./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-43.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_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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_c385bd7e-a458-440a-bb43-42d373520771/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 d82b18cd242e9ca49d0125d9760f9ce4d46eda4589890d58c3d3555645b3c016 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:09:47,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:09:47,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:09:47,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:09:47,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:09:47,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:09:47,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:09:47,674 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:09:47,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:09:47,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:09:47,680 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:09:47,681 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:09:47,681 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:09:47,683 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:09:47,684 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:09:47,684 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:09:47,685 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:09:47,685 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:09:47,686 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:09:47,686 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:09:47,687 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:09:47,687 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:09:47,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:09:47,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:09:47,689 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:09:47,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:09:47,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:09:47,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:09:47,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:09:47,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:09:47,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:09:47,693 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:09:47,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:09:47,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:09:47,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:09:47,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:09:47,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:47,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:09:47,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:09:47,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:09:47,695 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:09:47,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:09:47,696 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:09:47,696 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:09:47,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:09:47,697 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_c385bd7e-a458-440a-bb43-42d373520771/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d82b18cd242e9ca49d0125d9760f9ce4d46eda4589890d58c3d3555645b3c016 [2023-11-12 00:09:47,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:48,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:48,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:48,036 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:48,037 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:48,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-43.i [2023-11-12 00:09:51,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:09:51,446 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:09:51,447 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-43.i [2023-11-12 00:09:51,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/data/29da8d6bd/b02b7d3ec80f4e4b97190f47339a66bc/FLAGd836960d0 [2023-11-12 00:09:51,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/data/29da8d6bd/b02b7d3ec80f4e4b97190f47339a66bc [2023-11-12 00:09:51,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:09:51,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:09:51,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:51,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:09:51,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:09:51,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:51,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b66b655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51, skipping insertion in model container [2023-11-12 00:09:51,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:51,565 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:09:51,712 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_c385bd7e-a458-440a-bb43-42d373520771/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-43.i[916,929] [2023-11-12 00:09:51,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:51,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:09:51,832 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_c385bd7e-a458-440a-bb43-42d373520771/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-43.i[916,929] [2023-11-12 00:09:51,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:51,930 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:09:51,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51 WrapperNode [2023-11-12 00:09:51,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:51,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:51,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:09:51,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:09:51,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:51,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:52,039 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 279 [2023-11-12 00:09:52,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:52,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:09:52,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:09:52,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:09:52,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:52,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:52,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:52,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:52,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:52,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:52,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:52,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:52,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:09:52,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:09:52,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:09:52,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:09:52,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51" (1/1) ... [2023-11-12 