./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-27.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_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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 50be18fcf69a7c1dbc1c561b7fb19ea5d9f8670f998b213ac5992856b4ad08c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:53:14,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:14,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:53:14,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:14,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:14,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:14,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:14,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:14,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:14,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:14,832 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:14,832 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:14,833 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:14,834 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:53:14,834 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:14,835 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:14,835 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:53:14,836 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:53:14,837 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:14,837 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:53:14,838 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:53:14,839 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:53:14,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:14,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:14,841 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:53:14,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:53:14,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:53:14,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:14,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:14,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:14,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:14,844 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:53:14,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:14,845 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:14,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:14,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:14,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:14,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:14,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:14,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:14,849 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:53:14,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:53:14,850 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:14,850 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:14,850 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:14,851 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_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50be18fcf69a7c1dbc1c561b7fb19ea5d9f8670f998b213ac5992856b4ad08c0 [2023-11-12 00:53:15,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:15,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:15,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:15,165 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:15,166 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:15,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-27.i [2023-11-12 00:53:18,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:18,583 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:18,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-27.i [2023-11-12 00:53:18,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/data/bafaeb729/2d23a7ac67ab4d00a81c5ad851bf1650/FLAGf806b36c6 [2023-11-12 00:53:18,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/data/bafaeb729/2d23a7ac67ab4d00a81c5ad851bf1650 [2023-11-12 00:53:18,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:18,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:18,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:18,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:18,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:18,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:18" (1/1) ... [2023-11-12 00:53:18,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525512b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:18, skipping insertion in model container [2023-11-12 00:53:18,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:18" (1/1) ... [2023-11-12 00:53:18,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:19,135 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_0e469f97-1ef6-47f8-b463-fb3dcb81eead/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-27.i[916,929] [2023-11-12 00:53:19,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:19,260 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:19,274 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_0e469f97-1ef6-47f8-b463-fb3dcb81eead/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-27.i[916,929] [2023-11-12 00:53:19,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:19,340 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:19,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19 WrapperNode [2023-11-12 00:53:19,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:19,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:19,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:19,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:19,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19" (1/1) ... [2023-11-12 00:53:19,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19" (1/1) ... [2023-11-12 00:53:19,442 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 220 [2023-11-12 00:53:19,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:19,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:19,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:19,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:19,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19" (1/1) ... [2023-11-12 00:53:19,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19" (1/1) ... [2023-11-12 00:53:19,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19" (1/1) ... [2023-11-12 00:53:19,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19" (1/1) ... [2023-11-12 00:53:19,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19" (1/1) ... [2023-11-12 00:53:19,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19" (1/1) ... [2023-11-12 00:53:19,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19" (1/1) ... [2023-11-12 00:53:19,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19" (1/1) ... [2023-11-12 00:53:19,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:19,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:19,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:19,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:19,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19" (1/1) ... [2023-11-12 00:53:19,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:19,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:19,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:19,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:53:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:53:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:53:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:19,774 