./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.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_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 be2e40f79fa9aafe544dbfb6b1d1f051df435db5ea0b560bd0fc960acf5ae062 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:42,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:42,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:54:42,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:42,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:42,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:42,852 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:42,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:42,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:42,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:42,859 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:42,861 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:42,861 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:42,863 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:54:42,864 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:42,864 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:42,865 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:54:42,865 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:54:42,867 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:42,868 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:54:42,868 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:54:42,869 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:54:42,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:42,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:54:42,871 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:54:42,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:54:42,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:54:42,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:42,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:54:42,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:42,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:54:42,875 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:54:42,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:54:42,875 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:42,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:42,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:42,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:42,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:42,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:42,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:54:42,878 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:54:42,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:54:42,881 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:54:42,881 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:42,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:42,883 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2e40f79fa9aafe544dbfb6b1d1f051df435db5ea0b560bd0fc960acf5ae062 [2023-11-12 00:54:43,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:54:43,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:54:43,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:54:43,186 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:54:43,188 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:54:43,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-11-12 00:54:46,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:46,743 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:46,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-11-12 00:54:46,759 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/data/a5892cd91/efe92817886949f08aae3dbdc4ac6b85/FLAGaf8a3d470 [2023-11-12 00:54:46,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/data/a5892cd91/efe92817886949f08aae3dbdc4ac6b85 [2023-11-12 00:54:46,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:46,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:46,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:46,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:46,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:46,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:46" (1/1) ... [2023-11-12 00:54:46,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea02cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:46, skipping insertion in model container [2023-11-12 00:54:46,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:46" (1/1) ... [2023-11-12 00:54:46,825 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:46,979 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_4ed1871a-6ac1-4850-a05c-a1790b474e12/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i[919,932] [2023-11-12 00:54:47,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:47,082 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:54:47,096 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_4ed1871a-6ac1-4850-a05c-a1790b474e12/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i[919,932] [2023-11-12 00:54:47,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:47,168 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:54:47,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47 WrapperNode [2023-11-12 00:54:47,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:47,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:47,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:54:47,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:54:47,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47" (1/1) ... [2023-11-12 00:54:47,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47" (1/1) ... [2023-11-12 00:54:47,289 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2023-11-12 00:54:47,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:47,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:54:47,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:54:47,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:54:47,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47" (1/1) ... [2023-11-12 00:54:47,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47" (1/1) ... [2023-11-12 00:54:47,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47" (1/1) ... [2023-11-12 00:54:47,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47" (1/1) ... [2023-11-12 00:54:47,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47" (1/1) ... [2023-11-12 00:54:47,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47" (1/1) ... [2023-11-12 00:54:47,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47" (1/1) ... [2023-11-12 00:54:47,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47" (1/1) ... [2023-11-12 00:54:47,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:54:47,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:54:47,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:54:47,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:54:47,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47" (1/1) ... [2023-11-12 00:54:47,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:47,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:47,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:54:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:54:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:54:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:54:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:54:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:54:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:54:47,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:54:47,577 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:54:47,580 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:54:48,313 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:48,893 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:48,894 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:54:48,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:48 BoogieIcfgContainer [2023-11-12 00:54:48,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:48,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:48,904 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:48,907 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:48,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:54:46" (1/3) ... [2023-11-12 00:54:48,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1119cbeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:48, skipping insertion in model container [2023-11-12 00:54:48,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:47" (2/3) ... [2023-11-12 00:54:48,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1119cbeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:48, skipping insertion in model container [2023-11-12 00:54:48,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:48" (3/3) ... [2023-11-12 00:54:48,913 