00:09:52,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:52,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:52,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:09:52,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:09:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:09:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:09:52,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:09:52,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:09:52,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:09:52,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:09:52,358 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:09:52,362 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:09:53,074 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:09:53,913 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:09:53,913 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:09:53,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:53 BoogieIcfgContainer [2023-11-12 00:09:53,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:09:53,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:09:53,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:09:53,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:09:53,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:09:51" (1/3) ... [2023-11-12 00:09:53,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13762c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:53, skipping insertion in model container [2023-11-12 00:09:53,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:51" (2/3) ... [2023-11-12 00:09:53,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13762c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:53, skipping insertion in model container [2023-11-12 00:09:53,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:53" (3/3) ... [2023-11-12 00:09:53,936 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-43.i [2023-11-12 00:09:53,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:09:53,960 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:09:54,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:09:54,018 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;@ef4bd85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:09:54,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:09:54,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:09:54,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-12 00:09:54,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:54,039 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:09:54,040 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:54,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:54,045 INFO L85 PathProgramCache]: Analyzing trace with hash -911578, now seen corresponding path program 1 times [2023-11-12 00:09:54,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:54,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276067916] [2023-11-12 00:09:54,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:54,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:09:55,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:09:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:09:55,756 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:09:55,758 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:09:55,760 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:09:55,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:09:55,768 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:09:55,773 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:09:55,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:09:55 BoogieIcfgContainer [2023-11-12 00:09:55,939 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:09:55,941 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:09:55,941 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:09:55,942 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:09:55,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:53" (3/4) ... [2023-11-12 00:09:55,947 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:09:55,949 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:09:55,950 INFO L158 Benchmark]: Toolchain (without parser) took 4456.03ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 114.9MB in the beginning and 75.7MB in the end (delta: 39.2MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2023-11-12 00:09:55,951 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory was 59.5MB in the beginning and 59.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:09:55,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.98ms. Allocated memory is still 153.1MB. Free memory was 114.4MB in the beginning and 97.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:09:55,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.50ms. Allocated memory is still 153.1MB. Free memory was 97.7MB in the beginning and 92.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:09:55,959 INFO L158 Benchmark]: Boogie Preprocessor took 78.01ms. Allocated memory is still 153.1MB. Free memory was 92.3MB in the beginning and 89.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:09:55,960 INFO L158 Benchmark]: RCFGBuilder took 1797.66ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 89.7MB in the beginning and 140.7MB in the end (delta: -50.9MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2023-11-12 00:09:55,961 INFO L158 Benchmark]: TraceAbstraction took 2017.27ms. Allocated memory is still 190.8MB. Free memory was 139.6MB in the beginning and 75.7MB in the end (delta: 63.9MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2023-11-12 00:09:55,961 INFO L158 Benchmark]: Witness Printer took 7.59ms. Allocated memory is still 190.8MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:09:55,970 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory was 59.5MB in the beginning and 59.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.98ms. Allocated memory is still 153.1MB. Free memory was 114.4MB in the beginning and 97.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.50ms. Allocated memory is still 153.1MB. Free memory was 97.7MB in the beginning and 92.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.01ms. Allocated memory is still 153.1MB. Free memory was 92.3MB in the beginning and 89.