./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje --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 936aab998361efc45420d018b56df92fbb34844c50d535dc774b38d94c427472 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:17:37,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:17:37,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:17:37,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:17:37,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:17:37,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:17:37,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:17:37,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:17:37,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:17:37,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:17:37,958 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:17:37,959 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:17:37,959 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:17:37,960 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:17:37,960 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:17:37,960 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:17:37,964 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:17:37,965 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:17:37,965 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:17:37,965 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:17:37,966 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:17:37,966 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:17:37,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:17:37,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:17:37,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:17:37,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:17:37,971 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:17:37,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:17:37,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:17:37,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:17:37,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:17:37,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:17:37,972 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:17:37,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:17:37,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:17:37,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:17:37,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:17:37,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:17:37,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:17:37,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:17:37,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:17:37,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:17:37,976 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:17:37,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:17:37,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:17:37,976 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:17:37,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:17:37,977 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_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 936aab998361efc45420d018b56df92fbb34844c50d535dc774b38d94c427472 [2024-11-09 05:17:38,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:17:38,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:17:38,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:17:38,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:17:38,291 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:17:38,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i Unable to find full path for "g++" [2024-11-09 05:17:40,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:17:40,607 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:17:40,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i [2024-11-09 05:17:40,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/data/ee09c6127/46fdb4abdbc043fca88747b6520711c1/FLAGf856f50c1 [2024-11-09 05:17:40,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/data/ee09c6127/46fdb4abdbc043fca88747b6520711c1 [2024-11-09 05:17:40,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:17:40,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:17:40,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:17:40,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:17:40,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:17:40,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:40" (1/1) ... [2024-11-09 05:17:40,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43be360e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:40, skipping insertion in model container [2024-11-09 05:17:40,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:40" (1/1) ... [2024-11-09 05:17:40,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:17:41,189 WARN L250 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_27d447c3-d5fb-4c52-aac9-87701fdb952a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i[915,928] [2024-11-09 05:17:41,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:17:41,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:17:41,331 WARN L250 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_27d447c3-d5fb-4c52-aac9-87701fdb952a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i[915,928] [2024-11-09 05:17:41,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:17:41,469 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:17:41,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41 WrapperNode [2024-11-09 05:17:41,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:17:41,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:17:41,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:17:41,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:17:41,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41" (1/1) ... [2024-11-09 05:17:41,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41" (1/1) ... [2024-11-09 05:17:41,566 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2024-11-09 05:17:41,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:17:41,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:17:41,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:17:41,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:17:41,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41" (1/1) ... [2024-11-09 05:17:41,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41" (1/1) ... [2024-11-09 05:17:41,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41" (1/1) ... [2024-11-09 05:17:41,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41" (1/1) ... [2024-11-09 05:17:41,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41" (1/1) ... [2024-11-09 05:17:41,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41" (1/1) ... [2024-11-09 05:17:41,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41" (1/1) ... [2024-11-09 05:17:41,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41" (1/1) ... [2024-11-09 05:17:41,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:17:41,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:17:41,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:17:41,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:17:41,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41" (1/1) ... [2024-11-09 05:17:41,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:17:41,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:17:41,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:17:41,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:17:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:17:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:17:41,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:17:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:17:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:17:41,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:17:41,829 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:17:41,833 