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-11-12 00:54:48,934 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:54:48,934 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:54:49,002 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:54:49,011 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;@580cb038, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:54:49,012 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:54:49,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-12 00:54:49,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-12 00:54:49,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:49,035 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:49,035 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:49,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:49,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1637221055, now seen corresponding path program 1 times [2023-11-12 00:54:49,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:54:49,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511508750] [2023-11-12 00:54:49,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:49,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:54:49,326 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:54:49,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [29471094] [2023-11-12 00:54:49,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:49,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:49,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:49,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:54:49,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:54:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:54:49,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:54:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:54:50,310 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:54:50,314 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:54:50,316 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:54:50,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:50,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:54:50,532 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:54:50,536 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:54:50,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:54:50 BoogieIcfgContainer [2023-11-12 00:54:50,674 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:54:50,675 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:54:50,675 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:54:50,675 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:54:50,676 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:48" (3/4) ... [2023-11-12 00:54:50,678 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:54:50,679 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:54:50,681 INFO L158 Benchmark]: Toolchain (without parser) took 3904.41ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 104.6MB in the beginning and 120.7MB in the end (delta: -16.1MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-11-12 00:54:50,682 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:54:50,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.94ms. Allocated memory is still 151.0MB. Free memory was 104.4MB in the beginning and 88.2MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:54:50,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.33ms. Allocated memory is still 151.0MB. Free memory was 88.2MB in the beginning and 83.6MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:54:50,684 INFO L158 Benchmark]: Boogie Preprocessor took 59.66ms. Allocated memory is still 151.0MB. Free memory was 83.6MB in the beginning and 81.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:54:50,685 INFO L158 Benchmark]: RCFGBuilder took 1550.17ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 81.1MB in the beginning and 183.6MB in the end (delta: -102.5MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2023-11-12 00:54:50,685 INFO L158 Benchmark]: TraceAbstraction took 1770.96ms. Allocated memory is still 222.3MB. Free memory was 182.6MB in the beginning and 120.7MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-12 00:54:50,686 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 222.3MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:54:50,689 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.94ms. Allocated memory is still 151.0MB. Free memory was 104.4MB in the beginning and 88.2MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.33ms. Allocated memory is still 151.0MB. Free memory was 88.2MB in the beginning and 83.6MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.66ms. Allocated memory is still 151.0MB. Free memory was 83.6MB in the beginning and 81.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1550.17ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 81.1MB in the beginning and 183.6MB in the end (delta: -102.5MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1770.96ms. Allocated memory is still 222.3MB. Free memory was 182.6MB in the beginning and 120.7MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 222.3MB. Free memory is still 120.7MB. 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 65, overapproximation of shiftLeft at line 111, overapproximation of bitwiseAnd at line 131, overapproximation of someBinaryArithmeticFLOAToperation at line 81, overapproximation of someUnaryFLOAToperation at line 117. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_8 = 0; [L24] unsigned long int var_1_9 = 10; [L25] float var_1_10 = 99.5; [L26] float var_1_11 = 5.6; [L27] float var_1_12 = 255.5; [L28] float var_1_13 = 31.25; [L29] signed short int var_1_14 = 32; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_16 = 1; [L32] unsigned char var_1_17 = 5; [L33] unsigned char var_1_18 = 50; [L34] unsigned char var_1_19 = 50; [L35] signed char var_1_20 = 1; [L36] signed char var_1_21 = -10; [L37] float var_1_22 = 0.5; [L38] signed char var_1_23 = 100; [L39] signed short int var_1_24 = 2; [L40] unsigned short int var_1_31 = 8; [L41] unsigned char var_1_32 = 64; [L42] unsigned char var_1_33 = 1; [L43] unsigned char var_1_34 = 0; [L44] float var_1_35 = 32.4; [L45] float var_1_36 = 8.5; [L46] float var_1_37 = 7.5; [L47] float var_1_38 = 3.2; [L48] unsigned char var_1_39 = 16; [L49] unsigned char var_1_40 = 5; [L50] signed short int var_1_41 = -2; [L51] unsigned char var_1_42 = 10; [L52] unsigned char var_1_43 = 4; [L53] unsigned char var_1_44 = 64; [L54] signed long int var_1_45 = -25; [L55] unsigned char last_1_var_1_1 = 0; [L56] unsigned long int last_1_var_1_9 = 10; [L57] signed short int last_1_var_1_14 = 32; [L58] unsigned char last_1_var_1_16 = 1; [L59] signed char last_1_var_1_20 = 1; [L207] isInitial = 1 [L208] FCALL initially() [L209] COND TRUE 1 [L210] CALL updateLastVariables() [L196] last_1_var_1_1 = var_1_1 [L197] last_1_var_1_9 = var_1_9 [L198] last_1_var_1_14 = var_1_14 [L199] last_1_var_1_16 = var_1_16 [L200] last_1_var_1_20 = var_1_20 [L210] RET updateLastVariables() [L211] CALL updateVariables() [L146] var_1_8 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L148] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L149] var_1_11 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L151] var_1_12 = __VERIFIER_nondet_float() [L152] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L153] var_1_13 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L155] var_1_15 = __VERIFIER_nondet_ulong() [L156] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L157] CALL assume_abort_if_not(var_1_15 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_15 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L158] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L159] var_1_17 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L161] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L162] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L163] var_1_18 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L165] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L166] var_1_19 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L168] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L169] var_1_21 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L171] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L172] var_1_32 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L174] CALL assume_abort_if_not(var_1_32 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_32 <= 255) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L175] CALL assume_abort_if_not(var_1_32 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_32 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L176] var_1_34 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_34 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_34 >= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L178] CALL assume_abort_if_not(var_1_34 