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1797.66ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 89.7MB in the beginning and 140.7MB in the end (delta: -50.9MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2017.27ms. Allocated memory is still 190.8MB. Free memory was 139.6MB in the beginning and 75.7MB in the end (delta: 63.9MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Witness Printer took 7.59ms. Allocated memory is still 190.8MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 155, overapproximation of bitwiseOr at line 64, overapproximation of bitwiseAnd at line 69, overapproximation of someBinaryArithmeticDOUBLEoperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 10; [L24] unsigned char var_1_5 = 4; [L25] unsigned char var_1_6 = 1; [L26] float var_1_7 = 127.25; [L27] float var_1_8 = 128.5; [L28] unsigned char var_1_11 = 0; [L29] unsigned char var_1_12 = 0; [L30] signed long int var_1_13 = -10; [L31] unsigned char var_1_14 = 1; [L32] signed char var_1_16 = -1; [L33] signed char var_1_17 = -5; [L34] signed char var_1_18 = 2; [L35] double var_1_19 = 256.7; [L36] double var_1_20 = 256.5; [L37] double var_1_21 = 5.058; [L38] double var_1_22 = 2.4; [L39] double var_1_23 = 5.875; [L40] signed long int var_1_24 = -128; [L41] unsigned long int var_1_25 = 128; [L42] unsigned char var_1_26 = 128; [L43] unsigned long int var_1_27 = 4189380979; [L44] unsigned char var_1_28 = 0; [L45] unsigned char var_1_29 = 0; [L46] unsigned long int var_1_30 = 2; [L47] unsigned long int var_1_31 = 1701266831; [L48] unsigned long int var_1_32 = 1169870883; [L49] double var_1_33 = 4.3; [L50] double var_1_34 = 7.25; [L51] unsigned short int var_1_35 = 32; [L52] unsigned char last_1_var_1_1 = 1; [L53] unsigned char last_1_var_1_6 = 1; [L54] signed char last_1_var_1_16 = -1; [L55] double last_1_var_1_19 = 256.7; [L56] signed long int last_1_var_1_24 = -128; [L57] unsigned long int last_1_var_1_25 = 128; [L58] unsigned long int last_1_var_1_30 = 2; [L59] double last_1_var_1_33 = 4.3; [L204] isInitial = 1 [L205] FCALL initially() [L206] COND TRUE 1 [L207] CALL updateLastVariables() [L190] last_1_var_1_1 = var_1_1 [L191] last_1_var_1_6 = var_1_6 [L192] last_1_var_1_16 = var_1_16 [L193] last_1_var_1_19 = var_1_19 [L194] last_1_var_1_24 = var_1_24 [L195] last_1_var_1_25 = var_1_25 [L196] last_1_var_1_30 = var_1_30 [L197] last_1_var_1_33 = var_1_33 [L207] RET updateLastVariables() [L208] CALL updateVariables() [L146] var_1_4 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_5=4, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_5=4, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L148] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=4, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=4, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L149] var_1_5 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L151] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L152] var_1_7 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427387900e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=257/2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427387900e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=257/2] [L154] var_1_8 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L156] var_1_11 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L158] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L159] var_1_12 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L161] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L162] var_1_17 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L164] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L165] var_1_18 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L167] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L168] var_1_20 = __VERIFIER_nondet_double() [L169] CALL assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L170] var_1_21 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L172] var_1_22 = __VERIFIER_nondet_double() [L173] CALL assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L174] var_1_23 = __VERIFIER_nondet_double() [L175] CALL assume_abort_if_not((var_1_23 >= -230584.3009213691390e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 2305843.009213691390e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not((var_1_23 >= -230584.3009213691390e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 2305843.009213691390e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L176] var_1_27 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_27 >= 3221225471) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_27 >= 3221225471) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L178] CALL assume_abort_if_not(var_1_27 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_27 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L179] var_1_29 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L181] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L182] var_1_31 = __VERIFIER_nondet_ulong() [L183] CALL assume_abort_if_not(var_1_31 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1073741947, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_31 >= 1073741823) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1073741947, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L184] CALL assume_abort_if_not(var_1_31 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1073741947, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_31 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1073741947, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L185] var_1_32 = __VERIFIER_nondet_ulong() [L186] CALL assume_abort_if_not(var_1_32 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1073741947, var_1_32=1073741824, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_32 >= 1073741824) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1073741947, var_1_32=1073741824, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L187] CALL assume_abort_if_not(var_1_32 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1073741947, var_1_32=1073741824, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_32 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1073741947, var_1_32=1073741824, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=123, var_1_5=130, var_1_6=1, var_1_7=2567/10, var_1_8=6442450953] [L208] RET updateVariables() [L209] CALL step() [L63] COND TRUE last_1_var_1_6 || last_1_var_1_6 [L64] EXPR last_1_var_1_16 | ((((var_1_5) > (128)) ? (var_1_5) : (128))) [L64] COND FALSE !((last_1_var_1_16 | ((((var_1_5) > (128)) ? (var_1_5) : (128)))) < last_1_var_1_25) [L68] unsigned long int stepLocal_6 = (var_1_27 - last_1_var_1_1) - var_1_4; [L69] EXPR last_1_var_1_30 & last_1_var_1_25 [L69] COND TRUE stepLocal_6 > (last_1_var_1_30 & last_1_var_1_25) [L70] var_1_26 = (var_1_4 + 4) [L74] COND TRUE last_1_var_1_33 > last_1_var_1_33 [L75] var_1_28 = (! ((var_1_4 != last_1_var_1_24) || var_1_29)) [L77] var_1_30 = ((((((var_1_31 + var_1_32)) < ((3305479224u - var_1_5))) ? ((var_1_31 + var_1_32)) : ((3305479224u - var_1_5)))) - ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) [L78] var_1_33 = var_1_20 [L79] var_1_34 = var_1_22 [L80] var_1_35 = var_1_30 [L81] COND TRUE ((var_1_7 + 100000.5f) - var_1_8) > (var_1_33 + var_1_34) [L82] COND FALSE !(var_1_8 > var_1_33) [L85] var_1_6 = var_1_11 [L90] unsigned char stepLocal_2 = var_1_14; [L91] COND FALSE !(stepLocal_2 && var_1_6) [L94] COND FALSE !(\read(var_1_28)) [L98] COND FALSE !(var_1_18 <= (~ var_1_4)) [L105] var_1_24 = var_1_18 [L107] unsigned char stepLocal_0 = var_1_14; [L108] COND FALSE !