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:19,777 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:20,401 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:53:20,854 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:53:20,854 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:53:20,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:20 BoogieIcfgContainer [2023-11-12 00:53:20,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:53:20,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:53:20,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:53:20,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:53:20,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:53:18" (1/3) ... [2023-11-12 00:53:20,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f49539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:20, skipping insertion in model container [2023-11-12 00:53:20,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:19" (2/3) ... [2023-11-12 00:53:20,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f49539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:20, skipping insertion in model container [2023-11-12 00:53:20,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:20" (3/3) ... [2023-11-12 00:53:20,870 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-27.i [2023-11-12 00:53:20,893 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:53:20,893 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:53:20,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:53:20,968 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;@7fb90d7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:53:20,969 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:53:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:53:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-12 00:53:20,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:20,994 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:20,995 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:21,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:21,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1664222938, now seen corresponding path program 1 times [2023-11-12 00:53:21,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:53:21,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885915247] [2023-11-12 00:53:21,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:21,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:53:21,295 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:53:21,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1810075590] [2023-11-12 00:53:21,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:21,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:53:21,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:21,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:53:21,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:53:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:53:23,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:53:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:53:23,736 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:53:23,739 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:53:23,741 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:53:23,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:53:23,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:53:23,967 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:53:23,973 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:53:24,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:53:24 BoogieIcfgContainer [2023-11-12 00:53:24,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:53:24,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:53:24,191 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:53:24,191 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:53:24,192 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:20" (3/4) ... [2023-11-12 00:53:24,194 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:53:24,196 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:53:24,197 INFO L158 Benchmark]: Toolchain (without parser) took 5263.69ms. Allocated memory is still 178.3MB. Free memory was 142.2MB in the beginning and 106.1MB in the end (delta: 36.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-12 00:53:24,198 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:53:24,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.84ms. Allocated memory is still 178.3MB. Free memory was 142.2MB in the beginning and 126.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:53:24,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.06ms. Allocated memory is still 178.3MB. Free memory was 126.1MB in the beginning and 120.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:53:24,208 INFO L158 Benchmark]: Boogie Preprocessor took 98.09ms. Allocated memory is still 178.3MB. Free memory was 120.5MB in the beginning and 117.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:53:24,210 INFO L158 Benchmark]: RCFGBuilder took 1315.50ms. Allocated memory is still 178.3MB. Free memory was 117.7MB in the beginning and 89.3MB in the end (delta: 28.4MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2023-11-12 00:53:24,210 INFO L158 Benchmark]: TraceAbstraction took 3329.36ms. Allocated memory is still 178.3MB. Free memory was 89.3MB in the beginning and 107.2MB in the end (delta: -17.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:53:24,211 INFO L158 Benchmark]: Witness Printer took 5.88ms. Allocated memory is still 178.3MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:53:24,222 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.84ms. Allocated memory is still 178.3MB. Free memory was 142.2MB in the beginning and 126.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.06ms. Allocated memory is still 178.3MB. Free memory was 126.1MB in the beginning and 120.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.09ms. Allocated memory is still 178.3MB. Free memory was 120.5MB in the beginning and 117.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1315.50ms. Allocated memory is still 178.3MB. Free memory was 117.7MB in the beginning and 89.3MB in the end (delta: 28.4MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3329.36ms. Allocated memory is still 178.3MB. Free memory was 89.3MB in the beginning and 107.2MB in the end (delta: -17.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.88ms. Allocated memory is still 178.3MB. Free memory is still 106.1MB. 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 127, overapproximation of bitwiseOr at line 121, overapproximation of someUnaryDOUBLEoperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryArithmeticFLOAToperation at line 114. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_3 = 25; [L24] signed char var_1_4 = 10; [L25] signed char var_1_5 = -10; [L26] signed char var_1_6 = -1; [L27] signed short int var_1_7 = -4; [L28] signed char var_1_8 = 50; [L29] signed short int var_1_9 = 2; [L30] unsigned long int var_1_10 = 128; [L31] unsigned char var_1_11 = 2; [L32] unsigned long int var_1_12 = 2781423228; [L33] unsigned long int var_1_13 = 3552320529; [L34] double var_1_14 = 2.25; [L35] unsigned char var_1_15 = 5; [L36] unsigned char var_1_16 = 64; [L37] double var_1_17 = 9.48; [L38] double var_1_18 = 256.05; [L39] float var_1_19 = 1.1; [L40] float var_1_21 = 16.5; [L41] float var_1_22 = 9.4; [L42] unsigned short int var_1_23 = 100; [L43] unsigned char var_1_24 = 5; [L44] unsigned short int var_1_25 = 4; [L45] unsigned short int var_1_26 = 48215; [L46] unsigned short int var_1_27 = 10; [L47] unsigned short int var_1_28 = 1; [L48] signed char var_1_29 = 0; [L49] unsigned long int var_1_30 = 1524073358; [L50] unsigned char var_1_31 = 1; [L51] double var_1_32 = 64.45; [L186] isInitial = 1 [L187] FCALL initially() [L188] int k_loop; [L189] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=25, var_1_4=10, var_1_5=-10, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L189] COND TRUE k_loop < 1 [L190] FCALL updateLastVariables() [L191] CALL updateVariables() [L136] var_1_3 = __VERIFIER_nondet_char() [L137] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=10, var_1_5=-10, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=10, var_1_5=-10, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L138] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=10, var_1_5=-10, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=10, var_1_5=-10, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L139] var_1_4 = __VERIFIER_nondet_char() [L140] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-10, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-10, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L141] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-10, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-10, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L142] var_1_5 = __VERIFIER_nondet_char() [L143] CALL assume_abort_if_not(var_1_5 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_5 >= -63) VAL [isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L144] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-1, var_1_7=-4, var_1_8=50, var_1_9=2] [L145] var_1_6 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_6 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_6 >= -63) VAL [isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L147] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=2, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L148] var_1_11 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L150] CALL assume_abort_if_not(var_1_11 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 <= 255) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L151] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=2781423228, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L152] var_1_12 = __VERIFIER_nondet_ulong() [L153] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L154] CALL assume_abort_if_not(var_1_12 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_12 <= 4294967294) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3552320529, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L155] var_1_13 = __VERIFIER_nondet_ulong() [L156] CALL assume_abort_if_not(var_1_13 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 >= 3221225470) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L157] CALL assume_abort_if_not(var_1_13 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_13 <= 4294967294) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L158] var_1_15 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L160] CALL assume_abort_if_not(var_1_15 <= 128) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 <= 128) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=64, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L161] var_1_16 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L163] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=237/25, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L164] var_1_17 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=5121/20, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L166] var_1_18 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=33/2, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L168] var_1_21 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=4, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=4, var_1_22=47/5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L170] var_1_22 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=4, var_1_22=5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=4, var_1_22=5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=48215, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L172] var_1_26 = __VERIFIER_nondet_ushort() [L173] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=4, var_1_22=5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=32767, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=4, var_1_22=5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=32767, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L174] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=4, var_1_22=5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=32767, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=4, var_1_22=5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=32767, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1524073358, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L175] var_1_30 = __VERIFIER_nondet_ulong() [L176] CALL assume_abort_if_not(var_1_30 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=4, var_1_22=5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=32767, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1073741823, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_30 >= 1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=4, var_1_22=5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=32767, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1073741823, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L177] CALL assume_abort_if_not(var_1_30 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=4, var_1_22=5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=32767, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1073741823, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_30 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=9/4, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=11/10, var_1_1=32, var_1_21=4, var_1_22=5, var_1_23=100, var_1_24=5, var_1_25=4, var_1_26=32767, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1073741823, var_1_31=1, var_1_32=1289/20, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=-4, var_1_8=50, var_1_9=2] [L191] RET updateVariables() [L192] CALL step() [L55] var_1_7 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) [L56] signed long int stepLocal_0 = 128 - 256; [L57] COND FALSE !((var_1_4 * var_1_3) < stepLocal_0) [L60] var_1_8 = -16 [L62] var_1_9 = var_1_6 [L63] signed char stepLocal_4 = var_1_4; [L64] COND TRUE var_1_12 >= stepLocal_4 [L65] var_1_23 = var_1_16 [L67] var_1_24 = (var_1_16 + var_1_3) [L68] COND FALSE !(var_1_8 != (var_1_11 + var_1_5)) [L71] var_1_31 = 0 [L72] var_1_32 = var_1_17 [L73] COND FALSE !(! (! var_1_31)) [L76] COND FALSE !(\read(var_1_31)) [L79] var_1_1 = var_1_4 [L82] signed long int stepLocal_1 = (var_1_9 * 128) / var_1_11; [L83] COND FALSE !