./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX --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 a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:45:47,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:45:47,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:45:47,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:45:47,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:45:47,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:45:47,852 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:45:47,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:45:47,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:45:47,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:45:47,860 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:45:47,861 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:45:47,861 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:45:47,864 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:45:47,864 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:45:47,865 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:45:47,865 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:45:47,866 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:45:47,866 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:45:47,867 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:45:47,867 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:45:47,868 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:45:47,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:45:47,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:45:47,873 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:45:47,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:45:47,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:45:47,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:45:47,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:45:47,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:45:47,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:45:47,878 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:45:47,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:45:47,879 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:45:47,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:45:47,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:45:47,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:45:47,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:45:47,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:45:47,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:45:47,881 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:45:47,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:45:47,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:45:47,882 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:45:47,883 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:45:47,883 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_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd [2023-11-12 00:45:48,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:45:48,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:45:48,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:45:48,318 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:45:48,318 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:45:48,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i [2023-11-12 00:45:51,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:45:51,890 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:45:51,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i [2023-11-12 00:45:51,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/data/7e5ce3f51/09bf03e9a20c4511a3753e75c7cc600a/FLAGf21ff80ec [2023-11-12 00:45:51,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/data/7e5ce3f51/09bf03e9a20c4511a3753e75c7cc600a [2023-11-12 00:45:51,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:45:51,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:45:51,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:45:51,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:45:51,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:45:51,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:51" (1/1) ... [2023-11-12 00:45:51,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385a354a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:51, skipping insertion in model container [2023-11-12 00:45:51,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:51" (1/1) ... [2023-11-12 00:45:51,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:45:52,195 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i[913,926] [2023-11-12 00:45:52,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:45:52,304 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:45:52,320 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i[913,926] [2023-11-12 00:45:52,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:45:52,392 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:45:52,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52 WrapperNode [2023-11-12 00:45:52,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:45:52,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:45:52,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:45:52,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:45:52,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52" (1/1) ... [2023-11-12 00:45:52,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52" (1/1) ... [2023-11-12 00:45:52,470 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2023-11-12 00:45:52,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:45:52,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:45:52,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:45:52,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:45:52,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52" (1/1) ... [2023-11-12 00:45:52,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52" (1/1) ... [2023-11-12 00:45:52,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52" (1/1) ... [2023-11-12 00:45:52,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52" (1/1) ... [2023-11-12 00:45:52,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52" (1/1) ... [2023-11-12 00:45:52,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52" (1/1) ... [2023-11-12 00:45:52,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52" (1/1) ... [2023-11-12 00:45:52,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52" (1/1) ... [2023-11-12 00:45:52,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:45:52,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:45:52,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:45:52,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:45:52,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52" (1/1) ... [2023-11-12 00:45:52,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:45:52,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:45:52,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:45:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:45:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:45:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:45:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:45:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:45:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:45:52,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:45:52,737 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:45:52,740 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:45:53,095 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:45:53,338 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:45:53,338 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:45:53,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:53 BoogieIcfgContainer [2023-11-12 00:45:53,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:45:53,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:45:53,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:45:53,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:45:53,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:45:51" (1/3) ... [2023-11-12 00:45:53,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfc20ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:45:53, skipping insertion in model container [2023-11-12 00:45:53,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:52" (2/3) ... [2023-11-12 00:45:53,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfc20ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:45:53, skipping insertion in model container [2023-11-12 00:45:53,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:53" (3/3) ... [2023-11-12 00:45:53,387 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-29.i [2023-11-12 00:45:53,410 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:45:53,410 