(var_1_28 && stepLocal_0) [L111] var_1_1 = ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) [L113] unsigned char stepLocal_1 = var_1_5; [L114] COND FALSE !(var_1_7 > var_1_33) [L121] var_1_13 = var_1_4 [L123] signed char stepLocal_3 = var_1_18; [L124] COND TRUE (var_1_16 ^ 1) >= stepLocal_3 [L125] COND FALSE !(\read(var_1_28)) [L133] signed long int stepLocal_5 = var_1_13; [L134] EXPR var_1_24 | var_1_35 [L134] signed long int stepLocal_4 = var_1_24 | var_1_35; [L135] COND TRUE (10000 / 64) >= stepLocal_4 [L136] var_1_25 = ((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4))) [L209] RET step() [L210] CALL, EXPR property() [L200] EXPR ((((var_1_28 && var_1_14) ? (var_1_1 == ((unsigned char) (var_1_4 + 5))) : (var_1_1 == ((unsigned char) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) && ((((var_1_7 + 100000.5f) - var_1_8) > (var_1_33 + var_1_34)) ? ((var_1_8 > var_1_33) ? (var_1_6 == ((unsigned char) (var_1_11 || var_1_12))) : (var_1_6 == ((unsigned char) var_1_11))) : (var_1_6 == ((unsigned char) 0)))) && ((var_1_7 > var_1_33) ? ((var_1_5 < var_1_26) ? (var_1_13 == ((signed long int) (var_1_4 - 1))) : (var_1_13 == ((signed long int) var_1_5))) : (var_1_13 == ((signed long int) var_1_4)))) && ((last_1_var_1_6 || last_1_var_1_6) ? (((last_1_var_1_16 | ((((var_1_5) > (128)) ? (var_1_5) : (128)))) < last_1_var_1_25) ? (var_1_14 == ((unsigned char) (var_1_11 || var_1_12))) : 1) : 1) [L200] EXPR ((((((((var_1_28 && var_1_14) ? (var_1_1 == ((unsigned char) (var_1_4 + 5))) : (var_1_1 == ((unsigned char) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) && ((((var_1_7 + 100000.5f) - var_1_8) > (var_1_33 + var_1_34)) ? ((var_1_8 > var_1_33) ? (var_1_6 == ((unsigned char) (var_1_11 || var_1_12))) : (var_1_6 == ((unsigned char) var_1_11))) : (var_1_6 == ((unsigned char) 0)))) && ((var_1_7 > var_1_33) ? ((var_1_5 < var_1_26) ? (var_1_13 == ((signed long int) (var_1_4 - 1))) : (var_1_13 == ((signed long int) var_1_5))) : (var_1_13 == ((signed long int) var_1_4)))) && ((last_1_var_1_6 || last_1_var_1_6) ? (((last_1_var_1_16 | ((((var_1_5) > (128)) ? (var_1_5) : (128)))) < last_1_var_1_25) ? (var_1_14 == ((unsigned char) (var_1_11 || var_1_12))) : 1) : 1)) && ((var_1_14 && var_1_6) ? (var_1_16 == ((signed char) (((((var_1_17 + var_1_18)) < (-5)) ? ((var_1_17 + var_1_18)) : (-5))))) : (var_1_28 ? (var_1_16 == ((signed char) var_1_17)) : 1))) && (((var_1_16 ^ 1) >= var_1_18) ? (var_1_28 ? ((var_1_8 <= ((((var_1_33) > (last_1_var_1_19)) ? (var_1_33) : (last_1_var_1_19)))) ? (var_1_19 == ((double) ((((var_1_7) > (((var_1_20 + var_1_21) + (var_1_22 + var_1_23)))) ? (var_1_7) : (((var_1_20 + var_1_21) + (var_1_22 + var_1_23))))))) : (var_1_19 == ((double) var_1_21))) : 1) : 1)) && ((var_1_18 <= (~ var_1_4)) ? (var_1_28 ? (var_1_24 == ((signed long int) ((((256) < (((var_1_26 + var_1_18) + ((((last_1_var_1_24) < (var_1_5)) ? (last_1_var_1_24) : (var_1_5)))))) ? (256) : (((var_1_26 + var_1_18) + ((((last_1_var_1_24) < (var_1_5)) ? (last_1_var_1_24) : (var_1_5))))))))) : (var_1_24 == ((signed long int) -5))) : (var_1_24 == ((signed long int) var_1_18)))) && (((10000 / 64) >= (var_1_24 | var_1_35)) ? (var_1_25 == ((unsigned long int) ((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4))))) : ((var_1_13 < ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) ? (var_1_25 == ((unsigned long int) var_1_26)) : (var_1_25 == ((unsigned long int) var_1_26)))) [L200] EXPR (((((((((var_1_28 && var_1_14) ? (var_1_1 == ((unsigned char) (var_1_4 + 5))) : (var_1_1 == ((unsigned char) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) && ((((var_1_7 + 100000.5f) - var_1_8) > (var_1_33 + var_1_34)) ? ((var_1_8 > var_1_33) ? (var_1_6 == ((unsigned char) (var_1_11 || var_1_12))) : (var_1_6 == ((unsigned char) var_1_11))) : (var_1_6 == ((unsigned char) 0)))) && ((var_1_7 > var_1_33) ? ((var_1_5 < var_1_26) ? (var_1_13 == ((signed long int) (var_1_4 - 1))) : (var_1_13 == ((signed long int) var_1_5))) : (var_1_13 == ((signed long int) var_1_4)))) && ((last_1_var_1_6 || last_1_var_1_6) ? (((last_1_var_1_16 | ((((var_1_5) > (128)) ? (var_1_5) : (128)))) < last_1_var_1_25) ? (var_1_14 == ((unsigned char) (var_1_11 || var_1_12))) : 1) : 1)) && ((var_1_14 && var_1_6) ? (var_1_16 == ((signed char) (((((var_1_17 + var_1_18)) < (-5)) ? ((var_1_17 + var_1_18)) : (-5))))) : (var_1_28 ? (var_1_16 == ((signed char) var_1_17)) : 1))) && (((var_1_16 ^ 1) >= var_1_18) ? (var_1_28 ? ((var_1_8 <= ((((var_1_33) > (last_1_var_1_19)) ? (var_1_33) : (last_1_var_1_19)))) ? (var_1_19 == ((double) ((((var_1_7) > (((var_1_20 + var_1_21) + (var_1_22 + var_1_23)))) ? (var_1_7) : (((var_1_20 + var_1_21) + (var_1_22 + var_1_23))))))) : (var_1_19 == ((double) var_1_21))) : 1) : 1)) && ((var_1_18 <= (~ var_1_4)) ? (var_1_28 ? (var_1_24 == ((signed long int) ((((256) < (((var_1_26 + var_1_18) + ((((last_1_var_1_24) < (var_1_5)) ? (last_1_var_1_24) : (var_1_5)))))) ? (256) : (((var_1_26 + var_1_18) + ((((last_1_var_1_24) < (var_1_5)) ? (last_1_var_1_24) : (var_1_5))))))))) : (var_1_24 == ((signed long int) -5))) : (var_1_24 == ((signed long int) var_1_18)))) && (((10000 / 64) >= (var_1_24 | var_1_35)) ? (var_1_25 == ((unsigned long int) ((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4))))) : ((var_1_13 < ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) ? (var_1_25 == ((unsigned long int) var_1_26)) : (var_1_25 == ((unsigned long int) var_1_26))))) && ((((var_1_27 - last_1_var_1_1) - var_1_4) > (last_1_var_1_30 & last_1_var_1_25)) ? (var_1_26 == ((unsigned char) (var_1_4 + 4))) : (var_1_26 == ((unsigned char) (4 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))))) [L200-L201] return ((((((((((((((var_1_28 && var_1_14) ? (var_1_1 == ((unsigned char) (var_1_4 + 5))) : (var_1_1 == ((unsigned char) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) && ((((var_1_7 + 100000.5f) - var_1_8) > (var_1_33 + var_1_34)) ? ((var_1_8 > var_1_33) ? (var_1_6 == ((unsigned char) (var_1_11 || var_1_12))) : (var_1_6 == ((unsigned char) var_1_11))) : (var_1_6 == ((unsigned char) 0)))) && ((var_1_7 > var_1_33) ? ((var_1_5 < var_1_26) ? (var_1_13 == ((signed long int) (var_1_4 - 1))) : (var_1_13 == ((signed long int) var_1_5))) : (var_1_13 == ((signed long int) var_1_4)))) && ((last_1_var_1_6 || last_1_var_1_6) ? (((last_1_var_1_16 | ((((var_1_5) > (128)) ? (var_1_5) : (128)))) < last_1_var_1_25) ? (var_1_14 == ((unsigned char) (var_1_11 || var_1_12))) : 1) : 1)) && ((var_1_14 && var_1_6) ? (var_1_16 == ((signed char) (((((var_1_17 + var_1_18)) < (-5)) ? ((var_1_17 + var_1_18)) : (-5))))) : (var_1_28 ? (var_1_16 == ((signed char) var_1_17)) : 1))) && (((var_1_16 ^ 1) >= var_1_18) ? (var_1_28 ? ((var_1_8 <= ((((var_1_33) > (last_1_var_1_19)) ? (var_1_33) : (last_1_var_1_19)))) ? (var_1_19 == ((double) ((((var_1_7) > (((var_1_20 + var_1_21) + (var_1_22 + var_1_23)))) ? (var_1_7) : (((var_1_20 + var_1_21) + (var_1_22 + var_1_23))))))) : (var_1_19 == ((double) var_1_21))) : 1) : 1)) && ((var_1_18 <= (~ var_1_4)) ? (var_1_28 ? (var_1_24 == ((signed long