5 + var_1_6)) [L82] COND FALSE !((- (var_1_17 + var_1_1)) >= var_1_16) [L133] RET step() [L134] CALL, EXPR property() [L124] EXPR (((-1 <= var_1_25) || var_1_7) ? (var_1_1 == ((float) (var_1_4 + (var_1_5 + var_1_6)))) : 1) && (((((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25) ? (var_1_7 == ((unsigned char) ((var_1_11 && var_1_12) && var_1_13))) : ((var_1_6 == var_1_15) ? (var_1_7 == ((unsigned char) var_1_14)) : (var_1_7 == ((unsigned char) var_1_13)))) [L124-L125] return ((((((((-1 <= var_1_25) || var_1_7) ? (var_1_1 == ((float) (var_1_4 + (var_1_5 + var_1_6)))) : 1) && (((((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25) ? (var_1_7 == ((unsigned char) ((var_1_11 && var_1_12) && var_1_13))) : ((var_1_6 == var_1_15) ? (var_1_7 == ((unsigned char) var_1_14)) : (var_1_7 == ((unsigned char) var_1_13))))) && ((! (var_1_4 < 16.8f)) ? (var_1_15 == ((float) var_1_6)) : 1)) && ((var_1_25 > var_1_25) ? (var_1_16 == ((double) ((((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_19) - var_1_20))) : ((var_1_18 > (var_1_20 + (var_1_19 * var_1_17))) ? (var_1_16 == ((double) var_1_6)) : (var_1_16 == ((double) var_1_20))))) && (((- (var_1_17 + var_1_1)) >= var_1_16) ? (var_1_21 == ((signed char) ((((-50) < 0 ) ? -(-50) : (-50))))) : 1)) && ((var_1_18 < (last_1_var_1_22 * var_1_4)) ? (((var_1_23 - var_1_24) < var_1_25) ? (var_1_22 == ((double) var_1_5)) : (var_1_22 == ((double) var_1_17))) : (var_1_22 == ((double) var_1_20)))) && (var_1_25 == ((unsigned long int) var_1_23)) ; [L134] RET, EXPR property() [L134] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=103/4, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=103/4, var_1_23=32767, var_1_24=0, var_1_25=32767, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=103/4, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=103/4, var_1_23=32767, var_1_24=0, var_1_25=32767, var_1_5=103/4, var_1_6=103/4, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 19, 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=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:08:37,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 784bfb63323c2eafa68a8b4576cc6ae47526c290d5bc3f9eea23f3a379e575ed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:40,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:40,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:08:40,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:40,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:40,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:40,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:40,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:40,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:40,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:40,954 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:40,954 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:40,955 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:40,957 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:40,957 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:40,958 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:40,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:40,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:40,960 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:08:40,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:08:40,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:40,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:40,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:40,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:40,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:08:40,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:08:40,965 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:08:40,965 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:08:40,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:40,966 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:40,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:40,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:08:40,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:40,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:40,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:40,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:40,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:40,970 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:08:40,970 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:08:40,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:40,971 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:40,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:40,972 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_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 784bfb63323c2eafa68a8b4576cc6ae47526c290d5bc3f9eea23f3a379e575ed [2023-11-19 05:08:41,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:41,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:41,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:41,462 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:41,463 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:41,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-75.i [2023-11-19 05:08:44,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:45,196 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:45,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-75.i [2023-11-19 05:08:45,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/data/af5850006/502fea81dbee40e0aa006bbb168c401c/FLAGe4667ade6 [2023-11-19 05:08:45,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/data/af5850006/502fea81dbee40e0aa006bbb168c401c [2023-11-19 05:08:45,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:45,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:45,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:45,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:45,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:45,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:45,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796bbaea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45, skipping insertion in model container [2023-11-19 05:08:45,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:45,282 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:45,517 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_4e469d76-1035-45e1-8a37-7291fb5a2e94/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-75.i[915,928] [2023-11-19 05:08:45,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:45,670 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:08:45,690 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_4e469d76-1035-45e1-8a37-7291fb5a2e94/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-75.i[915,928] [2023-11-19 05:08:45,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:45,797 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:08:45,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45 WrapperNode [2023-11-19 05:08:45,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:45,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:45,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:08:45,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:08:45,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:45,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:45,929 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2023-11-19 05:08:45,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:45,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:08:45,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:08:45,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:08:45,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:45,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:45,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:45,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:45,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:46,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:46,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:46,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:46,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:08:46,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:08:46,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:08:46,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:08:46,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45" (1/1) ... [2023-11-19 05:08:46,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:46,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:08:46,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:08:46,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:08:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:08:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:08:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:08:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:08:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:08:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:08:46,293 