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_34 <= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L179] var_1_36 = __VERIFIER_nondet_float() [L180] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L181] var_1_37 = __VERIFIER_nondet_float() [L182] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L183] var_1_38 = __VERIFIER_nondet_float() [L184] CALL assume_abort_if_not((var_1_38 >= -461168.6018427382800e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 4611686.018427382800e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not((var_1_38 >= -461168.6018427382800e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 4611686.018427382800e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L185] var_1_40 = __VERIFIER_nondet_uchar() [L186] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L187] CALL assume_abort_if_not(var_1_40 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_40 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L188] var_1_43 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=-2, var_1_42=10, var_1_43=10, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=-2, var_1_42=10, var_1_43=10, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L190] CALL assume_abort_if_not(var_1_43 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=-2, var_1_42=10, var_1_43=10, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_43 <= 127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=-2, var_1_42=10, var_1_43=10, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L191] var_1_44 = __VERIFIER_nondet_uchar() [L192] CALL assume_abort_if_not(var_1_44 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=-2, var_1_42=10, var_1_43=10, var_1_44=0, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_44 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=-2, var_1_42=10, var_1_43=10, var_1_44=0, var_1_45=-25, var_1_8=1, var_1_9=10] [L193] CALL assume_abort_if_not(var_1_44 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=-2, var_1_42=10, var_1_43=10, var_1_44=0, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_44 <= 127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=-2, var_1_42=10, var_1_43=10, var_1_44=0, var_1_45=-25, var_1_8=1, var_1_9=10] [L211] RET updateVariables() [L212] CALL step() [L63] COND FALSE !(\read(var_1_1)) [L70] var_1_24 = var_1_20 [L72] COND TRUE var_1_23 >= var_1_20 [L73] COND FALSE !((4 % var_1_32) > var_1_23) [L76] var_1_31 = var_1_32 [L79] var_1_33 = var_1_34 [L80] COND FALSE !(var_1_16 >= var_1_23) [L83] COND FALSE !(var_1_1 || var_1_1) [L86] COND TRUE \read(var_1_34) [L87] var_1_41 = ((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40))) [L91] COND FALSE !(var_1_10 <= ((((var_1_38) < 0 ) ? -(var_1_38) : (var_1_38)))) [L94] COND FALSE !((var_1_14 / var_1_32) >= var_1_23) [L99] COND FALSE !(((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))) < (var_1_22 * var_1_10)) [L103] unsigned char stepLocal_1 = last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16); [L104] signed long int stepLocal_0 = last_1_var_1_20 * last_1_var_1_20; [L105] COND FALSE !(stepLocal_0 == last_1_var_1_14) [L110] unsigned long int stepLocal_6 = ((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17; [L111] EXPR 256u << last_1_var_1_16 [L111] COND FALSE !(stepLocal_6 <= (256u << last_1_var_1_16)) [L114] unsigned char stepLocal_5 = var_1_16 != var_1_16; [L115] unsigned char stepLocal_4 = var_1_8; [L116] COND TRUE (! var_1_1) || stepLocal_4 [L117] var_1_10 = (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) [L125] var_1_20 = var_1_21 [L126] var_1_22 = var_1_12 [L127] var_1_23 = var_1_21 [L128] COND FALSE !(\read(var_1_1)) [L131] EXPR (var_1_16 / var_1_15) & var_1_16 [L131] COND TRUE ((var_1_16 / var_1_15) & var_1_16) >= var_1_20 [L132] var_1_14 = var_1_16 [L137] unsigned char stepLocal_3 = var_1_20 != var_1_14; [L138] signed long int stepLocal_2 = (((var_1_16) < (0)) ? (var_1_16) : (0)); [L139] COND TRUE (var_1_1 || (var_1_16 <= var_1_14)) || stepLocal_3 [L140] COND FALSE !(stepLocal_2 <= (-5 + var_1_16)) [L212] RET step() [L213] CALL, EXPR property() [L203] EXPR (((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128)))) [L203] EXPR ((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1) [L203-L204] return (((((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1)) && (var_1_20 == ((signed char) var_1_21))) && (var_1_22 == ((float) var_1_12))) && (var_1_23 == ((signed char) var_1_21)) ; [L213] RET, EXPR property() [L213] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=8, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=1, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_24=1, var_1_31=33, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=0, var_1_42=10, var_1_43=10, var_1_44=0, var_1_45=-25, var_1_8=1, var_1_9=10] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=8, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=1, var_1_15=66044, var_1_16=1, var_1_17=255, var_1_18=2, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_24=1, var_1_31=33, var_1_32=33, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=0, var_1_41=0, var_1_42=10, var_1_43=10, var_1_44=0, var_1_45=-25, var_1_8=1, var_1_9=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 31, 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=57occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 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 00:54:50,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 be2e40f79fa9aafe544dbfb6b1d1f051df435db5ea0b560bd0fc960acf5ae062 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:53,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:53,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:54:53,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:53,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:53,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:53,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:53,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:53,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:53,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:53,718 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:53,718 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:53,719 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:53,721 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:53,721 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:53,722 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:53,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:53,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:54:53,724 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:54:53,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:54:53,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:53,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:54:53,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:53,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:54:53,727 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:54:53,728 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:54:53,728 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:54:53,729 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:54:53,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:54:53,730 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:53,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:53,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:54:53,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:53,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:53,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:53,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:53,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:54:53,734 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:54:53,734 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:54:53,735 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:54:53,735 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:53,736 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:53,736 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_4ed1871a-6ac1-4850-a05c-a1790b474e12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2e40f79fa9aafe544dbfb6b1d1f051df435db5ea0b560bd0fc960acf5ae062 [2023-11-12 00:54:54,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:54:54,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:54:54,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:54:54,188 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:54:54,188 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:54:54,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-11-12 00:54:57,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:57,712 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:57,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-11-12 00:54:57,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/data/d22965db4/1af5e7db76b54a979decf7607f28831c/FLAG901f70b8f [2023-11-12 00:54:57,754 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/data/d22965db4/1af5e7db76b54a979decf7607f28831c [2023-11-12 00:54:57,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:57,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:57,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:57,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:57,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:57,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:57" (1/1) ... [2023-11-12 00:54:57,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b22e515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:57, skipping insertion in model container [2023-11-12 00:54:57,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:57" (1/1) ... [2023-11-12 00:54:57,801 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:57,995 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_4ed1871a-6ac1-4850-a05c-a1790b474e12/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i[919,932] [2023-11-12 00:54:58,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:58,108 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:54:58,128 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_4ed1871a-6ac1-4850-a05c-a1790b474e12/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i[919,932] [2023-11-12 00:54:58,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:58,241 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:54:58,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58 WrapperNode [2023-11-12 00:54:58,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:58,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:58,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:54:58,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:54:58,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58" (1/1) ... [2023-11-12 00:54:58,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58" (1/1) ... [2023-11-12 00:54:58,335 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 211 [2023-11-12 00:54:58,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:58,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:54:58,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:54:58,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:54:58,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58" (1/1) ... [2023-11-12 00:54:58,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58" (1/1) ... [2023-11-12 00:54:58,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58" (1/1) ... [2023-11-12 00:54:58,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58" (1/1) ... [2023-11-12 00:54:58,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58" (1/1) ... [2023-11-12 00:54:58,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58" (1/1) ... [2023-11-12 00:54:58,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58" (1/1) ... [2023-11-12 00:54:58,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58" (1/1) ... [2023-11-12 00:54:58,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:54:58,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:54:58,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:54:58,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:54:58,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58" (1/1) ... [2023-11-12 00:54:58,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:58,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:58,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:54:58,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:54:58,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:54:58,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:54:58,536 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:54:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:54:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:54:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:54:58,679 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:54:58,681 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:54:59,956 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:59,978 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:59,978 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:54:59,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:59 BoogieIcfgContainer [2023-11-12 00:54:59,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:59,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:59,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:59,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:59,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:54:57" (1/3) ... [2023-11-12 00:54:59,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba19942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:59, skipping insertion in model container [2023-11-12 00:54:59,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:58" (2/3) ... [2023-11-12 00:54:59,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba19942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:59, skipping insertion in model container [2023-11-12 00:54:59,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:59" (3/3) ... [2023-11-12 00:54:59,989 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-11-12 00:55:00,008 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:55:00,008 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:55:00,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:55:00,066 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;@6ff9ba0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:55:00,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:55:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 61 states have internal predecessors, (86), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-12 00:55:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-12 00:55:00,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:00,106 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:00,106 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:00,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:00,112 INFO L85 PathProgramCache]: Analyzing trace with hash -947093788, now seen corresponding path program 1 times [2023-11-12 00:55:00,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:55:00,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802077369] [2023-11-12 00:55:00,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:00,124 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 00:55:00,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:55:00,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:00,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:00,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:55:00,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:55:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked. [2023-11-12 00:55:00,888 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:55:00,889 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:55:00,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802077369] [2023-11-12 00:55:00,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802077369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:55:00,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:55:00,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:55:00,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368982083] [2023-11-12 00:55:00,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:55:00,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:55:00,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:55:00,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:55:00,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:55:00,944 INFO L87 Difference]: Start difference. First operand has 94 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 61 states have internal predecessors, (86), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-12 00:55:00,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:55:00,997 INFO L93 Difference]: Finished difference Result 181 states and 321 transitions. [2023-11-12 00:55:00,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:55:01,000 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 200 [2023-11-12 00:55:01,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:55:01,013 INFO L225 Difference]: With dead ends: 181 [2023-11-12 00:55:01,014 INFO L226 Difference]: Without dead ends: 90 [2023-11-12 00:55:01,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 199 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 00:55:01,034 INFO L413 NwaCegarLoop]: 141 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, 141 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 00:55:01,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:55:01,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-12 00:55:01,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-12 00:55:01,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 