int) ((((256) < (((var_1_26 + var_1_18) + ((((last_1_var_1_24) < (var_1_5)) ? (last_1_var_1_24) : (var_1_5)))))) ? (256) : (((var_1_26 + var_1_18) + ((((last_1_var_1_24) < (var_1_5)) ? (last_1_var_1_24) : (var_1_5))))))))) : (var_1_24 == ((signed long int) -5))) : (var_1_24 == ((signed long int) var_1_18)))) && (((10000 / 64) >= (var_1_24 | var_1_35)) ? (var_1_25 == ((unsigned long int) ((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4))))) : ((var_1_13 < ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) ? (var_1_25 == ((unsigned long int) var_1_26)) : (var_1_25 == ((unsigned long int) var_1_26))))) && ((((var_1_27 - last_1_var_1_1) - var_1_4) > (last_1_var_1_30 & last_1_var_1_25)) ? (var_1_26 == ((unsigned char) (var_1_4 + 4))) : (var_1_26 == ((unsigned char) (4 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))))) && ((last_1_var_1_33 > last_1_var_1_33) ? (var_1_28 == ((unsigned char) (! ((var_1_4 != last_1_var_1_24) || var_1_29)))) : 1)) && (var_1_30 == ((unsigned long int) ((((((var_1_31 + var_1_32)) < ((3305479224u - var_1_5))) ? ((var_1_31 + var_1_32)) : ((3305479224u - var_1_5)))) - ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))))) && (var_1_33 == ((double) var_1_20))) && (var_1_34 == ((double) var_1_22))) && (var_1_35 == ((unsigned short int) var_1_30)) ; [L210] RET, EXPR property() [L210] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=123, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=130, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-63, var_1_25=130, var_1_26=127, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2147483648, var_1_31=1073741947, var_1_32=1073741824, var_1_33=6442450952, var_1_34=6442450951, var_1_35=0, var_1_4=123, var_1_5=130, var_1_6=0, var_1_7=2567/10, var_1_8=6442450953] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=123, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=130, var_1_20=6442450952, var_1_21=2567/10, var_1_22=6442450951, var_1_23=6442450950, var_1_24=-63, var_1_25=130, var_1_26=127, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2147483648, var_1_31=1073741947, var_1_32=1073741824, var_1_33=6442450952, var_1_34=6442450951, var_1_35=0, var_1_4=123, var_1_5=130, var_1_6=0, var_1_7=2567/10, var_1_8=6442450953] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 26, 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: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 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 00:09:56,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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_c385bd7e-a458-440a-bb43-42d373520771/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 d82b18cd242e9ca49d0125d9760f9ce4d46eda4589890d58c3d3555645b3c016 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:09:58,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:09:58,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:09:58,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:09:58,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:09:58,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:09:58,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:09:58,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:09:58,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:09:58,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:09:58,847 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:09:58,848 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:09:58,849 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:09:58,850 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:09:58,851 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:09:58,851 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:09:58,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:09:58,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:09:58,853 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:09:58,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:09:58,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:09:58,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:09:58,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:09:58,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:09:58,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:09:58,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:09:58,857 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:09:58,858 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:09:58,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:09:58,859 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:09:58,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:09:58,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:09:58,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:09:58,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:58,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:09:58,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:09:58,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:09:58,862 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:09:58,863 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:58,864 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:09:58,864 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:09:58,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:09:58,865 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_c385bd7e-a458-440a-bb43-42d373520771/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d82b18cd242e9ca49d0125d9760f9ce4d46eda4589890d58c3d3555645b3c016 [2023-11-12 00:09:59,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:59,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:59,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:59,299 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:59,299 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:59,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-43.i [2023-11-12 00:10:02,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:02,757 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:02,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-43.i [2023-11-12 00:10:02,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/data/935dfa18d/a745c5d67aca49a0906d1124fe637a5f/FLAG607316279 [2023-11-12 00:10:02,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/data/935dfa18d/a745c5d67aca49a0906d1124fe637a5f [2023-11-12 00:10:02,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:02,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:02,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:02,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:02,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:02,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:02" (1/1) ... [2023-11-12 00:10:02,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c8babdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:02, skipping insertion in model container [2023-11-12 00:10:02,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:02" (1/1) ... [2023-11-12 