./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.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_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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_23d07d64-bd95-43c8-918c-63af6706f3a3/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 12ec80b88d13cbd20df6410c30aafcaf8554885c00373f899d9eea2626edd39d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:42:17,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:42:17,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:42:17,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:42:17,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:42:17,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:42:17,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:42:17,565 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:42:17,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:42:17,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:42:17,569 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:42:17,570 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:42:17,570 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:42:17,571 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:42:17,571 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:42:17,572 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:42:17,572 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:42:17,573 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:42:17,576 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:42:17,577 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:42:17,578 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:42:17,578 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:42:17,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:42:17,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:42:17,585 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:42:17,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:42:17,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:42:17,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:42:17,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:42:17,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:42:17,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:42:17,589 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:42:17,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:42:17,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:42:17,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:42:17,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:42:17,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:42:17,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:42:17,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:42:17,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:42:17,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:42:17,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:42:17,596 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:42:17,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:42:17,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:42:17,597 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:42:17,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:42:17,598 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_23d07d64-bd95-43c8-918c-63af6706f3a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12ec80b88d13cbd20df6410c30aafcaf8554885c00373f899d9eea2626edd39d [2024-11-09 06:42:17,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:42:17,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:42:17,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:42:17,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:42:17,930 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:42:17,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i Unable to find full path for "g++" [2024-11-09 06:42:19,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:42:20,181 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:42:20,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i [2024-11-09 06:42:20,197 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/data/b1b1529e0/461d88a49cab4d978091f8791189c8ef/FLAGc92255716 [2024-11-09 06:42:20,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/data/b1b1529e0/461d88a49cab4d978091f8791189c8ef [2024-11-09 06:42:20,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:42:20,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:42:20,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:42:20,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:42:20,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:42:20,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51638f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20, skipping insertion in model container [2024-11-09 06:42:20,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:42:20,448 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_23d07d64-bd95-43c8-918c-63af6706f3a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i[916,929] [2024-11-09 06:42:20,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:42:20,547 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:42:20,560 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_23d07d64-bd95-43c8-918c-63af6706f3a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i[916,929] [2024-11-09 06:42:20,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:42:20,636 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:42:20,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20 WrapperNode [2024-11-09 06:42:20,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:42:20,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:42:20,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:42:20,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:42:20,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,704 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2024-11-09 06:42:20,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:42:20,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:42:20,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:42:20,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:42:20,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:42:20,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:42:20,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:42:20,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:42:20,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20" (1/1) ... [2024-11-09 06:42:20,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:42:20,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:42:20,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:42:20,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:42:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:42:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:42:20,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:42:20,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:42:20,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:42:20,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:42:20,943 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:42:20,947 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:42:21,499 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 06:42:21,500 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:42:21,888 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:42:21,890 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:42:21,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:42:21 BoogieIcfgContainer [2024-11-09 06:42:21,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:42:21,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:42:21,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:42:21,899 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:42:21,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:42:20" (1/3) ... [2024-11-09 