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:45:53,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:45:53,499 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2fe66c4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:45:53,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:45:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-12 00:45:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-12 00:45:53,526 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:45:53,527 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:45:53,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:45:53,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:45:53,536 INFO L85 PathProgramCache]: Analyzing trace with hash 488140731, now seen corresponding path program 1 times [2023-11-12 00:45:53,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:45:53,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343407649] [2023-11-12 00:45:53,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:53,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:45:53,866 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:45:53,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1380707765] [2023-11-12 00:45:53,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:53,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:45:53,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:45:53,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:45:53,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:45:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:45:54,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:45:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:45:54,477 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:45:54,481 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:45:54,483 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:45:54,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:45:54,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:45:54,692 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:45:54,697 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:45:54,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:45:54 BoogieIcfgContainer [2023-11-12 00:45:54,820 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:45:54,821 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:45:54,821 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:45:54,822 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:45:54,822 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:53" (3/4) ... [2023-11-12 00:45:54,825 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:45:54,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:45:54,828 INFO L158 Benchmark]: Toolchain (without parser) took 2897.16ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 101.0MB in the beginning and 106.0MB in the end (delta: -5.0MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2023-11-12 00:45:54,829 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 132.1MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:45:54,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.19ms. Allocated memory is still 132.1MB. Free memory was 101.0MB in the beginning and 87.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:45:54,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.06ms. Allocated memory is still 132.1MB. Free memory was 87.3MB in the beginning and 85.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:45:54,831 INFO L158 Benchmark]: Boogie Preprocessor took 72.30ms. Allocated memory is still 132.1MB. Free memory was 85.2MB in the beginning and 83.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:45:54,832 INFO L158 Benchmark]: RCFGBuilder took 798.62ms. Allocated memory is still 132.1MB. Free memory was 83.1MB in the beginning and 46.4MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-12 00:45:54,833 INFO L158 Benchmark]: TraceAbstraction took 1446.74ms. Allocated memory is still 182.5MB. Free memory was 152.9MB in the beginning and 106.9MB in the end (delta: 46.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-12 00:45:54,833 INFO L158 Benchmark]: Witness Printer took 5.36ms. Allocated memory is still 182.5MB. Free memory was 106.9MB in the beginning and 106.0MB in the end (delta: 900.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:45:54,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 132.1MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.19ms. Allocated memory is still 132.1MB. Free memory was 101.0MB in the beginning and 87.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.06ms. Allocated memory is still 132.1MB. Free memory was 87.3MB in the beginning and 85.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.30ms. Allocated memory is still 132.1MB. Free memory was 85.2MB in the beginning and 83.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 798.62ms. Allocated memory is still 132.1MB. Free memory was 83.1MB in the beginning and 46.4MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1446.74ms. Allocated memory is still 182.5MB. Free memory was 152.9MB in the beginning and 106.9MB in the end (delta: 46.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 5.36ms. Allocated memory is still 182.5MB. Free memory was 106.9MB in the beginning and 106.0MB in the end (delta: 900.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 0; [L26] signed short int var_1_9 = 0; [L27] signed short int var_1_10 = 8; [L28] signed char var_1_11 = 1; [L29] signed char var_1_12 = 32; [L30] signed char var_1_13 = -2; [L31] signed char var_1_14 = 8; [L32] signed char var_1_15 = 0; [L33] signed char var_1_16 = 10; [L34] signed char var_1_17 = 32; [L35] unsigned char var_1_18 = 0; [L36] signed char var_1_19 = -1; [L37] signed short int var_1_20 = 100; [L38] signed short int var_1_22 = 29265; [L39] float var_1_23 = 31.6; [L40] float var_1_24 = 9.2; [L41] float var_1_25 = 15.6; [L42] float var_1_26 = 25.25; [L43] unsigned long int var_1_27 = 256; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L88] var_1_6 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_7=0, var_1_8=0, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L91] var_1_7 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L94] var_1_9 = __VERIFIER_nondet_short() [L95] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L96] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L97] var_1_10 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L99] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L100] var_1_12 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L102] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L103] var_1_13 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L105] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L106] var_1_14 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L108] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L109] var_1_15 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L111] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L112] var_1_16 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L114] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L115] var_1_17 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L117] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L118] var_1_19 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_19 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_19 >= -128) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L120] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L121] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L122] var_1_22 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_22 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_22 >= 16382) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L124] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L125] var_1_24 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L127] var_1_25 = __VERIFIER_nondet_float() [L128] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L129] var_1_26 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-128, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32704] [L143] RET updateVariables() [L144] CALL step() [L47] var_1_8 = (var_1_9 - (2 + var_1_10)) [L48] COND TRUE var_1_22 != var_1_12 [L49] COND FALSE !(var_1_10 <= var_1_17) [L55] COND FALSE !(! ((var_1_9 - var_1_22) > var_1_12)) [L58] COND TRUE var_1_23 == var_1_23 [L59] COND TRUE var_1_15 >= (var_1_27 / var_1_19) [L60] var_1_18 = var_1_7 [L63] COND TRUE (- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23) [L64] var_1_20 = ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10) [L68] COND TRUE \read(var_1_18) [L69] var_1_1 = (((-128 <= var_1_20) || (var_1_23 >= var_1_23)) && var_1_6) [L73] COND FALSE !(\read(var_1_1)) [L76] COND FALSE !