00:10:02,869 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:03,043 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_c385bd7e-a458-440a-bb43-42d373520771/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-43.i[916,929] [2023-11-12 00:10:03,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:03,201 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:03,220 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_c385bd7e-a458-440a-bb43-42d373520771/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-43.i[916,929] [2023-11-12 00:10:03,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:03,321 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:03,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03 WrapperNode [2023-11-12 00:10:03,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:03,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:03,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:03,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:03,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,393 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-11-12 00:10:03,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:03,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:03,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:03,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:03,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:03,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:03,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:03,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:03,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:03,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:03,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:03,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:10:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:03,744 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:03,746 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:12,571 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:12,578 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:12,578 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:10:12,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:12 BoogieIcfgContainer [2023-11-12 00:10:12,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:12,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:12,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:12,587 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:12,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:02" (1/3) ... [2023-11-12 00:10:12,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27323d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:12, skipping insertion in model container [2023-11-12 00:10:12,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03" (2/3) ... [2023-11-12 00:10:12,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27323d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:12, skipping insertion in model container [2023-11-12 00:10:12,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:12" (3/3) ... [2023-11-12 00:10:12,590 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-43.i [2023-11-12 00:10:12,610 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:12,610 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:12,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:12,670 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;@43065782, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:12,670 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:12,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:10:12,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-12 00:10:12,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:12,694 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:12,695 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:12,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:12,701 INFO L85 PathProgramCache]: Analyzing trace with hash -799615028, now seen corresponding path program 1 times [2023-11-12 00:10:12,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:12,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093838008] [2023-11-12 00:10:12,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:12,719 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 00:10:12,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:12,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:12,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:13,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:10:13,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:13,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2023-11-12 00:10:13,537 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:13,538 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:13,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093838008] [2023-11-12 00:10:13,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2093838008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:13,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:13,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:10:13,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707521799] [2023-11-12 00:10:13,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:13,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:10:13,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:13,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:10:13,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:10:13,581 INFO L87 Difference]: Start difference. First operand has 86 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) 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, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:10:13,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:13,619 INFO L93 Difference]: Finished difference Result 165 states and 284 transitions. [2023-11-12 00:10:13,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:10:13,621 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, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 172 [2023-11-12 00:10:13,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:13,631 INFO L225 Difference]: With dead ends: 165 [2023-11-12 00:10:13,631 INFO L226 Difference]: Without dead ends: 82 [2023-11-12 00:10:13,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 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 00:10:13,643 INFO L413 NwaCegarLoop]: 124 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, 124 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 00:10:13,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:10:13,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-12 00:10:13,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-12 00:10:13,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 54 states have internal predecessors, (72), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:10:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 124 