06:42:21,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9372ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:42:21, skipping insertion in model container [2024-11-09 06:42:21,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:20" (2/3) ... [2024-11-09 06:42:21,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9372ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:42:21, skipping insertion in model container [2024-11-09 06:42:21,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:42:21" (3/3) ... [2024-11-09 06:42:21,905 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-55.i [2024-11-09 06:42:21,925 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:42:21,925 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:42:21,999 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:42:22,008 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;@4623f22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:42:22,009 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:42:22,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 06:42:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 06:42:22,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:42:22,026 INFO L215 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:42:22,027 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:42:22,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:42:22,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1152439314, now seen corresponding path program 1 times [2024-11-09 06:42:22,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:42:22,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115662135] [2024-11-09 06:42:22,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:42:22,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:42:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:42:22,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1603712345] [2024-11-09 06:42:22,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:42:22,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:42:22,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:42:22,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:42:22,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:42:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:42:23,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:42:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:42:24,122 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:42:24,125 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:42:24,126 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:42:24,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:42:24,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:42:24,333 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:42:24,464 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:42:24,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:42:24 BoogieIcfgContainer [2024-11-09 06:42:24,468 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:42:24,468 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:42:24,468 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:42:24,469 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:42:24,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:42:21" (3/4) ... [2024-11-09 06:42:24,474 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:42:24,475 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:42:24,477 INFO L158 Benchmark]: Toolchain (without parser) took 4259.65ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 138.5MB in the beginning and 93.9MB in the end (delta: 44.6MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2024-11-09 06:42:24,478 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:42:24,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.76ms. Allocated memory is still 172.0MB. Free memory was 138.3MB in the beginning and 121.0MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 06:42:24,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.43ms. Allocated memory is still 172.0MB. Free memory was 121.0MB in the beginning and 117.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:42:24,481 INFO L158 Benchmark]: Boogie Preprocessor took 38.61ms. Allocated memory is still 172.0MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:42:24,481 INFO L158 Benchmark]: RCFGBuilder took 1146.46ms. Allocated memory is still 172.0MB. Free memory was 114.8MB in the beginning and 96.8MB in the end (delta: 18.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 06:42:24,482 INFO L158 Benchmark]: TraceAbstraction took 2573.87ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 96.3MB in the beginning and 95.0MB in the end (delta: 1.3MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-11-09 06:42:24,484 INFO L158 Benchmark]: Witness Printer took 7.10ms. Allocated memory is still 207.6MB. Free memory was 95.0MB in the beginning and 93.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:42:24,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.76ms. Allocated memory is still 172.0MB. Free memory was 138.3MB in the beginning and 121.0MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.43ms. Allocated memory is still 172.0MB. Free memory was 121.0MB in the beginning and 117.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.61ms. Allocated memory is still 172.0MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1146.46ms. Allocated memory is still 172.0MB. Free memory was 114.8MB in the beginning and 96.8MB in the end (delta: 18.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2573.87ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 96.3MB in the beginning and 95.0MB in the end (delta: 1.3MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 7.10ms. Allocated memory is still 207.6MB. Free memory was 95.0MB in the beginning and 93.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of bitwiseAnd at line 124. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -2; [L23] signed char var_1_4 = 0; [L24] signed char var_1_5 = -5; [L25] signed short int var_1_6 = -32; [L26] signed char var_1_7 = 8; [L27] unsigned char var_1_8 = 2; [L28] float var_1_10 = 15.6; [L29] unsigned char var_1_11 = 10; [L30] unsigned short int var_1_12 = 64; [L31] signed long int var_1_13 = -8; [L32] unsigned long int var_1_14 = 64; [L33] float var_1_17 = 9.75; [L34] float var_1_18 = 0.5; [L35] signed short int var_1_19 = -128; [L36] unsigned char var_1_21 = 1; [L37] unsigned long int var_1_22 = 3552880340; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 1; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 0; [L43] unsigned char var_1_28 = 1; [L44] unsigned char var_1_29 = 0; [L45] signed short int var_1_30 = 10; [L46] float var_1_31 = 99.25; [L47] signed long int var_1_32 = 256; [L48] signed short int last_1_var_1_6 = -32; [L49] signed long int last_1_var_1_13 = -8; [L50] unsigned long int last_1_var_1_14 = 64; [L51] float last_1_var_1_17 = 9.75; [L52] signed short int last_1_var_1_19 = -128; [L53] unsigned char last_1_var_1_21 = 1; [L54] float last_1_var_1_31 = 99.25; [L55] signed long int last_1_var_1_32 = 256; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] CALL updateLastVariables() [L175] last_1_var_1_6 = var_1_6 [L176] last_1_var_1_13 = var_1_13 [L177] last_1_var_1_14 = var_1_14 [L178] last_1_var_1_17 = var_1_17 [L179] last_1_var_1_19 = var_1_19 [L180] last_1_var_1_21 = var_1_21 [L181] last_1_var_1_31 = var_1_31 [L182] last_1_var_1_32 = var_1_32 [L192] RET updateLastVariables() [L193] CALL updateVariables() [L137] var_1_4 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-5, var_1_6=-32, var_1_7=8, var_1_8=2] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-5, var_1_6=-32, var_1_7=8, var_1_8=2] [L139] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-5, var_1_6=-32, var_1_7=8, var_1_8=2] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-5, var_1_6=-32, var_1_7=8, var_1_8=2] [L140] var_1_5 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_5 