(var_1_27 >= var_1_14) [L79] COND TRUE \read(var_1_7) [L80] var_1_11 = var_1_16 [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return ((((((var_1_18 ? (var_1_1 == ((unsigned char) (((-128 <= var_1_20) || (var_1_23 >= var_1_23)) && var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) && (var_1_8 == ((signed short int) (var_1_9 - (2 + var_1_10))))) && (var_1_1 ? (var_1_11 == ((signed char) (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) : ((var_1_27 >= var_1_14) ? (var_1_11 == ((signed char) ((var_1_15 + var_1_16) - var_1_17))) : (var_1_7 ? (var_1_11 == ((signed char) var_1_16)) : (var_1_11 == ((signed char) var_1_12)))))) && ((var_1_23 == var_1_23) ? ((var_1_15 >= (var_1_27 / var_1_19)) ? (var_1_18 == ((unsigned char) var_1_7)) : 1) : 1)) && (((- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23)) ? (var_1_20 == ((signed short int) ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10))) : (var_1_20 == ((signed short int) var_1_19)))) && ((var_1_22 != var_1_12) ? ((var_1_10 <= var_1_17) ? (var_1_23 == ((float) (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))))) : 1) : (var_1_23 == ((float) var_1_25)))) && ((! ((var_1_9 - var_1_22) > var_1_12)) ? (var_1_27 == ((unsigned long int) var_1_15)) : 1) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=63, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=1, var_1_19=-128, var_1_1=0, var_1_20=32702, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=32701, var_1_9=32704] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=63, var_1_12=-63, var_1_13=63, var_1_14=-63, var_1_15=0, var_1_16=63, var_1_17=0, var_1_18=1, var_1_19=-128, var_1_1=0, var_1_20=32702, var_1_22=32766, var_1_23=158/5, var_1_24=2, var_1_25=3, var_1_26=4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=32701, var_1_9=32704] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 28, 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=52occurred 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:45:54,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX --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 a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:45:57,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:45:57,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:45:57,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:45:57,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:45:57,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:45:57,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:45:57,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:45:57,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:45:57,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:45:57,937 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:45:57,937 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:45:57,938 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:45:57,939 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:45:57,940 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:45:57,940 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:45:57,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:45:57,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:45:57,943 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:45:57,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:45:57,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:45:57,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:45:57,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:45:57,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:45:57,946 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:45:57,946 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:45:57,947 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:45:57,947 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:45:57,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:45:57,948 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:45:57,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:45:57,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:45:57,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:45:57,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:45:57,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:45:57,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:45:57,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:45:57,952 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:45:57,952 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:45:57,953 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:45:57,954 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:45:57,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:45:57,954 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd [2023-11-12 00:45:58,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:45:58,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:45:58,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:45:58,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:45:58,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:45:58,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i [2023-11-12 00:46:01,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:46:02,100 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:46:02,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i [2023-11-12 00:46:02,118 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/data/4224f7f70/aa1c22ac2f1849f29187e27fe790aa4e/FLAG15be59979 [2023-11-12 00:46:02,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/data/4224f7f70/aa1c22ac2f1849f29187e27fe790aa4e [2023-11-12 00:46:02,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:46:02,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:46:02,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:02,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:46:02,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:46:02,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207ed62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02, skipping insertion in model container [2023-11-12 00:46:02,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:46:02,459 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i[913,926] [2023-11-12 00:46:02,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:02,581 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:46:02,604 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i[913,926] [2023-11-12 00:46:02,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:02,703 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:46:02,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02 WrapperNode [2023-11-12 00:46:02,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:02,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:02,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:46:02,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:46:02,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,801 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-12 00:46:02,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:02,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:46:02,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:46:02,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:46:02,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:46:02,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:46:02,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:46:02,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:46:02,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02" (1/1) ... [2023-11-12 00:46:02,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:02,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:02,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:46:02,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:46:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:46:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:46:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:46:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:46:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:46:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:46:03,077 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:46:03,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:46:06,211 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:46:06,220 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:46:06,220 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:46:06,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:06 BoogieIcfgContainer [2023-11-12 00:46:06,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:46:06,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:46:06,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:46:06,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:46:06,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:46:02" (1/3) ... [2023-11-12 00:46:06,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653ed877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:06, skipping insertion in model container [2023-11-12 