57 states have internal predecessors, (79), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-12 00:55:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 141 transitions. [2023-11-12 00:55:01,113 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 141 transitions. Word has length 200 [2023-11-12 00:55:01,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:55:01,114 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 141 transitions. [2023-11-12 00:55:01,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-12 00:55:01,115 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2023-11-12 00:55:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-12 00:55:01,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:01,129 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:01,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:01,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:01,351 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:01,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:01,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1375585942, now seen corresponding path program 1 times [2023-11-12 00:55:01,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:55:01,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087126123] [2023-11-12 00:55:01,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:01,354 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 00:55:01,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:55:01,356 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:01,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:01,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:55:01,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:55:03,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:55:03,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:55:03,408 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:55:03,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087126123] [2023-11-12 00:55:03,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087126123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:55:03,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:55:03,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:55:03,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120545335] [2023-11-12 00:55:03,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:55:03,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:55:03,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:55:03,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:55:03,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:55:03,420 INFO L87 Difference]: Start difference. First operand 90 states and 141 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:55:04,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:55:04,960 INFO L93 Difference]: Finished difference Result 253 states and 402 transitions. [2023-11-12 00:55:04,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:55:04,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-12 00:55:04,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:55:04,970 INFO L225 Difference]: With dead ends: 253 [2023-11-12 00:55:04,970 INFO L226 Difference]: Without dead ends: 166 [2023-11-12 00:55:04,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 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 00:55:04,972 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 35 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:55:04,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 253 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-12 00:55:04,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-12 00:55:05,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 149. [2023-11-12 00:55:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 84 states have (on average 1.2976190476190477) internal successors, (109), 84 states have internal predecessors, (109), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-12 00:55:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 233 transitions. [2023-11-12 00:55:05,013 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 233 transitions. Word has length 200 [2023-11-12 00:55:05,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:55:05,015 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 233 transitions. [2023-11-12 00:55:05,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:55:05,015 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 233 transitions. [2023-11-12 00:55:05,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-12 00:55:05,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:05,019 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:05,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:05,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:05,239 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:05,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:05,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1021050758, now seen corresponding path program 1 times [2023-11-12 00:55:05,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:55:05,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506121508] [2023-11-12 00:55:05,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:05,241 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 00:55:05,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:55:05,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:05,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:05,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:55:05,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:55:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:55:07,106 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:55:07,106 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:55:07,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506121508] [2023-11-12 00:55:07,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506121508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:55:07,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:55:07,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:55:07,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381896311] [2023-11-12 00:55:07,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:55:07,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:55:07,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:55:07,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:55:07,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:55:07,110 INFO L87 Difference]: Start difference. First operand 149 states and 233 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:55:08,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:55:08,425 INFO L93 Difference]: Finished difference Result 253 states and 400 transitions. [2023-11-12 00:55:08,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:55:08,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2023-11-12 00:55:08,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:55:08,434 INFO L225 Difference]: With dead ends: 253 [2023-11-12 00:55:08,434 INFO L226 Difference]: Without dead ends: 166 [2023-11-12 00:55:08,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 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 00:55:08,436 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 30 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:55:08,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 257 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-12 00:55:08,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-12 00:55:08,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 151. [2023-11-12 00:55:08,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 86 states have (on average 1.2906976744186047) internal successors, (111), 86 states have internal predecessors, (111), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-12 00:55:08,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 235 transitions. [2023-11-12 00:55:08,475 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 235 transitions. Word has length 201 [2023-11-12 00:55:08,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:55:08,476 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 235 transitions. [2023-11-12 00:55:08,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:55:08,477 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 235 transitions. [2023-11-12 00:55:08,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-12 00:55:08,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:08,481 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:08,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:08,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:08,704 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:08,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:08,705 INFO L85 PathProgramCache]: Analyzing trace with hash 