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=8, var_1_8=2] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_5 >= -63) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=8, var_1_8=2] [L142] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=8, var_1_8=2] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=8, var_1_8=2] [L143] var_1_7 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_7 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 >= -128) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L145] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L146] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L147] var_1_10 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L149] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L150] var_1_11 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L152] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L153] var_1_18 = __VERIFIER_nondet_float() [L154] 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_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L154] 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_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L155] var_1_22 = __VERIFIER_nondet_ulong() [L156] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L157] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L158] var_1_23 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L160] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L161] var_1_24 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L163] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L164] var_1_26 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L166] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L167] var_1_27 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L169] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L170] var_1_29 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=-255, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=-255, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L172] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=-255, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=-255, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=1, var_1_6=-32, var_1_7=-8, var_1_8=2] [L193] RET updateVariables() [L194] CALL step() [L59] COND FALSE !(-2 == last_1_var_1_32) [L66] var_1_1 = (var_1_5 + 5) [L68] var_1_32 = var_1_1 [L69] COND TRUE var_1_5 > (last_1_var_1_13 % var_1_7) [L70] var_1_6 = var_1_5 [L74] unsigned char stepLocal_4 = (- var_1_18) > last_1_var_1_31; [L75] COND TRUE last_1_var_1_21 || stepLocal_4 [L76] COND FALSE !(! last_1_var_1_21) [L79] var_1_25 = var_1_24 [L84] var_1_12 = var_1_11 [L85] var_1_30 = var_1_1 [L86] var_1_31 = 24.4f [L87] unsigned char stepLocal_0 = (var_1_31 / var_1_10) < 255.625f; [L88] COND FALSE !(stepLocal_0 && (var_1_7 < (var_1_5 * -100))) [L91] var_1_8 = var_1_4 [L93] signed char stepLocal_5 = var_1_7; [L94] COND TRUE stepLocal_5 <= (~ var_1_1) [L95] var_1_28 = (! (! (var_1_24 && var_1_29))) [L99] COND TRUE var_1_25 || var_1_28 [L100] var_1_14 = ((last_1_var_1_14 + 1u) + var_1_11) [L102] COND TRUE (64 - ((((-64) < 0 ) ? -(-64) : (-64)))) <= (var_1_14 + (var_1_8 * var_1_4)) [L103] var_1_17 = 100.5f [L107] COND FALSE !((var_1_31 + (var_1_10 + var_1_31)) > (var_1_18 * var_1_17)) [L114] signed char stepLocal_1 = var_1_5; [L115] COND TRUE ((last_1_var_1_6 * var_1_11) / 10) <= stepLocal_1 [L116] var_1_13 = (var_1_7 + (var_1_11 - ((((last_1_var_1_13) < (last_1_var_1_32)) ? (last_1_var_1_13) : (last_1_var_1_32))))) [L124] EXPR 256u & var_1_13 [L124] unsigned char stepLocal_3 = (256u & var_1_13) == (var_1_22 - var_1_12); [L125] unsigned short int stepLocal_2 = var_1_12; [L126] COND TRUE stepLocal_3 || var_1_25 [L127] COND FALSE !(var_1_13 != stepLocal_2) [L130] var_1_21 = var_1_23 [L194] RET step() [L195] CALL, EXPR property() [L185] EXPR (((((((((-2 == last_1_var_1_32) ? (((last_1_var_1_32 * last_1_var_1_6) <= -500) ? (var_1_1 == ((signed char) ((((2 - var_1_4) < 0 ) ? -(2 - var_1_4) : (2 - var_1_4))))) : (var_1_1 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) : (var_1_1 == ((signed char) (var_1_5 + 5)))) && ((var_1_5 > (last_1_var_1_13 % var_1_7)) ? (var_1_6 == ((signed short int) var_1_5)) : (var_1_6 == ((signed short int) (var_1_5 + var_1_7))))) && ((((var_1_31 / var_1_10) < 255.625f) && (var_1_7 < (var_1_5 * -100))) ? (var_1_8 == ((unsigned char) (((((128 - var_1_4)) > (var_1_11)) ? ((128 - var_1_4)) : (var_1_11))))) : (var_1_8 == ((unsigned char) var_1_4)))) && (var_1_12 == ((unsigned short int) var_1_11))) && ((((last_1_var_1_6 * var_1_11) / 10) <= var_1_5) ? (var_1_13 == ((signed long int) (var_1_7 + (var_1_11 - ((((last_1_var_1_13) < (last_1_var_1_32)) ? (last_1_var_1_13) : (last_1_var_1_32))))))) : (((- (- last_1_var_1_17)) < var_1_10) ? (var_1_13 == ((signed long int) (var_1_7 + var_1_5))) : (var_1_13 == ((signed long int) var_1_4))))) && ((var_1_25 || var_1_28) ? (var_1_14 == ((unsigned long int) ((last_1_var_1_14 + 1u) + var_1_11))) : 1)) && (((64 - ((((-64) < 0 ) ? -(-64) : (-64)))) <= (var_1_14 + (var_1_8 * var_1_4))) ? (var_1_17 == ((float) 100.5f)) : (var_1_17 == ((float) var_1_18)))) && (((var_1_31 + (var_1_10 + var_1_31)) > (var_1_18 * var_1_17)) ? (var_1_25 ? (var_1_19 == ((signed short int) var_1_7)) : (var_1_19 == ((signed short int) last_1_var_1_19))) : 1)) && ((((256u & var_1_13) == (var_1_22 - var_1_12)) || var_1_25) ? ((var_1_13 != var_1_12) ? (var_1_21 == ((unsigned char) var_1_23)) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_24))) [L185-L186] return ((((((((((((((-2 == last_1_var_1_32) ? (((last_1_var_1_32 * last_1_var_1_6) <= -500) ? (var_1_1 == ((signed char) ((((2 - var_1_4) < 0 ) ? -(2 - var_1_4) : (2 - var_1_4))))) : (var_1_1 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) : (var_1_1 == ((signed char) (var_1_5 + 5)))) && ((var_1_5 > (last_1_var_1_13 % var_1_7)) ? (var_1_6 == ((signed short int) var_1_5)) : (var_1_6 == ((signed short int) (var_1_5 + var_1_7))))) && ((((var_1_31 / var_1_10) < 255.625f) && (var_1_7 < (var_1_5 * -100))) ? (var_1_8 == ((unsigned char) (((((128 - var_1_4)) > (var_1_11)) ? ((128 - var_1_4)) : (var_1_11))))) : (var_1_8 == ((unsigned char) var_1_4)))) && (var_1_12 == ((unsigned short int) var_1_11))) && ((((last_1_var_1_6 * var_1_11) / 10) <= var_1_5) ? (var_1_13 == ((signed long int) (var_1_7 + (var_1_11 - ((((last_1_var_1_13) < (last_1_var_1_32)) ? (last_1_var_1_13) : (last_1_var_1_32))))))) : (((- (- last_1_var_1_17)) < var_1_10) ? (var_1_13 == ((signed long int) (var_1_7 + var_1_5))) : (var_1_13 == ((signed long int) var_1_4))))) && ((var_1_25 || var_1_28) ? (var_1_14 == ((unsigned long int) ((last_1_var_1_14 + 1u) + var_1_11))) : 1)) && (((64 - ((((-64) < 0 ) ? -(-64) : (-64)))) <= (var_1_14 + (var_1_8 * var_1_4))) ? (var_1_17 == ((float) 100.5f)) : (var_1_17 == ((float) var_1_18)))) && (((var_1_31 + (var_1_10 + var_1_31)) > (var_1_18 * var_1_17)) ? (var_1_25 ? (var_1_19 == ((signed short int) var_1_7)) : (var_1_19 == ((signed short int) last_1_var_1_19))) : 1)) && ((((256u & var_1_13) == (var_1_22 - var_1_12)) || var_1_25) ? ((var_1_13 != var_1_12) ? (var_1_21 == ((unsigned char) var_1_23)) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_24)))) && ((last_1_var_1_21 || ((- var_1_18) > last_1_var_1_31)) ? ((! last_1_var_1_21) ? (var_1_25 == ((unsigned char) ((var_1_23 || var_1_26) || var_1_27))) : (var_1_25 == ((unsigned char) var_1_24))) : (var_1_25 == ((unsigned char) var_1_24)))) && ((var_1_7 <= (~ var_1_1)) ? (var_1_28 == ((unsigned char) (! (! (var_1_24 && var_1_29))))) : (var_1_28 == ((unsigned char) ((var_1_31 == 8.5f) || (var_1_29 && var_1_24)))))) && (var_1_30 == ((signed short int) var_1_1))) && (var_1_31 == ((float) 24.4f))) && (var_1_32 == ((signed long int) var_1_1)) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=126, var_1_13=126, var_1_14=191, var_1_17=201/2, var_1_19=-128, var_1_1=6, var_1_21=0, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=-255, var_1_30=6, var_1_31=122/5, var_1_32=6, var_1_4=126, var_1_5=1, var_1_6=1, var_1_7=-8, var_1_8=126] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_11=-386, var_1_12=126, var_1_13=126, var_1_14=191, var_1_17=201/2, var_1_19=-128, var_1_1=6, var_1_21=0, var_1_22=-2147483649, var_1_23=0, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=-255, var_1_30=6, var_1_31=122/5, var_1_32=6, var_1_4=126, var_1_5=1, var_1_6=1, var_1_7=-8, var_1_8=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 1, TraceHistogramMax: 24, 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=45occurred 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, 1.