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:17:42,472 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 05:17:42,472 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:17:42,860 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:17:42,861 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:17:42,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:42 BoogieIcfgContainer [2024-11-09 05:17:42,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:17:42,865 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:17:42,865 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:17:42,869 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:17:42,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:17:40" (1/3) ... [2024-11-09 05:17:42,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722a68ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:17:42, skipping insertion in model container [2024-11-09 05:17:42,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:41" (2/3) ... [2024-11-09 05:17:42,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722a68ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:17:42, skipping insertion in model container [2024-11-09 05:17:42,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:42" (3/3) ... [2024-11-09 05:17:42,874 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-49.i [2024-11-09 05:17:42,895 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:17:42,895 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:17:42,984 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:17:42,993 INFO L333 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, 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;@7e59e6b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:17:42,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:17:42,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 05:17:43,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 05:17:43,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:17:43,013 INFO L215 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:17:43,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:17:43,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:17:43,022 INFO L85 PathProgramCache]: Analyzing trace with hash -897522746, now seen corresponding path program 1 times [2024-11-09 05:17:43,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:17:43,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048674372] [2024-11-09 05:17:43,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:43,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:17:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:17:43,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1223913188] [2024-11-09 05:17:43,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:43,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:17:43,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:17:43,701 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:17:43,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:17:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:17:43,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:17:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:17:44,216 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:17:44,219 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:17:44,221 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:17:44,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:17:44,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 05:17:44,428 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:17:44,530 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:17:44,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:17:44 BoogieIcfgContainer [2024-11-09 05:17:44,536 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:17:44,537 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:17:44,537 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:17:44,538 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:17:44,538 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:42" (3/4) ... [2024-11-09 05:17:44,542 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:17:44,544 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:17:44,546 INFO L158 Benchmark]: Toolchain (without parser) took 3608.50ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 104.3MB in the beginning and 137.7MB in the end (delta: -33.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-09 05:17:44,547 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:17:44,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.12ms. Allocated memory is still 138.4MB. Free memory was 104.3MB in the beginning and 88.2MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:17:44,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.78ms. Allocated memory is still 138.4MB. Free memory was 88.2MB in the beginning and 84.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:17:44,554 INFO L158 Benchmark]: Boogie Preprocessor took 74.72ms. Allocated memory is still 138.4MB. Free memory was 84.4MB in the beginning and 82.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:17:44,555 INFO L158 Benchmark]: RCFGBuilder took 1219.34ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 82.4MB in the beginning and 135.2MB in the end (delta: -52.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-09 05:17:44,555 INFO L158 Benchmark]: TraceAbstraction took 1671.33ms. Allocated memory is still 184.5MB. Free memory was 135.2MB in the beginning and 137.7MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:17:44,555 INFO L158 Benchmark]: Witness Printer took 7.28ms. Allocated memory is still 184.5MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:17:44,560 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.12ms. Allocated memory is still 138.4MB. Free memory was 104.3MB in the beginning and 88.2MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.78ms. Allocated memory is still 138.4MB. Free memory was 88.2MB in the beginning and 84.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.72ms. Allocated memory is still 138.4MB. Free memory was 84.4MB in the beginning and 82.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1219.34ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 82.4MB in the beginning and 135.2MB in the end (delta: -52.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1671.33ms. Allocated memory is still 184.5MB. Free memory was 135.2MB in the beginning and 137.7MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.28ms. Allocated memory is still 184.5MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of bitwiseAnd at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 10; [L23] unsigned long int var_1_3 = 3171453299; [L24] unsigned long int var_1_4 = 2038274679; [L25] unsigned long int var_1_5 = 1375699353; [L26] unsigned short int var_1_8 = 16; [L27] unsigned char var_1_12 = 1; [L28] unsigned char var_1_13 = 1; [L29] double var_1_14 = 64.45; [L30] float var_1_15 = 31.15; [L31] float var_1_16 = 16.4; [L32] double var_1_17 = 100.625; [L33] double var_1_18 = 128.1; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 8; [L36] unsigned char var_1_21 = 100; [L37] unsigned char var_1_22 = 0; [L38] signed char var_1_23 = 2; [L39] unsigned char var_1_24 = 0; [L40] unsigned long int last_1_var_1_1 = 10; [L41] unsigned short int last_1_var_1_8 = 16; [L42] unsigned char last_1_var_1_12 = 1; [L43] unsigned char last_1_var_1_19 = 1; [L44] unsigned char last_1_var_1_22 = 0; [L134] isInitial = 1 [L135] FCALL initially() [L136] int k_loop; [L137] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=3171453299, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L137] COND FALSE !