203402308, now seen corresponding path program 1 times [2023-11-12 00:55:08,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:55:08,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604592532] [2023-11-12 00:55:08,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:08,707 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 00:55:08,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:55:08,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:08,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:09,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:55:09,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:55:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:55:09,850 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:55:09,850 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:55:09,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604592532] [2023-11-12 00:55:09,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604592532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:55:09,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:55:09,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:55:09,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79574415] [2023-11-12 00:55:09,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:55:09,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:55:09,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:55:09,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:55:09,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:55:09,854 INFO L87 Difference]: Start difference. First operand 151 states and 235 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:55:10,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:55:10,459 INFO L93 Difference]: Finished difference Result 325 states and 507 transitions. [2023-11-12 00:55:10,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:55:10,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2023-11-12 00:55:10,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:55:10,464 INFO L225 Difference]: With dead ends: 325 [2023-11-12 00:55:10,464 INFO L226 Difference]: Without dead ends: 232 [2023-11-12 00:55:10,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 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 00:55:10,466 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 38 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:55:10,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 254 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 00:55:10,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-12 00:55:10,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2023-11-12 00:55:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 133 states have (on average 1.2706766917293233) internal successors, (169), 133 states have internal predecessors, (169), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-12 00:55:10,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 355 transitions. [2023-11-12 00:55:10,516 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 355 transitions. Word has length 201 [2023-11-12 00:55:10,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:55:10,517 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 355 transitions. [2023-11-12 00:55:10,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:55:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 355 transitions. [2023-11-12 00:55:10,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-12 00:55:10,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:10,521 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:10,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:10,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:10,749 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:10,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:10,750 INFO L85 PathProgramCache]: Analyzing trace with hash 811631719, now seen corresponding path program 1 times [2023-11-12 00:55:10,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:55:10,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588392796] [2023-11-12 00:55:10,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:10,751 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 00:55:10,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:55:10,754 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:10,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:11,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:55:11,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:55:11,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 870 proven. 30 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-11-12 00:55:11,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:55:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 30 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-12 00:55:11,739 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:55:11,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588392796] [2023-11-12 00:55:11,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [588392796] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:55:11,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [113063954] [2023-11-12 00:55:11,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:11,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:55:11,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:55:11,746 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:55:11,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-12 00:55:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:13,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:55:13,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:55:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 870 proven. 30 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-11-12 00:55:13,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:55:13,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 30 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-12 00:55:13,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [113063954] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:55:13,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357815450] [2023-11-12 00:55:13,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:13,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:55:13,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:55:13,636 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:55:13,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 00:55:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:14,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:55:14,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:55:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 870 proven. 30 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-11-12 00:55:14,182 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:55:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 30 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-12 00:55:14,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357815450] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:55:14,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:55:14,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-12 00:55:14,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529363511] [2023-11-12 00:55:14,387 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:55:14,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:55:14,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:55:14,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:55:14,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:55:14,390 INFO L87 Difference]: Start difference. First operand 230 states and 355 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-11-12 00:55:15,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:55:15,220 INFO L93 Difference]: Finished difference Result 418 states and 635 transitions. [2023-11-12 00:55:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 00:55:15,221 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 202 [2023-11-12 00:55:15,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:55:15,225 INFO L225 Difference]: With dead ends: 418 [2023-11-12 00:55:15,225 INFO L226 Difference]: Without dead ends: 250 [2023-11-12 00:55:15,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1210 GetRequests, 1198 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:55:15,227 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 80 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:55:15,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 336 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 00:55:15,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-12 00:55:15,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2023-11-12 00:55:15,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 142 states have (on average 