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 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 06:42:24,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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_23d07d64-bd95-43c8-918c-63af6706f3a3/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 12ec80b88d13cbd20df6410c30aafcaf8554885c00373f899d9eea2626edd39d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:42:27,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:42:27,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:42:27,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:42:27,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:42:27,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:42:27,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:42:27,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:42:27,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:42:27,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:42:27,508 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:42:27,509 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:42:27,509 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:42:27,509 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:42:27,510 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:42:27,510 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:42:27,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:42:27,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:42:27,512 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:42:27,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:42:27,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:42:27,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:42:27,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:42:27,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:42:27,520 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:42:27,520 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:42:27,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:42:27,521 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:42:27,522 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:42:27,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:42:27,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:42:27,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:42:27,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:42:27,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:42:27,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:42:27,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:42:27,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:42:27,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:42:27,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:42:27,527 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:42:27,528 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:42:27,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:42:27,529 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:42:27,530 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_23d07d64-bd95-43c8-918c-63af6706f3a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12ec80b88d13cbd20df6410c30aafcaf8554885c00373f899d9eea2626edd39d [2024-11-09 06:42:27,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:42:28,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:42:28,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:42:28,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:42:28,008 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:42:28,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i Unable to find full path for "g++" [2024-11-09 06:42:30,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:42:30,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:42:30,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i [2024-11-09 06:42:30,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/data/65daa696c/89c780da896f4dee87027a94f87afe21/FLAG7433dd2f2 [2024-11-09 06:42:30,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/data/65daa696c/89c780da896f4dee87027a94f87afe21 [2024-11-09 06:42:30,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:42:30,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:42:30,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:42:30,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:42:30,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:42:30,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:42:30" (1/1) ... [2024-11-09 06:42:30,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebdcc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:30, skipping insertion in model container [2024-11-09 06:42:30,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:42:30" (1/1) ... [2024-11-09 06:42:30,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:42:31,053 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_23d07d64-bd95-43c8-918c-63af6706f3a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i[916,929] [2024-11-09 06:42:31,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:42:31,230 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:42:31,248 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_23d07d64-bd95-43c8-918c-63af6706f3a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-55.i[916,929] [2024-11-09 06:42:31,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:42:31,456 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:42:31,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31 WrapperNode [2024-11-09 06:42:31,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:42:31,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:42:31,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:42:31,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:42:31,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31" (1/1) ... [2024-11-09 06:42:31,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31" (1/1) ... [2024-11-09 06:42:31,553 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2024-11-09 06:42:31,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:42:31,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:42:31,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:42:31,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:42:31,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31" (1/1) ... [2024-11-09 06:42:31,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31" (1/1) ... [2024-11-09 06:42:31,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31" (1/1) ... [2024-11-09 06:42:31,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31" (1/1) ... [2024-11-09 06:42:31,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31" (1/1) ... [2024-11-09 06:42:31,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31" (1/1) ... [2024-11-09 06:42:31,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31" (1/1) ... [2024-11-09 06:42:31,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31" (1/1) ... [2024-11-09 06:42:31,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:42:31,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:42:31,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:42:31,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:42:31,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31" (1/1) ... [2024-11-09 