(\read(var_1_31)) [L90] var_1_10 = var_1_13 [L92] signed long int stepLocal_2 = (- var_1_11) / (var_1_15 + var_1_16); [L93] COND TRUE stepLocal_2 <= var_1_3 [L94] var_1_14 = ((((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) > (var_1_18)) ? (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) : (var_1_18))) [L100] unsigned long int stepLocal_5 = var_1_13; [L101] COND FALSE !((~ var_1_10) >= stepLocal_5) [L104] COND TRUE -16 <= var_1_27 [L105] COND FALSE !(var_1_5 == var_1_28) [L111] unsigned long int stepLocal_3 = var_1_10; [L112] COND FALSE !(\read(var_1_31)) [L119] var_1_19 = var_1_22 [L121] EXPR (var_1_6 / var_1_11) | var_1_5 [L121] COND FALSE !((var_1_16 + var_1_3) < ((var_1_6 / var_1_11) | var_1_5)) [L126] COND TRUE ((((var_1_19 + var_1_22) < 0 ) ? -(var_1_19 + var_1_22) : (var_1_19 + var_1_22))) < var_1_18 [L127] COND FALSE !(var_1_22 <= var_1_19) [L192] RET step() [L193] CALL, EXPR property() [L182] EXPR (((((((((((((! (! var_1_31)) ? (var_1_1 == ((signed char) ((((((var_1_3 - var_1_4)) > (var_1_5)) ? ((var_1_3 - var_1_4)) : (var_1_5))) + var_1_6))) : (var_1_31 ? (var_1_1 == ((signed char) var_1_3)) : (var_1_1 == ((signed char) var_1_4)))) && (var_1_7 == ((signed short int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4)))))) && (((var_1_4 * var_1_3) < (128 - 256)) ? (var_1_8 == ((signed char) (var_1_4 - 4))) : (var_1_8 == ((signed char) -16)))) && (var_1_9 == ((signed short int) var_1_6))) && (var_1_31 ? ((((var_1_9 * 128) / var_1_11) != (((((var_1_4 - var_1_3)) > (var_1_1)) ? ((var_1_4 - var_1_3)) : (var_1_1)))) ? (var_1_10 == ((unsigned long int) (((((var_1_12) < ((var_1_13 - var_1_3))) ? (var_1_12) : ((var_1_13 - var_1_3)))) - var_1_4))) : (var_1_10 == ((unsigned long int) var_1_11))) : (var_1_10 == ((unsigned long int) var_1_13)))) && ((((- var_1_11) / (var_1_15 + var_1_16)) <= var_1_3) ? (var_1_14 == ((double) ((((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) > (var_1_18)) ? (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) : (var_1_18))))) : (var_1_31 ? (var_1_14 == ((double) var_1_17)) : 1))) && (var_1_31 ? ((var_1_10 < (var_1_15 + (var_1_13 + var_1_25))) ? (var_1_19 == ((float) (var_1_21 - (var_1_22 + 8.25f)))) : (var_1_19 == ((float) var_1_18))) : (var_1_19 == ((float) var_1_22)))) && ((var_1_12 >= var_1_4) ? (var_1_23 == ((unsigned short int) var_1_16)) : 1)) && (var_1_24 == ((unsigned char) (var_1_16 + var_1_3)))) && ((-16 <= var_1_27) ? ((var_1_5 == var_1_28) ? (var_1_25 == ((unsigned short int) ((((var_1_4) > (var_1_8)) ? (var_1_4) : (var_1_8))))) : 1) : (var_1_25 == ((unsigned short int) (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))) - var_1_4))))) && ((var_1_8 != (var_1_11 + var_1_5)) ? (var_1_27 == ((unsigned short int) var_1_15)) : 1)) && (((~ var_1_10) >= var_1_13) ? (var_1_28 == ((unsigned short int) (var_1_26 - var_1_4))) : 1)) && (((var_1_16 + var_1_3) < ((var_1_6 / var_1_11) | var_1_5)) ? (((3214144168u - (var_1_30 - var_1_10)) != (- var_1_27)) ? (var_1_29 == ((signed char) (((((var_1_3 + var_1_5)) > (((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) ? ((var_1_3 + var_1_5)) : (((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))))) : 1) : ((((((var_1_19 + var_1_22) < 0 ) ? -(var_1_19 + var_1_22) : (var_1_19 + var_1_22))) < var_1_18) ? ((var_1_22 <= var_1_19) ? (var_1_29 == ((signed char) var_1_4)) : 1) : (var_1_29 == ((signed char) var_1_6)))) [L182-L183] return (((((((((((((((! (! var_1_31)) ? (var_1_1 == ((signed char) ((((((var_1_3 - var_1_4)) > (var_1_5)) ? ((var_1_3 - var_1_4)) : (var_1_5))) + var_1_6))) : (var_1_31 ? (var_1_1 == ((signed char) var_1_3)) : (var_1_1 == ((signed char) var_1_4)))) && (var_1_7 == ((signed short int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4)))))) && (((var_1_4 * var_1_3) < (128 - 256)) ? (var_1_8 == ((signed char) (var_1_4 - 4))) : (var_1_8 == ((signed char) -16)))) && (var_1_9 == ((signed short int) var_1_6))) && (var_1_31 ? ((((var_1_9 * 128) / var_1_11) != (((((var_1_4 - var_1_3)) > (var_1_1)) ? ((var_1_4 - var_1_3)) : (var_1_1)))) ? (var_1_10 == ((unsigned long int) (((((var_1_12) < ((var_1_13 - var_1_3))) ? (var_1_12) : ((var_1_13 - var_1_3)))) - var_1_4))) : (var_1_10 == ((unsigned long int) var_1_11))) : (var_1_10 == ((unsigned long int) var_1_13)))) && ((((- var_1_11) / (var_1_15 + var_1_16)) <= var_1_3) ? (var_1_14 == ((double) ((((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) > (var_1_18)) ? (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) : (var_1_18))))) : (var_1_31 ? (var_1_14 == ((double) var_1_17)) : 1))) && (var_1_31 ? ((var_1_10 < (var_1_15 + (var_1_13 + var_1_25))) ? (var_1_19 == ((float) (var_1_21 - (var_1_22 + 8.25f)))) : (var_1_19 == ((float) var_1_18))) : (var_1_19 == ((float) var_1_22)))) && ((var_1_12 >= var_1_4) ? (var_1_23 == ((unsigned short int) var_1_16)) : 1)) && (var_1_24 == ((unsigned char) (var_1_16 + var_1_3)))) && ((-16 <= var_1_27) ? ((var_1_5 == var_1_28) ? (var_1_25 == ((unsigned short int) ((((var_1_4) > (var_1_8)) ? (var_1_4) : (var_1_8))))) : 1) : (var_1_25 == ((unsigned short int) (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))) - var_1_4))))) && ((var_1_8 != (var_1_11 + var_1_5)) ? (var_1_27 == ((unsigned short int) var_1_15)) : 1)) && (((~ var_1_10) >= var_1_13) ? (var_1_28 == ((unsigned short int) (var_1_26 - var_1_4))) : 1)) && (((var_1_16 + var_1_3) < ((var_1_6 / var_1_11) | var_1_5)) ? (((3214144168u - (var_1_30 - var_1_10)) != (- var_1_27)) ? (var_1_29 == ((signed char) (((((var_1_3 + var_1_5)) > (((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) ? ((var_1_3 + var_1_5)) : (((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))))) : 1) : ((((((var_1_19 + var_1_22) < 0 ) ? -(var_1_19 + var_1_22) : (var_1_19 + var_1_22))) < var_1_18) ? ((var_1_22 <= var_1_19) ? (var_1_29 == ((signed char) var_1_4)) : 1) : (var_1_29 == ((signed char) var_1_6))))) && (var_1_31 == ((unsigned char) 0))) && (var_1_32 == ((double) var_1_17)) ; [L193] RET, EXPR property() [L193] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3221225470, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=6, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=5, var_1_1=1, var_1_21=4, var_1_22=5, var_1_23=1, var_1_24=1, var_1_25=4, var_1_26=32767, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1073741823, var_1_31=0, var_1_32=2, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=1, var_1_8=-16, var_1_9=-63] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3221225470, var_1_11=31, var_1_12=4294967294, var_1_13=3221225470, var_1_14=6, var_1_15=5, var_1_16=1, var_1_17=2, var_1_18=3, var_1_19=5, var_1_1=1, var_1_21=4, var_1_22=5, var_1_23=1, var_1_24=1, var_1_25=4, var_1_26=32767, var_1_27=10, var_1_28=1, var_1_29=0, var_1_30=1073741823, var_1_31=0, var_1_32=2, var_1_3=0, var_1_4=1, var_1_5=-47, var_1_6=-63, var_1_7=1, var_1_8=-16, var_1_9=-63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 1, TraceHistogramMax: 27, 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=51occurred 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, 1.