00:46:06,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:02" (2/3) ... [2023-11-12 00:46:06,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653ed877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:06, skipping insertion in model container [2023-11-12 00:46:06,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:06" (3/3) ... [2023-11-12 00:46:06,238 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-29.i [2023-11-12 00:46:06,261 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:46:06,261 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:46:06,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:46:06,352 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c6deb8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:46:06,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:46:06,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-12 00:46:06,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:46:06,391 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:06,392 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:06,393 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:06,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:06,405 INFO L85 PathProgramCache]: Analyzing trace with hash 731389584, now seen corresponding path program 1 times [2023-11-12 00:46:06,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:06,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467104743] [2023-11-12 00:46:06,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:06,430 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:46:06,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:06,437 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:46:06,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:46:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:07,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:46:07,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-12 00:46:07,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:07,450 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:46:07,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467104743] [2023-11-12 00:46:07,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467104743] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:46:07,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1307846829] [2023-11-12 00:46:07,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:07,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:46:07,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:46:07,506 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:46:07,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-12 00:46:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:08,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:46:08,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-12 00:46:08,756 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:46:08,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1307846829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:08,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:46:08,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-12 00:46:08,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311259097] [2023-11-12 00:46:08,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:08,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:46:08,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:46:08,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:46:08,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:46:08,798 INFO L87 Difference]: Start difference. First operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-12 00:46:10,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:10,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:10,242 INFO L93 Difference]: Finished difference Result 202 states and 380 transitions. [2023-11-12 00:46:10,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:46:10,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2023-11-12 00:46:10,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:10,285 INFO L225 Difference]: With dead ends: 202 [2023-11-12 00:46:10,286 INFO L226 Difference]: Without dead ends: 133 [2023-11-12 00:46:10,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:46:10,295 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 20 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:10,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 201 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-12 00:46:10,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-12 00:46:10,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2023-11-12 00:46:10,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-12 00:46:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 205 transitions. [2023-11-12 00:46:10,381 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 205 transitions. Word has length 170 [2023-11-12 00:46:10,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:10,383 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 205 transitions. [2023-11-12 00:46:10,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-12 00:46:10,384 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 205 transitions. [2023-11-12 00:46:10,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:46:10,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:10,389 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:10,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:10,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-12 00:46:10,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:46:10,817 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:10,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:10,818 INFO L85 PathProgramCache]: Analyzing trace with hash 788647886, now seen corresponding path program 1 times [2023-11-12 00:46:10,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:10,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091264233] [2023-11-12 00:46:10,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:10,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:46:10,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:10,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:46:10,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:46:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:11,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:46:11,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-12 00:46:11,436 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:11,505 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:46:11,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091264233] [2023-11-12 00:46:11,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091264233] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:46:11,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [391639549] [2023-11-12 00:46:11,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:11,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:46:11,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:46:11,509 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:46:11,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:46:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:12,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:46:12,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:12,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-12 00:46:12,566 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:46:12,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [391639549] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:12,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:46:12,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-12 00:46:12,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267783114] [2023-11-12 00:46:12,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:12,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:46:12,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:46:12,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:46:12,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:46:12,572 INFO L87 Difference]: Start difference. First operand 131 states and 205 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-12 00:46:14,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:16,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:16,068 INFO L93 Difference]: Finished difference Result 385 states and 605 transitions. [2023-11-12 00:46:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:46:16,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2023-11-12 00:46:16,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:16,076 INFO L225 Difference]: With dead ends: 385 [2023-11-12 00:46:16,077 INFO L226 Difference]: Without dead ends: 257 [2023-11-12 00:46:16,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:46:16,081 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 