06:42:31,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:42:31,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:42:31,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:42:31,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:42:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:42:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:42:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:42:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:42:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:42:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:42:31,879 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:42:31,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:42:38,593 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 06:42:38,594 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:42:38,622 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:42:38,622 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:42:38,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:42:38 BoogieIcfgContainer [2024-11-09 06:42:38,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:42:38,630 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:42:38,630 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:42:38,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:42:38,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:42:30" (1/3) ... [2024-11-09 06:42:38,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa82d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:42:38, skipping insertion in model container [2024-11-09 06:42:38,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:42:31" (2/3) ... [2024-11-09 06:42:38,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa82d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:42:38, skipping insertion in model container [2024-11-09 06:42:38,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:42:38" (3/3) ... [2024-11-09 06:42:38,647 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-55.i [2024-11-09 06:42:38,671 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:42:38,672 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:42:38,762 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:42:38,769 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;@90fae71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:42:38,770 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:42:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 06:42:38,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 06:42:38,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:42:38,801 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:42:38,801 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:42:38,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:42:38,810 INFO L85 PathProgramCache]: Analyzing trace with hash 511876369, now seen corresponding path program 1 times [2024-11-09 06:42:38,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:42:38,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101606722] [2024-11-09 06:42:38,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:42:38,831 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 06:42:38,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:42:38,835 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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 06:42:38,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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 06:42:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:42:39,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:42:39,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:42:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-09 06:42:39,531 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:42:39,532 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:42:39,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101606722] [2024-11-09 06:42:39,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1101606722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:42:39,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:42:39,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:42:39,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015098687] [2024-11-09 06:42:39,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:42:39,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:42:39,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:42:39,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:42:39,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:42:39,573 INFO L87 Difference]: Start difference. First operand has 76 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 06:42:39,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:42:39,629 INFO L93 Difference]: Finished difference Result 145 states and 252 transitions. [2024-11-09 06:42:39,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:42:39,633 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2024-11-09 06:42:39,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:42:39,644 INFO L225 Difference]: With dead ends: 145 [2024-11-09 06:42:39,645 INFO L226 Difference]: Without dead ends: 72 [2024-11-09 06:42:39,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 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 06:42:39,655 INFO L432 NwaCegarLoop]: 109 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, 109 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 06:42:39,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:42:39,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-09 06:42:39,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-09 06:42:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 06:42:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2024-11-09 06:42:39,714 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 157 [2024-11-09 06:42:39,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:42:39,715 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2024-11-09 06:42:39,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 06:42:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2024-11-09 06:42:39,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 06:42:39,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:42:39,720 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:42:39,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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)] Ended with exit code 0 [2024-11-09 06:42:39,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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 06:42:39,922 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:42:39,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:42:39,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1227844045, now seen corresponding path program 1 times [2024-11-09 06:42:39,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:42:39,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034539915] [2024-11-09 06:42:39,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:42:39,924 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 06:42:39,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:42:39,926 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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 06:42:39,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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 06:42:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:42:40,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:42:40,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:42:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 06:42:42,140 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:42:42,140 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:42:42,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034539915] [2024-11-09 