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 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 00:53:24,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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 50be18fcf69a7c1dbc1c561b7fb19ea5d9f8670f998b213ac5992856b4ad08c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:53:27,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:27,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:53:27,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:27,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:27,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:27,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:27,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:27,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:27,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:27,847 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:27,848 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:27,849 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:27,851 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:27,852 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:27,852 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:27,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:27,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:27,855 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:53:27,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:53:27,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:27,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:27,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:27,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:27,859 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:53:27,859 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:53:27,860 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:53:27,860 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:53:27,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:27,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:27,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:27,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:53:27,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:27,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:27,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:27,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:27,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:27,866 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:53:27,866 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:53:27,868 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:27,868 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:27,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:27,872 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_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50be18fcf69a7c1dbc1c561b7fb19ea5d9f8670f998b213ac5992856b4ad08c0 [2023-11-12 00:53:28,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:28,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:28,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:28,458 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:28,459 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:28,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-27.i [2023-11-12 00:53:32,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:32,749 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:32,751 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-27.i [2023-11-12 00:53:32,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/data/084d83628/a1968f79b7fb42fabd7a692c7a6db639/FLAG5bcc77800 [2023-11-12 00:53:32,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/data/084d83628/a1968f79b7fb42fabd7a692c7a6db639 [2023-11-12 00:53:32,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:32,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:32,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:32,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:32,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:32,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:32" (1/1) ... [2023-11-12 00:53:32,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc5224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:32, skipping insertion in model container [2023-11-12 00:53:32,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:32" (1/1) ... [2023-11-12 00:53:32,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:33,011 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_0e469f97-1ef6-47f8-b463-fb3dcb81eead/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-27.i[916,929] [2023-11-12 00:53:33,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:33,186 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:33,208 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_0e469f97-1ef6-47f8-b463-fb3dcb81eead/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-27.i[916,929] [2023-11-12 00:53:33,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:33,337 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:33,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33 WrapperNode [2023-11-12 00:53:33,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:33,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:33,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:33,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:33,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33" (1/1) ... [2023-11-12 00:53:33,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33" (1/1) ... [2023-11-12 00:53:33,445 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-12 00:53:33,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:33,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:33,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:33,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:33,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33" (1/1) ... [2023-11-12 00:53:33,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33" (1/1) ... [2023-11-12 00:53:33,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33" (1/1) ... [2023-11-12 00:53:33,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33" (1/1) ... [2023-11-12 00:53:33,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33" (1/1) ... [2023-11-12 00:53:33,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33" (1/1) ... [2023-11-12 00:53:33,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33" (1/1) ... [2023-11-12 00:53:33,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33" (1/1) ... [2023-11-12 00:53:33,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:33,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:33,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:33,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:33,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33" (1/1) ... [2023-11-12 00:53:33,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:33,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:33,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:33,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:53:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:53:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:53:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:33,894 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:33,896 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:37,224 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:53:37,234 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:53:37,234 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:53:37,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:37 