transitions. [2023-11-12 00:10:13,707 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 124 transitions. Word has length 172 [2023-11-12 00:10:13,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:13,708 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 124 transitions. [2023-11-12 00:10:13,708 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, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:10:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2023-11-12 00:10:13,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-12 00:10:13,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:13,714 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:13,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:13,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:13,921 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:13,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:13,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1771694486, now seen corresponding path program 1 times [2023-11-12 00:10:13,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:13,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743230183] [2023-11-12 00:10:13,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:13,923 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 00:10:13,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:13,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:13,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:14,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:10:14,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:10:15,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:15,665 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:15,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743230183] [2023-11-12 00:10:15,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743230183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:15,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:15,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:10:15,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961202631] [2023-11-12 00:10:15,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:15,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:10:15,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:15,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:10:15,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:10:15,670 INFO L87 Difference]: Start difference. First operand 82 states and 124 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:10:17,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:19,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:21,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:23,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:25,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:25,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:25,754 INFO L93 Difference]: Finished difference Result 241 states and 367 transitions. [2023-11-12 00:10:25,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:10:25,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2023-11-12 00:10:25,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:25,803 INFO L225 Difference]: With dead ends: 241 [2023-11-12 00:10:25,803 INFO L226 Difference]: Without dead ends: 162 [2023-11-12 00:10:25,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:10:25,806 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 79 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:25,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 353 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 11 Invalid, 4 Unknown, 0 Unchecked, 10.0s Time] [2023-11-12 00:10:25,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-12 00:10:25,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 131. [2023-11-12 00:10:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 76 states have (on average 1.236842105263158) internal successors, (94), 76 states have internal predecessors, (94), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:10:25,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 198 transitions. [2023-11-12 00:10:25,864 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 198 transitions. Word has length 172 [2023-11-12 00:10:25,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:25,866 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 198 transitions. [2023-11-12 00:10:25,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:10:25,867 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 198 transitions. [2023-11-12 00:10:25,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-12 00:10:25,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:25,875 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:25,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:26,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:26,076 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:26,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:26,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1068804146, now seen corresponding path program 1 times [2023-11-12 00:10:26,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:26,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085486345] [2023-11-12 00:10:26,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:26,079 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 00:10:26,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:26,081 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:26,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:10:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:26,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:10:26,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:10:29,589 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:29,590 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:29,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085486345] [2023-11-12 00:10:29,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2085486345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:29,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:29,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:10:29,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996415362] [2023-11-12 00:10:29,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:29,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:10:29,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:29,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:10:29,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:10:29,607 INFO L87 Difference]: Start difference. First operand 131 states and 198 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:10:32,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:34,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:36,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:38,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:38,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:38,536 INFO L93 