06:42:42,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034539915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:42:42,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:42:42,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:42:42,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427733526] [2024-11-09 06:42:42,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:42:42,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:42:42,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:42:42,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:42:42,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:42:42,146 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-09 06:42:44,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:42:46,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:42:48,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:42:48,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:42:48,324 INFO L93 Difference]: Finished difference Result 211 states and 322 transitions. [2024-11-09 06:42:48,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:42:48,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2024-11-09 06:42:48,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:42:48,380 INFO L225 Difference]: With dead ends: 211 [2024-11-09 06:42:48,380 INFO L226 Difference]: Without dead ends: 142 [2024-11-09 06:42:48,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:42:48,383 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 84 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 50 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:42:48,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 307 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2024-11-09 06:42:48,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-09 06:42:48,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 121. [2024-11-09 06:42:48,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 70 states have internal predecessors, (88), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-09 06:42:48,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 184 transitions. [2024-11-09 06:42:48,450 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 184 transitions. Word has length 157 [2024-11-09 06:42:48,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:42:48,451 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 184 transitions. [2024-11-09 06:42:48,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-09 06:42:48,452 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 184 transitions. [2024-11-09 06:42:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-09 06:42:48,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:42:48,455 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:42:48,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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 06:42:48,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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 06:42:48,656 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:42:48,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:42:48,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1789862804, now seen corresponding path program 1 times [2024-11-09 06:42:48,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:42:48,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007827502] [2024-11-09 06:42:48,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:42:48,659 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 06:42:48,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:42:48,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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 06:42:48,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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 06:42:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:42:49,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:42:49,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:42:50,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 512 proven. 36 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2024-11-09 06:42:50,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:42:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-09 06:42:52,256 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:42:52,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007827502] [2024-11-09 06:42:52,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007827502] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:42:52,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [372258356] [2024-11-09 06:42:52,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:42:52,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:42:52,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:42:52,261 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:42:52,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 06:42:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:42:53,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:42:53,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:42:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-09 06:42:54,214 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:42:55,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-09 06:42:55,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [372258356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:42:55,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041797888] [2024-11-09 06:42:55,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:42:55,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:42:55,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:42:55,074 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:42:55,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:42:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:42:55,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:42:55,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:42:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-09 06:42:55,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:42:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-09 06:42:56,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041797888] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:42:56,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 06:42:56,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 12 [2024-11-09 06:42:56,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734336269] [2024-11-09 06:42:56,744 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 06:42:56,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 06:42:56,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:42:56,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 06:42:56,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-09 06:42:56,748 INFO L87 Difference]: Start difference. First operand 121 states and 184 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (37), 3 states have call predecessors, (37), 6 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-09 06:43:00,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:02,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:03,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:07,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:09,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:11,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:13,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:15,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:43:16,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:43:16,194 INFO L93 Difference]: Finished difference Result 360 states and 521 transitions. [2024-11-09 06:43:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 06:43:16,195 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (37), 3 states have call predecessors, (37), 6 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 158 [2024-11-09 06:43:16,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:43:16,200 INFO L225 Difference]: With dead ends: 360 [2024-11-09 06:43:16,200 