(k_loop < 1) VAL [isInitial=1, k_loop=0, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=3171453299, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L137] COND TRUE k_loop < 1 [L138] CALL updateLastVariables() [L123] last_1_var_1_1 = var_1_1 [L124] last_1_var_1_8 = var_1_8 [L125] last_1_var_1_12 = var_1_12 [L126] last_1_var_1_19 = var_1_19 [L127] last_1_var_1_22 = var_1_22 [L138] RET updateLastVariables() [L139] CALL updateVariables() [L88] var_1_3 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L90] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L91] var_1_4 = __VERIFIER_nondet_ulong() [L92] CALL assume_abort_if_not(var_1_4 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=1375699353, var_1_8=16] [L93] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=1375699353, var_1_8=16] [L94] var_1_5 = __VERIFIER_nondet_ulong() [L95] CALL assume_abort_if_not(var_1_5 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 >= 1073741824) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L96] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L97] var_1_13 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L99] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L100] var_1_15 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L102] var_1_16 = __VERIFIER_nondet_float() [L103] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L104] var_1_17 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && 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_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && 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_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L106] var_1_18 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L108] var_1_20 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L110] CALL assume_abort_if_not(var_1_20 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_20 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L111] var_1_21 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L113] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L114] var_1_23 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_23 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_23 >= -128) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L116] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L117] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L118] var_1_24 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=0, var_1_22=0, var_1_23=2, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=0, var_1_22=0, var_1_23=2, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L120] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=2, var_1_21=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=16] [L139] RET updateVariables() [L140] CALL step() [L48] COND TRUE ! last_1_var_1_22 [L49] COND TRUE (last_1_var_1_1 * ((((last_1_var_1_19) < (var_1_5)) ? (last_1_var_1_19) : (var_1_5)))) >= last_1_var_1_19 [L50] var_1_12 = var_1_13 [L55] COND FALSE !(var_1_13 && last_1_var_1_22) [L62] var_1_8 = ((((25) > ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))) ? (25) : ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19))))) [L63] COND TRUE (((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16 [L64] var_1_14 = ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) [L66] COND TRUE \read(last_1_var_1_12) [L67] var_1_1 = (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((last_1_var_1_19) > (last_1_var_1_8)) ? (last_1_var_1_19) : (last_1_var_1_8))) + 256u)) [L69] EXPR var_1_19 & var_1_4 [L69] COND TRUE (-2 / var_1_23) >= (var_1_19 & var_1_4) [L70] COND FALSE !(var_1_21 >= (var_1_1 + var_1_5)) [L81] var_1_22 = var_1_13 [L140] RET step() [L141] CALL, EXPR property() [L130] EXPR (((((last_1_var_1_12 ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((last_1_var_1_19) > (last_1_var_1_8)) ? (last_1_var_1_19) : (last_1_var_1_8))) + 256u)))) : 1) && (var_1_8 == ((unsigned short int) ((((25) > ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))) ? (25) : ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))))))) && ((! last_1_var_1_22) ? (((last_1_var_1_1 * ((((last_1_var_1_19) < (var_1_5)) ? (last_1_var_1_19) : (var_1_5)))) >= last_1_var_1_19) ? (var_1_12 == ((unsigned char) var_1_13)) : 1) : (var_1_12 == ((unsigned char) 0)))) && (((((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16) ? (var_1_14 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_13 && last_1_var_1_22) ? ((var_1_4 > (256u * last_1_var_1_8)) ? (var_1_19 == ((unsigned char) ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) : (var_1_19 == ((unsigned char) var_1_20))) : 1)) && (((-2 / var_1_23) >= (var_1_19 & var_1_4)) ? ((var_1_21 >= (var_1_1 + var_1_5)) ? (((~ var_1_19) > var_1_20) ? (var_1_12 ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) [L130-L131] return (((((last_1_var_1_12 ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((last_1_var_1_19) > (last_1_var_1_8)) ? (last_1_var_1_19) : (last_1_var_1_8))) + 256u)))) : 1) && (var_1_8 == ((unsigned short int) ((((25) > ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))) ? (25) : ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))))))) && ((! last_1_var_1_22) ? (((last_1_var_1_1 * ((((last_1_var_1_19) < (var_1_5)) ? (last_1_var_1_19) : (var_1_5)))) >= last_1_var_1_19) ? (var_1_12 == ((unsigned char) var_1_13)) : 1) : (var_1_12 == ((unsigned char) 0)))) && (((((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16) ? (var_1_14 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_13 && last_1_var_1_22) ? ((var_1_4 > (256u * last_1_var_1_8)) ? (var_1_19 == ((unsigned char) ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) : (var_1_19 == ((unsigned char) var_1_20))) : 1)) && (((-2 / var_1_23) >= (var_1_19 & var_1_4)) ? ((var_1_21 >= (var_1_1 + var_1_5)) ? (((~ var_1_19) > var_1_20) ? (var_1_12 ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=1289/20, var_1_18=0, var_1_19=1, var_1_1=2147483375, var_1_20=2, var_1_21=0, var_1_22=1, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=102] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=1289/20, var_1_18=0, var_1_19=1, var_1_1=2147483375, var_1_20=2, var_1_21=0, var_1_22=1, var_1_23=2, var_1_24=0, var_1_3=-2147483649, var_1_4=-3221225473, var_1_5=5368709120, var_1_8=102] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 2 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 [2024-11-09 05:17:44,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje --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 936aab998361efc45420d018b56df92fbb34844c50d535dc774b38d94c427472 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:17:47,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:17:47,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:17:47,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:17:47,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:17:47,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:17:47,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:17:47,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:17:47,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:17:47,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:17:47,430 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:17:47,431 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:17:47,431 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:17:47,432 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:17:47,432 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:17:47,432 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:17:47,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:17:47,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:17:47,434 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:17:47,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:17:47,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:17:47,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:17:47,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:17:47,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:17:47,439 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:17:47,439 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:17:47,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:17:47,440 