1.2253521126760563) internal successors, (174), 142 states have internal predecessors, (174), 93 states have call successors, (93), 6 states have call predecessors, (93), 6 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-12 00:55:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 360 transitions. [2023-11-12 00:55:15,269 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 360 transitions. Word has length 202 [2023-11-12 00:55:15,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:55:15,270 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 360 transitions. [2023-11-12 00:55:15,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-11-12 00:55:15,271 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 360 transitions. [2023-11-12 00:55:15,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-12 00:55:15,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:15,274 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:15,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:55:15,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-12 00:55:15,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:55:15,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:55:15,902 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:15,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:15,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1794391835, now seen corresponding path program 1 times [2023-11-12 00:55:15,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:55:15,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701375157] [2023-11-12 00:55:15,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:15,904 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 00:55:15,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:55:15,905 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:15,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-12 00:55:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:16,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:55:16,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:55:16,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:55:16,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:55:16,498 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:55:16,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701375157] [2023-11-12 00:55:16,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701375157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:55:16,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:55:16,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:55:16,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809107271] [2023-11-12 00:55:16,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:55:16,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:55:16,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:55:16,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:55:16,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:55:16,502 INFO L87 Difference]: Start difference. First operand 242 states and 360 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:55:17,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:55:17,933 INFO L93 Difference]: Finished difference Result 513 states and 765 transitions. [2023-11-12 00:55:17,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:55:17,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2023-11-12 00:55:17,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:55:17,938 INFO L225 Difference]: With dead ends: 513 [2023-11-12 00:55:17,938 INFO L226 Difference]: Without dead ends: 337 [2023-11-12 00:55:17,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 200 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 00:55:17,940 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 124 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:55:17,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 371 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-12 00:55:17,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-11-12 00:55:17,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 244. [2023-11-12 00:55:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 144 states have (on average 1.2222222222222223) internal successors, (176), 144 states have internal predecessors, (176), 93 states have call successors, (93), 6 states have call predecessors, (93), 6 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-12 00:55:18,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 362 transitions. [2023-11-12 00:55:18,002 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 362 transitions. Word has length 202 [2023-11-12 00:55:18,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:55:18,004 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 362 transitions. [2023-11-12 00:55:18,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:55:18,005 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 362 transitions. [2023-11-12 00:55:18,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-12 00:55:18,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:18,008 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:18,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-12 00:55:18,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:18,224 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:18,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:18,225 INFO L85 PathProgramCache]: Analyzing trace with hash -19384473, now seen corresponding path program 1 times [2023-11-12 00:55:18,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:55:18,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656360354] [2023-11-12 00:55:18,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:18,225 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 00:55:18,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:55:18,226 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:18,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 (10)] Waiting until timeout for monitored process [2023-11-12 00:55:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:18,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:55:18,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:55:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 960 proven. 45 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-11-12 00:55:19,115 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:55:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-12 00:55:19,470 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:55:19,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656360354] [2023-11-12 00:55:19,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656360354] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:55:19,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [479484572] [2023-11-12 00:55:19,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:19,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:55:19,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:55:19,472 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:55:19,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-12 00:55:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:21,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:55:21,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:55:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 960 proven. 45 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-11-12 00:55:21,485 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:55:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-12 00:55:21,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [479484572] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:55:21,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349924621] [2023-11-12 00:55:21,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:21,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:55:21,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:55:21,823 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:55:21,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-12 00:55:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:22,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 00:55:22,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:55:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1160 proven. 93 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2023-11-12 00:55:23,110 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:55:23,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 105 proven. 