INFO L226 Difference]: Without dead ends: 291 [2024-11-09 06:43:16,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 967 GetRequests, 931 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=296, Invalid=760, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 06:43:16,203 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 180 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 105 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:43:16,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 531 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 521 Invalid, 7 Unknown, 0 Unchecked, 18.1s Time] [2024-11-09 06:43:16,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-09 06:43:16,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 150. [2024-11-09 06:43:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 95 states have internal predecessors, (118), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-09 06:43:16,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 214 transitions. [2024-11-09 06:43:16,244 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 214 transitions. Word has length 158 [2024-11-09 06:43:16,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:43:16,247 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 214 transitions. [2024-11-09 06:43:16,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (37), 3 states have call predecessors, (37), 6 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-09 06:43:16,249 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 214 transitions. [2024-11-09 06:43:16,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 06:43:16,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:43:16,255 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:43:16,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 06:43:16,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:43:16,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:43:16,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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 06:43:16,857 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:43:16,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:43:16,858 INFO L85 PathProgramCache]: Analyzing trace with hash -584388152, now seen corresponding path program 1 times [2024-11-09 06:43:16,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:43:16,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215980912] [2024-11-09 06:43:16,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:43:16,859 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 06:43:16,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:43:16,862 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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 06:43:16,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d07d64-bd95-43c8-918c-63af6706f3a3/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 (7)] Waiting until timeout for monitored process [2024-11-09 06:43:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:43:17,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 06:43:17,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:44:40,641 WARN L286 SmtUtils]: Spent 17.71s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:45:59,441 WARN L286 SmtUtils]: Spent 20.39s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:47:49,623 WARN L286 SmtUtils]: Spent 24.93s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:49:42,087 WARN L286 SmtUtils]: Spent 31.70s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:50:18,953 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_11~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0)) (.cse1 ((_ sign_extend 24) c_~var_1_5~0)) (.cse5 ((_ zero_extend 24) c_~var_1_24~0))) (and (= ((_ sign_extend 24) c_~var_1_1~0) c_~var_1_32~0) (bvslt .cse0 (bvmul .cse1 (_ bv4294967196 32))) (let ((.cse4 (bvadd (_ bv128 32) (bvneg ((_ sign_extend 24) c_~var_1_4~0))))) (let ((.cse3 (bvsgt .cse4 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (not .cse3)) (and .cse3 (= c_~var_1_8~0 ((_ extract 7 0) .cse4)))))) (bvsge .cse1 (_ bv4294967233 32)) (= (_ bv1 8) c_~last_1_var_1_21~0) (= c_~var_1_31~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 122.0 5.0))) (= (_ bv0 16) (bvadd (_ bv32 16) c_~last_1_var_1_6~0)) (= (_ bv256 32) c_~last_1_var_1_32~0) (= c_~var_1_14~0 (bvadd (_ bv1 32) .cse2 c_~last_1_var_1_14~0)) (= ((_ to_fp 8 24) c_currentRoundingMode (/ 201.0 2.0)) c_~var_1_17~0) (= ((_ zero_extend 8) c_~var_1_11~0) c_~var_1_12~0) (fp.lt (fp.div c_currentRoundingMode c_~var_1_31~0 c_~var_1_10~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 2045.0 8.0))) (bvsle .cse5 (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (= c_~var_1_30~0 ((_ sign_extend 8) c_~var_1_1~0)) (bvsgt .cse1 (bvsrem c_~last_1_var_1_13~0 .cse0)) (= ((_ sign_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd (_ bv5 32) .cse1))) (= c_~var_1_25~0 c_~var_1_24~0) (bvsge .cse5 (_ bv1 32)) (= (_ bv1 8) c_~var_1_28~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-09 06:51:53,867 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_11~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0)) (.cse1 ((_ sign_extend 24) c_~var_1_5~0)) (.cse5 ((_ zero_extend 24) c_~var_1_24~0))) (and (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_31~0 (fp.add c_currentRoundingMode c_~var_1_10~0 c_~var_1_31~0)) (fp.mul c_currentRoundingMode c_~var_1_18~0 c_~var_1_17~0))) (= ((_ sign_extend 24) c_~var_1_1~0) c_~var_1_32~0) (bvslt .cse0 (bvmul .cse1 (_ bv4294967196 32))) (let ((.cse4 (bvadd (_ bv128 32) (bvneg ((_ sign_extend 24) c_~var_1_4~0))))) (let ((.cse3 (bvsgt .cse4 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (not .cse3)) (and .cse3 (= c_~var_1_8~0 ((_ extract 7 0) .cse4)))))) (bvsge .cse1 (_ bv4294967233 32)) (= (_ bv1 8) c_~last_1_var_1_21~0) (= c_~var_1_31~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 122.0 5.0))) (= (_ bv0 16) (bvadd (_ bv32 16) c_~last_1_var_1_6~0)) (= (_ bv256 32) c_~last_1_var_1_32~0) (= c_~var_1_14~0 (bvadd (_ bv1 32) .cse2 c_~last_1_var_1_14~0)) (= ((_ to_fp 8 24) c_currentRoundingMode (/ 201.0 2.0)) c_~var_1_17~0) (= ((_ zero_extend 8) c_~var_1_11~0) c_~var_1_12~0) (fp.lt (fp.div c_currentRoundingMode c_~var_1_31~0 c_~var_1_10~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 2045.0 8.0))) (bvsle .cse5 (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (= c_~var_1_30~0 ((_ sign_extend 8) c_~var_1_1~0)) (bvsgt .cse1 (bvsrem c_~last_1_var_1_13~0 .cse0)) (= ((_ sign_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd (_ bv5 32) .cse1))) (= c_~var_1_25~0 c_~var_1_24~0) (bvsge .cse5 (_ bv1 32)) (= (_ bv1 8) c_~var_1_28~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-09 06:51:55,902 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_11~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0)) (.cse1 ((_ sign_extend 24) c_~var_1_5~0)) (.cse5 ((_ zero_extend 24) c_~var_1_24~0))) (and (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_31~0 (fp.add c_currentRoundingMode c_~var_1_10~0 c_~var_1_31~0)) (fp.mul c_currentRoundingMode c_~var_1_18~0 c_~var_1_17~0))) (= ((_ sign_extend 24) c_~var_1_1~0) c_~var_1_32~0) (bvslt .cse0 (bvmul .cse1 (_ bv4294967196 32))) (let ((.cse4 (bvadd (_ bv128 32) (bvneg ((_ sign_extend 24) c_~var_1_4~0))))) (let ((.cse3 (bvsgt .cse4 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (not .cse3)) (and .cse3 (= c_~var_1_8~0 ((_ extract 7 0) .cse4)))))) (bvsge .cse1 (_ bv4294967233 32)) (= (_ bv1 8) c_~last_1_var_1_21~0) (= c_~var_1_31~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 122.0 5.0))) (= (_ bv0 16) (bvadd (_ bv32 16) c_~last_1_var_1_6~0)) (= (_ bv256 32) c_~last_1_var_1_32~0) (= c_~var_1_14~0 (bvadd (_ bv1 32) .cse2 c_~last_1_var_1_14~0)) (= ((_ to_fp 8 24) c_currentRoundingMode (/ 201.0 2.0)) c_~var_1_17~0) (= ((_ zero_extend 8) c_~var_1_11~0) c_~var_1_12~0) (fp.lt (fp.div c_currentRoundingMode c_~var_1_31~0 c_~var_1_10~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 