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:17:47,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:17:47,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:17:47,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:17:47,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:17:47,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:17:47,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:17:47,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:17:47,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:17:47,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:17:47,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:17:47,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:17:47,443 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:17:47,443 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:17:47,445 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:17:47,445 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:17:47,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 936aab998361efc45420d018b56df92fbb34844c50d535dc774b38d94c427472 [2024-11-09 05:17:47,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:17:47,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:17:47,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:17:47,911 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:17:47,911 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:17:47,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i Unable to find full path for "g++" [2024-11-09 05:17:50,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:17:50,453 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:17:50,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i [2024-11-09 05:17:50,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/data/fa8903a8d/41923f75b5684031b6fa09e00d14b84c/FLAG6d9a62c77 [2024-11-09 05:17:50,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/data/fa8903a8d/41923f75b5684031b6fa09e00d14b84c [2024-11-09 05:17:50,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:17:50,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:17:50,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:17:50,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:17:50,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:17:50,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:50,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b00f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50, skipping insertion in model container [2024-11-09 05:17:50,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:50,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:17:50,770 WARN L250 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_27d447c3-d5fb-4c52-aac9-87701fdb952a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i[915,928] [2024-11-09 05:17:50,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:17:50,853 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:17:50,873 WARN L250 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_27d447c3-d5fb-4c52-aac9-87701fdb952a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-49.i[915,928] [2024-11-09 05:17:50,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:17:50,950 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:17:50,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50 WrapperNode [2024-11-09 05:17:50,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:17:50,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:17:50,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:17:50,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:17:50,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:50,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:51,042 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-09 05:17:51,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:17:51,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:17:51,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:17:51,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:17:51,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:51,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:51,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:51,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:51,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:51,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:51,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:51,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:51,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:17:51,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:17:51,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:17:51,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:17:51,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50" (1/1) ... [2024-11-09 05:17:51,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:17:51,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:17:51,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:17:51,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:17:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:17:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:17:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:17:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:17:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:17:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:17:51,332 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:17:51,335 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:17:51,918 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 05:17:51,918 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:17:51,935 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:17:51,936 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:17:51,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:51 BoogieIcfgContainer [2024-11-09 05:17:51,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:17:51,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:17:51,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:17:51,944 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:17:51,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:17:50" (1/3) ... [2024-11-09 05:17:51,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1184352d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:17:51, skipping insertion in model container [2024-11-09 05:17:51,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:50" (2/3) ... [2024-11-09 05:17:51,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1184352d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:17:51, skipping insertion in model container [2024-11-09 05:17:51,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:51" (3/3) ... [2024-11-09 05:17:51,948 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-49.i [2024-11-09 05:17:51,969 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:17:51,969 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:17:52,061 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:17:52,071 INFO L333 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, 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;@274c13b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:17:52,071 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:17:52,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 05:17:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 05:17:52,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:17:52,099 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:17:52,100 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:17:52,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:17:52,110 INFO L85 PathProgramCache]: Analyzing trace with hash 485403244, now seen corresponding path program 1 times [2024-11-09 05:17:52,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:17:52,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1559519164] [2024-11-09 05:17:52,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:52,134 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 [2024-11-09 