72 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2023-11-12 00:55:23,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349924621] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:55:23,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:55:23,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 14, 12] total 22 [2023-11-12 00:55:23,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598454359] [2023-11-12 00:55:23,687 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:55:23,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-12 00:55:23,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:55:23,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-12 00:55:23,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2023-11-12 00:55:23,691 INFO L87 Difference]: Start difference. First operand 244 states and 362 transitions. Second operand has 22 states, 21 states have (on average 4.857142857142857) internal successors, (102), 20 states have internal predecessors, (102), 6 states have call successors, (66), 4 states have call predecessors, (66), 8 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) [2023-11-12 00:55:28,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:55:28,570 INFO L93 Difference]: Finished difference Result 595 states and 844 transitions. [2023-11-12 00:55:28,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-12 00:55:28,572 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.857142857142857) internal successors, (102), 20 states have internal predecessors, (102), 6 states have call successors, (66), 4 states have call predecessors, (66), 8 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) Word has length 202 [2023-11-12 00:55:28,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:55:28,575 INFO L225 Difference]: With dead ends: 595 [2023-11-12 00:55:28,575 INFO L226 Difference]: Without dead ends: 417 [2023-11-12 00:55:28,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1258 GetRequests, 1192 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1136 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1085, Invalid=3075, Unknown=0, NotChecked=0, Total=4160 [2023-11-12 00:55:28,580 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 421 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:55:28,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 1102 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-12 00:55:28,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2023-11-12 00:55:28,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 274. [2023-11-12 00:55:28,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 166 states have (on average 1.1867469879518073) internal successors, (197), 166 states have internal predecessors, (197), 93 states have call successors, (93), 14 states have call predecessors, (93), 14 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-12 00:55:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 383 transitions. [2023-11-12 00:55:28,631 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 383 transitions. Word has length 202 [2023-11-12 00:55:28,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:55:28,632 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 383 transitions. [2023-11-12 00:55:28,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.857142857142857) internal successors, (102), 20 states have internal predecessors, (102), 6 states have call successors, (66), 4 states have call predecessors, (66), 8 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) [2023-11-12 00:55:28,633 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 383 transitions. [2023-11-12 00:55:28,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-12 00:55:28,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:28,637 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:28,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 (10)] Forceful destruction successful, exit code 0 [2023-11-12 00:55:28,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-12 00:55:29,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-12 00:55:29,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:55:29,253 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:29,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:29,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1924614207, now seen corresponding path program 1 times [2023-11-12 00:55:29,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:55:29,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1782093598] [2023-11-12 00:55:29,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:29,254 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 00:55:29,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:55:29,255 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:29,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 (13)] Waiting until timeout for monitored process [2023-11-12 00:55:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:29,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:55:29,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:55:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:55:30,999 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:55:31,000 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:55:31,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1782093598] [2023-11-12 00:55:31,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1782093598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:55:31,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:55:31,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:55:31,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607706654] [2023-11-12 00:55:31,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:55:31,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:55:31,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:55:31,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:55:31,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:55:31,003 INFO L87 Difference]: Start difference. First operand 274 states and 383 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:55:32,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:55:32,000 INFO L93 Difference]: Finished difference Result 499 states and 697 transitions. [2023-11-12 00:55:32,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:55:32,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2023-11-12 00:55:32,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:55:32,004 INFO L225 Difference]: With dead ends: 499 [2023-11-12 00:55:32,004 INFO L226 Difference]: Without dead ends: 299 [2023-11-12 00:55:32,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:55:32,006 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 84 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:55:32,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 446 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 00:55:32,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-11-12 00:55:32,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 282. [2023-11-12 00:55:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 174 states have (on average 1.1954022988505748) internal successors, (208), 174 states have internal predecessors, (208), 93 states have call successors, (93), 14 states have call predecessors, (93), 14 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-12 00:55:32,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 394 transitions. [2023-11-12 00:55:32,055 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 394 transitions. Word has length 202 [2023-11-12 00:55:32,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:55:32,056 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 394 transitions. [2023-11-12 00:55:32,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-12 00:55:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 394 transitions. [2023-11-12 00:55:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-12 00:55:32,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:32,061 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:32,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 (13)] Forceful destruction successful, exit code 0 [2023-11-12 00:55:32,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:32,284 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:32,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:32,285 INFO L85 PathProgramCache]: Analyzing trace with hash -27132218, now seen corresponding path program 1 times [2023-11-12 00:55:32,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:55:32,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923571030] [2023-11-12 00:55:32,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:32,286 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 00:55:32,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:55:32,288 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 00:55:32,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed1871a-6ac1-4850-a05c-a1790b474e12/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 (14)] Waiting until timeout for monitored process [2023-11-12 00:55:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:32,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-12 00:55:32,840 INFO L285 TraceCheckSpWp]: Computing forward predicates...