2045.0 8.0))) (bvsle .cse5 (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (= c_~var_1_30~0 ((_ sign_extend 8) c_~var_1_1~0)) (bvsgt .cse1 (bvsrem c_~last_1_var_1_13~0 .cse0)) (= ((_ sign_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd (_ bv5 32) .cse1))) (= c_~var_1_25~0 c_~var_1_24~0) (bvsge .cse5 (_ bv1 32)) (= (_ bv1 8) c_~var_1_28~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2024-11-09 06:53:27,207 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_11~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0)) (.cse1 ((_ sign_extend 24) c_~var_1_5~0)) (.cse5 ((_ zero_extend 24) c_~var_1_24~0))) (and (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_31~0 (fp.add c_currentRoundingMode c_~var_1_10~0 c_~var_1_31~0)) (fp.mul c_currentRoundingMode c_~var_1_18~0 c_~var_1_17~0))) (= ((_ sign_extend 24) c_~var_1_1~0) c_~var_1_32~0) (bvslt .cse0 (bvmul .cse1 (_ bv4294967196 32))) (let ((.cse4 (bvadd (_ bv128 32) (bvneg ((_ sign_extend 24) c_~var_1_4~0))))) (let ((.cse3 (bvsgt .cse4 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (not .cse3)) (and .cse3 (= c_~var_1_8~0 ((_ extract 7 0) .cse4)))))) (bvsge .cse1 (_ bv4294967233 32)) (= (_ bv1 8) c_~last_1_var_1_21~0) (= c_~var_1_31~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 122.0 5.0))) (= (_ bv0 16) (bvadd (_ bv32 16) c_~last_1_var_1_6~0)) (= (_ bv256 32) c_~last_1_var_1_32~0) (= c_~var_1_14~0 (bvadd (_ bv1 32) .cse2 c_~last_1_var_1_14~0)) (= ((_ to_fp 8 24) c_currentRoundingMode (/ 201.0 2.0)) c_~var_1_17~0) (= ((_ zero_extend 8) c_~var_1_11~0) c_~var_1_12~0) (fp.lt (fp.div c_currentRoundingMode c_~var_1_31~0 c_~var_1_10~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 2045.0 8.0))) (bvsle .cse5 (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (= c_~var_1_30~0 ((_ sign_extend 8) c_~var_1_1~0)) (bvsgt .cse1 (bvsrem c_~last_1_var_1_13~0 .cse0)) (= ((_ sign_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd (_ bv5 32) .cse1))) (= c_~var_1_25~0 c_~var_1_24~0) (= c_~var_1_5~0 |c_ULTIMATE.start_step_~stepLocal_1~0#1|) (bvsge .cse5 (_ bv1 32)) (= (_ bv1 8) c_~var_1_28~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-09 06:53:29,245 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_11~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0)) (.cse1 ((_ sign_extend 24) c_~var_1_5~0)) (.cse5 ((_ zero_extend 24) c_~var_1_24~0))) (and (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_31~0 (fp.add c_currentRoundingMode c_~var_1_10~0 c_~var_1_31~0)) (fp.mul c_currentRoundingMode c_~var_1_18~0 c_~var_1_17~0))) (= ((_ sign_extend 24) c_~var_1_1~0) c_~var_1_32~0) (bvslt .cse0 (bvmul .cse1 (_ bv4294967196 32))) (let ((.cse4 (bvadd (_ bv128 32) (bvneg ((_ sign_extend 24) c_~var_1_4~0))))) (let ((.cse3 (bvsgt .cse4 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (not .cse3)) (and .cse3 (= c_~var_1_8~0 ((_ extract 7 0) .cse4)))))) (bvsge .cse1 (_ bv4294967233 32)) (= (_ bv1 8) c_~last_1_var_1_21~0) (= c_~var_1_31~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 122.0 5.0))) (= (_ bv0 16) (bvadd (_ bv32 16) c_~last_1_var_1_6~0)) (= (_ bv256 32) c_~last_1_var_1_32~0) (= c_~var_1_14~0 (bvadd (_ bv1 32) .cse2 c_~last_1_var_1_14~0)) (= ((_ to_fp 8 24) c_currentRoundingMode (/ 201.0 2.0)) c_~var_1_17~0) (= ((_ zero_extend 8) c_~var_1_11~0) c_~var_1_12~0) (fp.lt (fp.div c_currentRoundingMode c_~var_1_31~0 c_~var_1_10~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 2045.0 8.0))) (bvsle .cse5 (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (= c_~var_1_30~0 ((_ sign_extend 8) c_~var_1_1~0)) (bvsgt .cse1 (bvsrem c_~last_1_var_1_13~0 .cse0)) (= ((_ sign_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd (_ bv5 32) .cse1))) (= c_~var_1_25~0 c_~var_1_24~0) (= c_~var_1_5~0 |c_ULTIMATE.start_step_~stepLocal_1~0#1|) (bvsge .cse5 (_ bv1 32)) (= (_ bv1 8) c_~var_1_28~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2024-11-09 06:55:26,193 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) c_~var_1_5~0)) (.cse5 ((_ zero_extend 24) c_~var_1_24~0)) (.cse2 ((_ sign_extend 24) c_~var_1_7~0)) (.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (and (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_31~0 (fp.add c_currentRoundingMode c_~var_1_10~0 c_~var_1_31~0)) (fp.mul c_currentRoundingMode c_~var_1_18~0 c_~var_1_17~0))) (= ((_ sign_extend 24) c_~var_1_1~0) c_~var_1_32~0) (bvsle (bvsdiv (bvmul .cse0 ((_ sign_extend 16) (_ bv65504 16))) (_ bv10 32)) .cse1) (bvslt .cse2 (bvmul .cse1 (_ bv4294967196 32))) (let ((.cse4 (bvadd (_ bv128 32) (bvneg ((_ sign_extend 24) c_~var_1_4~0))))) (let ((.cse3 (bvsgt .cse4 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse3)) (and .cse3 (= c_~var_1_8~0 ((_ extract 7 0) .cse4)))))) (bvsge .cse1 (_ bv4294967233 32)) (= (_ bv1 8) c_~last_1_var_1_21~0) (= c_~var_1_31~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 122.0 5.0))) (= (_ bv0 16) (bvadd (_ bv32 16) c_~last_1_var_1_6~0)) (= (_ bv256 32) c_~last_1_var_1_32~0) (= c_~var_1_14~0 (bvadd (_ bv1 32) .cse0 c_~last_1_var_1_14~0)) (= ((_ to_fp 8 24) c_currentRoundingMode (/ 201.0 2.0)) c_~var_1_17~0) (= ((_ zero_extend 8) c_~var_1_11~0) c_~var_1_12~0) (fp.lt (fp.div c_currentRoundingMode c_~var_1_31~0 c_~var_1_10~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 2045.0 8.0))) (bvsle .cse5 (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (= c_~var_1_30~0 ((_ sign_extend 8) c_~var_1_1~0)) (bvsgt .cse1 (bvsrem c_~last_1_var_1_13~0 .cse2)) (= ((_ sign_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd (_ bv5 32) .cse1))) (= c_~var_1_25~0 c_~var_1_24~0) (bvsge .cse5 (_ bv1 32)) (= (_ bv1 8) c_~var_1_28~0) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse6 (bvslt c_~last_1_var_1_13~0 (_ bv256 32)))) (or (and (= c_~var_1_13~0 (bvadd (bvneg c_~last_1_var_1_13~0) .cse2 .cse0)) .cse6) (and (not .cse6) (= (bvadd .cse2 .cse0) (bvadd (_ bv256 32) c_~var_1_13~0))))))) is different from false [2024-11-09 06:55:28,231 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) c_~var_1_5~0)) (.cse5 ((_ zero_extend 24) c_~var_1_24~0)) (.cse2 ((_ sign_extend 24) c_~var_1_7~0)) (.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (and (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_31~0 (fp.add c_currentRoundingMode c_~var_1_10~0 c_~var_1_31~0)) (fp.mul c_currentRoundingMode c_~var_1_18~0 c_~var_1_17~0))) (= ((_ sign_extend 24) c_~var_1_1~0) c_~var_1_32~0) (bvsle (bvsdiv (bvmul .cse0 ((_ sign_extend 16) (_ bv65504 16))) (_ bv10 32)) .cse1) (bvslt .cse2 (bvmul .cse1 (_ bv4294967196 32))) (let ((.cse4 (bvadd (_ bv128 32) (bvneg ((_ sign_extend 24) c_~var_1_4~0))))) (let ((.cse3 (bvsgt .cse4 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse3)) (and .cse3 (= c_~var_1_8~0 ((_ extract 7 0) .cse4)))))) (bvsge .cse1 (_ bv4294967233 32)) (= (_ bv1 8) c_~last_1_var_1_21~0) (= c_~var_1_31~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 122.0 5.0))) (= (_ bv0 16) (bvadd (_ bv32 16) c_~last_1_var_1_6~0)) (= (_ bv256 32) c_~last_1_var_1_32~0) (= c_~var_1_14~0 (bvadd (_ bv1 32) .cse0 c_~last_1_var_1_14~0)) (= ((_ to_fp 8 24) c_currentRoundingMode (/ 201.0 2.0)) c_~var_1_17~0) (= ((_ zero_extend 8) c_~var_1_11~0) c_~var_1_12~0) (fp.lt (fp.div c_currentRoundingMode c_~var_1_31~0 c_~var_1_10~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 2045.0 8.0))) (bvsle .cse5 (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_29~0) (_ bv1 32)) (= c_~var_1_30~0 ((_ sign_extend 8) c_~var_1_1~0)) (bvsgt .cse1 (bvsrem c_~last_1_var_1_13~0 .cse2)) (= ((_ sign_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd (_ bv5 32) .cse1))) (= c_~var_1_25~0 c_~var_1_24~0) (bvsge .cse5 (_ bv1 32)) (= (_ bv1 8) c_~var_1_28~0) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse6 (bvslt c_~last_1_var_1_13~0 (_ bv256 32)))) (or (and (= c_~var_1_13~0 (bvadd (bvneg c_~last_1_var_1_13~0) .cse2 .cse0)) .cse6) (and (not .cse6) (= (bvadd .cse2 .cse0) (bvadd (_ bv256 32) c_~var_1_13~0))))))) is different from true