95 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:16,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 281 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-12 00:46:16,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2023-11-12 00:46:16,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2023-11-12 00:46:16,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 138 states have (on average 1.2608695652173914) internal successors, (174), 138 states have internal predecessors, (174), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2023-11-12 00:46:16,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 398 transitions. [2023-11-12 00:46:16,205 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 398 transitions. Word has length 170 [2023-11-12 00:46:16,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:16,206 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 398 transitions. [2023-11-12 00:46:16,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-12 00:46:16,207 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 398 transitions. [2023-11-12 00:46:16,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:46:16,209 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:16,210 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:16,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:16,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-12 00:46:16,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:46:16,611 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:16,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:16,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1731312048, now seen corresponding path program 1 times [2023-11-12 00:46:16,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:16,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888325222] [2023-11-12 00:46:16,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:16,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:46:16,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:16,615 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:46:16,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/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 (6)] Waiting until timeout for monitored process [2023-11-12 00:46:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:17,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:46:17,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-12 00:46:17,221 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:17,279 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:46:17,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888325222] [2023-11-12 00:46:17,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [888325222] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:46:17,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [883794654] [2023-11-12 00:46:17,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:17,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:46:17,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:46:17,285 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:46:17,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-12 00:46:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:18,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:46:18,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 183 proven. 3 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-12 00:46:18,811 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:19,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-12 00:46:19,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [883794654] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:46:19,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112681892] [2023-11-12 00:46:19,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:19,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:46:19,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:19,336 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:46:19,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 00:46:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:19,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:46:19,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:19,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-12 00:46:19,712 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:19,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112681892] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:46:19,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2023-11-12 00:46:19,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6, 5] total 11 [2023-11-12 00:46:19,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437031629] [2023-11-12 00:46:19,735 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2023-11-12 00:46:19,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 00:46:19,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:46:19,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 00:46:19,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-12 00:46:19,738 INFO L87 Difference]: Start difference. First operand 255 states and 398 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-12 00:46:26,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:46:32,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:46:38,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:38,276 INFO L93 Difference]: Finished difference Result 701 states and 1052 transitions. [2023-11-12 00:46:38,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-12 00:46:38,278 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 170 [2023-11-12 00:46:38,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:38,285 INFO L225 Difference]: With dead ends: 701 [2023-11-12 00:46:38,285 INFO L226 Difference]: Without dead ends: 449 [2023-11-12 00:46:38,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 731 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=417, Invalid=1143, Unknown=0, NotChecked=0, Total=1560 [2023-11-12 00:46:38,290 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 232 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:38,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 373 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [316 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2023-11-12 00:46:38,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2023-11-12 00:46:38,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 291. [2023-11-12 00:46:38,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 166 states have (on average 1.2048192771084338) internal successors, (200), 166 states have internal predecessors, (200), 112 states have call successors, (112), 12 states have call predecessors, (112), 12 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2023-11-12 00:46:38,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 424 transitions. [2023-11-12 00:46:38,383 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 424 transitions. Word has length 170 [2023-11-12 00:46:38,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:38,384 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 424 transitions. [2023-11-12 00:46:38,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-12 00:46:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 424 transitions. [2023-11-12 00:46:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-12 00:46:38,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:38,389 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:38,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/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 (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:38,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:38,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:39,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:46:39,015 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:39,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:39,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1933300087, now seen corresponding path program 1 times [2023-11-12 00:46:39,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:39,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122519987] [2023-11-12 00:46:39,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:39,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:46:39,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:39,018 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:46:39,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9e9382-5644-4793-a742-cb7f7ff8f947/bin/utaipan-verify-NcY6lQBIFX/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 (9)] Waiting until timeout for monitored process [2023-11-12 00:46:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:39,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 00:46:39,565 INFO L285 TraceCheckSpWp]: Computing forward predicates...