BoogieIcfgContainer [2023-11-12 00:53:37,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:53:37,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:53:37,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:53:37,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:53:37,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:53:32" (1/3) ... [2023-11-12 00:53:37,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387131ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:37, skipping insertion in model container [2023-11-12 00:53:37,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:33" (2/3) ... [2023-11-12 00:53:37,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387131ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:37, skipping insertion in model container [2023-11-12 00:53:37,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:37" (3/3) ... [2023-11-12 00:53:37,254 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-27.i [2023-11-12 00:53:37,281 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:53:37,281 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:53:37,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:53:37,369 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;@206103d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:53:37,369 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:53:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:53:37,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-12 00:53:37,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:37,404 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:37,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:37,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:37,412 INFO L85 PathProgramCache]: Analyzing trace with hash -309084869, now seen corresponding path program 1 times [2023-11-12 00:53:37,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:37,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424987118] [2023-11-12 00:53:37,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:37,431 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 00:53:37,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:37,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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 00:53:37,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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 00:53:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:38,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:53:38,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-12 00:53:38,301 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:38,302 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:38,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424987118] [2023-11-12 00:53:38,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424987118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:38,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:53:38,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:53:38,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267757058] [2023-11-12 00:53:38,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:38,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:53:38,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:38,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:53:38,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:53:38,389 INFO L87 Difference]: Start difference. First operand has 87 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 00:53:38,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:38,477 INFO L93 Difference]: Finished difference Result 171 states and 292 transitions. [2023-11-12 00:53:38,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:53:38,480 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2023-11-12 00:53:38,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:38,493 INFO L225 Difference]: With dead ends: 171 [2023-11-12 00:53:38,493 INFO L226 Difference]: Without dead ends: 83 [2023-11-12 00:53:38,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:53:38,505 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:38,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:53:38,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-12 00:53:38,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-12 00:53:38,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 54 states have internal predecessors, (72), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:53:38,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 126 transitions. [2023-11-12 00:53:38,587 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 126 transitions. Word has length 177 [2023-11-12 00:53:38,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:38,587 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 126 transitions. [2023-11-12 00:53:38,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 00:53:38,588 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 126 transitions. [2023-11-12 00:53:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-12 00:53:38,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:38,594 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:38,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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 00:53:38,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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 [2023-11-12 00:53:38,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:38,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:38,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1260023772, now seen corresponding path program 1 times [2023-11-12 00:53:38,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:38,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [210747284] [2023-11-12 00:53:38,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:38,800 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 00:53:38,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:38,802 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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 00:53:38,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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)] Waiting until timeout for monitored process [2023-11-12 00:53:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:39,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:53:39,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 84 proven. 