05:17:52,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:17:52,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:17:52,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:17:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:17:52,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:17:52,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:17:52,706 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-09 05:17:52,710 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:17:52,711 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:17:52,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1559519164] [2024-11-09 05:17:52,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1559519164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:17:52,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:17:52,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:17:52,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472053000] [2024-11-09 05:17:52,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:17:52,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:17:52,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:17:52,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:17:52,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:17:52,797 INFO L87 Difference]: Start difference. First operand has 64 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 05:17:52,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:17:52,848 INFO L93 Difference]: Finished difference Result 124 states and 210 transitions. [2024-11-09 05:17:52,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:17:52,851 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 133 [2024-11-09 05:17:52,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:17:52,863 INFO L225 Difference]: With dead ends: 124 [2024-11-09 05:17:52,863 INFO L226 Difference]: Without dead ends: 59 [2024-11-09 05:17:52,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:17:52,872 INFO L432 NwaCegarLoop]: 92 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, 92 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 [2024-11-09 05:17:52,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:17:52,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-09 05:17:52,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-09 05:17:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 05:17:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2024-11-09 05:17:52,948 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 133 [2024-11-09 05:17:52,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:17:52,949 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2024-11-09 05:17:52,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 05:17:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-11-09 05:17:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 05:17:52,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:17:52,959 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:17:52,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:17:53,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:17:53,165 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:17:53,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:17:53,166 INFO L85 PathProgramCache]: Analyzing trace with hash 926401270, now seen corresponding path program 1 times [2024-11-09 05:17:53,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:17:53,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169051911] [2024-11-09 05:17:53,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:53,168 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 [2024-11-09 05:17:53,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:17:53,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:17:53,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:17:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:17:53,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:17:53,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:17:54,103 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 05:17:54,104 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:17:54,104 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:17:54,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1169051911] [2024-11-09 05:17:54,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1169051911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:17:54,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:17:54,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:17:54,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387605866] [2024-11-09 05:17:54,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:17:54,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:17:54,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:17:54,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:17:54,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:17:54,110 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 05:17:54,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:17:54,572 INFO L93 Difference]: Finished difference Result 179 states and 267 transitions. [2024-11-09 05:17:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:17:54,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 133 [2024-11-09 05:17:54,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:17:54,581 INFO L225 Difference]: With dead ends: 179 [2024-11-09 05:17:54,582 INFO L226 Difference]: Without dead ends: 123 [2024-11-09 05:17:54,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:17:54,584 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 65 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:17:54,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 245 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:17:54,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-09 05:17:54,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 101. [2024-11-09 05:17:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 56 states have internal predecessors, (65), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 05:17:54,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 149 transitions. [2024-11-09 05:17:54,611 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 149 transitions. Word has length 133 [2024-11-09 05:17:54,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:17:54,613 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 149 transitions. [2024-11-09 05:17:54,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-09 05:17:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2024-11-09 05:17:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 05:17:54,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:17:54,616 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:17:54,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/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)] Forceful destruction successful, exit code 0 [2024-11-09 05:17:54,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:17:54,817 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:17:54,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:17:54,818 INFO L85 PathProgramCache]: Analyzing trace with hash 95262621, now seen corresponding path program 1 times [2024-11-09 05:17:54,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:17:54,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963726890] [2024-11-09 05:17:54,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:54,819 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 [2024-11-09 05:17:54,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:17:54,822 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:17:54,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d447c3-d5fb-4c52-aac9-87701fdb952a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 05:17:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:17:55,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 05:17:55,117 INFO L278 TraceCheckSpWp]: Computing forward predicates...