Difference]: Finished difference Result 255 states and 390 transitions. [2023-11-12 00:10:38,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:10:38,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2023-11-12 00:10:38,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:38,584 INFO L225 Difference]: With dead ends: 255 [2023-11-12 00:10:38,584 INFO L226 Difference]: Without dead ends: 176 [2023-11-12 00:10:38,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:10:38,587 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 103 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:38,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 369 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 22 Invalid, 4 Unknown, 0 Unchecked, 8.8s Time] [2023-11-12 00:10:38,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-12 00:10:38,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 132. [2023-11-12 00:10:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 77 states have internal predecessors, (95), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:10:38,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 199 transitions. [2023-11-12 00:10:38,654 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 199 transitions. Word has length 173 [2023-11-12 00:10:38,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:38,657 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 199 transitions. [2023-11-12 00:10:38,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:10:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 199 transitions. [2023-11-12 00:10:38,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-12 00:10:38,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:38,669 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:38,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:38,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:38,897 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:38,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:38,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1491505972, now seen corresponding path program 1 times [2023-11-12 00:10:38,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:38,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1804563471] [2023-11-12 00:10:38,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:38,899 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 00:10:38,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:38,905 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:38,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:39,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:10:39,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:39,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:10:39,570 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:39,571 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:39,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1804563471] [2023-11-12 00:10:39,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1804563471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:39,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:39,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:10:39,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397081112] [2023-11-12 00:10:39,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:39,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:10:39,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:39,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:10:39,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:10:39,577 INFO L87 Difference]: Start difference. First operand 132 states and 199 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:10:41,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:43,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:44,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:44,196 INFO L93 Difference]: Finished difference Result 290 states and 441 transitions. [2023-11-12 00:10:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:10:44,201 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2023-11-12 00:10:44,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:44,205 INFO L225 Difference]: With dead ends: 290 [2023-11-12 00:10:44,207 INFO L226 Difference]: Without dead ends: 211 [2023-11-12 00:10:44,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:10:44,209 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 116 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:44,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 353 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2023-11-12 00:10:44,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-11-12 00:10:44,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 134. [2023-11-12 00:10:44,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 79 states have internal predecessors, (97), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:10:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 201 transitions. [2023-11-12 00:10:44,270 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 201 transitions. Word has length 173 [2023-11-12 00:10:44,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:44,271 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 201 transitions. [2023-11-12 00:10:44,272 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:10:44,272 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 201 transitions. [2023-11-12 00:10:44,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-12 00:10:44,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:44,275 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:10:44,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:10:44,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:44,497 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:44,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:44,498 INFO L85 PathProgramCache]: Analyzing trace with hash -36022306, now seen corresponding path program 1 times [2023-11-12 00:10:44,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:44,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568761028] [2023-11-12 00:10:44,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:44,499 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 00:10:44,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:44,501 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/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 00:10:44,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c385bd7e-a458-440a-bb43-42d373520771/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-12 00:10:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:45,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:10:45,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:47,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 629 proven. 99 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2023-11-12 00:10:47,102 INFO L327 TraceCheckSpWp]: Computing backward predicates...