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:08:46,295 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:08:58,377 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:08:58,387 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:08:58,389 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:08:58,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:58 BoogieIcfgContainer [2023-11-19 05:08:58,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:08:58,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:08:58,402 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:08:58,405 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:08:58,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:08:45" (1/3) ... [2023-11-19 05:08:58,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109a96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:58, skipping insertion in model container [2023-11-19 05:08:58,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:45" (2/3) ... [2023-11-19 05:08:58,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109a96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:58, skipping insertion in model container [2023-11-19 05:08:58,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:58" (3/3) ... [2023-11-19 05:08:58,409 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-75.i [2023-11-19 05:08:58,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:08:58,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:08:58,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:08:58,498 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;@949a4e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:08:58,498 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:08:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:08:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-19 05:08:58,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:58,521 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:58,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:58,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:58,527 INFO L85 PathProgramCache]: Analyzing trace with hash 438495205, now seen corresponding path program 1 times [2023-11-19 05:08:58,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:08:58,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546379305] [2023-11-19 05:08:58,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:58,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:08:58,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:08:58,550 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:08:58,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:08:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:59,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:08:59,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:08:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-19 05:08:59,620 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:08:59,622 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:08:59,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546379305] [2023-11-19 05:08:59,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546379305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:59,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:08:59,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:08:59,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283958282] [2023-11-19 05:08:59,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:59,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:08:59,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:08:59,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:08:59,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:08:59,685 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:08:59,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:08:59,734 INFO L93 Difference]: Finished difference Result 119 states and 199 transitions. [2023-11-19 05:08:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:08:59,738 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2023-11-19 05:08:59,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:08:59,748 INFO L225 Difference]: With dead ends: 119 [2023-11-19 05:08:59,750 INFO L226 Difference]: Without dead ends: 59 [2023-11-19 05:08:59,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:08:59,763 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:08:59,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:08:59,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-19 05:08:59,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-19 05:08:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:08:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 85 transitions. [2023-11-19 05:08:59,855 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 85 transitions. Word has length 126 [2023-11-19 05:08:59,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:08:59,856 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 85 transitions. [2023-11-19 05:08:59,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:08:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2023-11-19 05:08:59,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 05:08:59,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:59,867 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:08:59,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:09:00,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:09:00,068 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:09:00,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:09:00,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1866733803, now seen corresponding path program 1 times [2023-11-19 05:09:00,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:09:00,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615348614] [2023-11-19 05:09:00,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:00,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:09:00,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:09:00,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:09:00,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:09:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:01,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 05:09:01,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:09:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 339 proven. 108 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2023-11-19 05:09:06,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:09:10,547 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 117 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2023-11-19 05:09:10,547 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:09:10,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615348614] [2023-11-19 05:09:10,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615348614] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:09:10,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [941805373] [2023-11-19 05:09:10,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:10,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:09:10,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:09:10,581 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:09:10,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:09:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:12,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 05:09:12,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:09:20,804 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 284 proven. 165 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-19 05:09:20,805 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:09:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 45 proven. 153 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-11-19 05:09:23,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [941805373] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:09:23,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064874113] [2023-11-19 05:09:23,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:23,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:09:23,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:09:23,850 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:09:23,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e469d76-1035-45e1-8a37-7291fb5a2e94/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 05:09:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:24,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 05:09:24,422 INFO L285 TraceCheckSpWp]: Computing forward predicates...