216 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-12 00:53:42,598 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:53:44,587 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:44,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [210747284] [2023-11-12 00:53:44,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [210747284] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:53:44,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1960406364] [2023-11-12 00:53:44,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:44,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:53:44,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:53:44,594 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:53:44,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:53:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:45,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:53:45,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-12 00:53:45,386 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:53:45,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1960406364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:53:45,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:53:45,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2023-11-12 00:53:45,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346542389] [2023-11-12 00:53:45,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:53:45,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:53:45,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:53:45,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:53:45,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-11-12 00:53:45,392 INFO L87 Difference]: Start difference. First operand 83 states and 126 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 00:53:47,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:53:48,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:53:48,441 INFO L93 Difference]: Finished difference Result 239 states and 364 transitions. [2023-11-12 00:53:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:53:48,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2023-11-12 00:53:48,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:53:48,491 INFO L225 Difference]: With dead ends: 239 [2023-11-12 00:53:48,492 INFO L226 Difference]: Without dead ends: 159 [2023-11-12 00:53:48,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-11-12 00:53:48,496 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 109 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:53:48,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 244 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2023-11-12 00:53:48,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-12 00:53:48,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 94. [2023-11-12 00:53:48,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.323076923076923) internal successors, (86), 65 states have internal predecessors, (86), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:53:48,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 140 transitions. [2023-11-12 00:53:48,524 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 140 transitions. Word has length 178 [2023-11-12 00:53:48,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:53:48,527 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 140 transitions. [2023-11-12 00:53:48,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-12 00:53:48,528 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 140 transitions. [2023-11-12 00:53:48,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-12 00:53:48,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:48,533 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:48,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:53:48,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-12 00:53:48,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:53:48,949 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:48,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:48,949 INFO L85 PathProgramCache]: Analyzing trace with hash 54140682, now seen corresponding path program 1 times [2023-11-12 00:53:48,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:53:48,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556936723] [2023-11-12 00:53:48,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:48,952 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 00:53:48,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:53:48,954 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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 00:53:48,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/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)] Waiting until timeout for monitored process [2023-11-12 00:53:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:49,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:53:49,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 84 proven. 216 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-12 00:53:52,389 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:53:54,858 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:53:54,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556936723] [2023-11-12 00:53:54,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556936723] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:53:54,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [916445049] [2023-11-12 00:53:54,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:54,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:53:54,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:53:54,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:53:54,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 00:53:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:53:56,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 00:53:56,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:53:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 84 proven. 216 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-12 00:53:59,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:54:00,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [916445049] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:54:00,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12677966] [2023-11-12 00:54:00,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:00,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:00,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:00,523 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:54:00,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e469f97-1ef6-47f8-b463-fb3dcb81eead/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 00:54:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:00,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 00:54:00,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 116 proven. 276 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-12 00:54:03,854 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:54:06,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12677966] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:54:06,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:54:06,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 15] total 16 [2023-11-12 00:54:06,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183151121] [2023-11-12 00:54:06,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:54:06,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-12 00:54:06,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:54:06,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-12 00:54:06,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2023-11-12 00:54:06,631 INFO L87 Difference]: Start difference. First operand 94 states and 140 transitions. Second operand has 16 states, 16 states have (on average 4.8125) internal successors, (77), 15 states have internal predecessors, (77), 5 states have call successors, (50), 5 states have call predecessors, (50), 6 states have return successors, (51), 4 states have call predecessors, (51), 5 states have call successors, (51)