./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-43.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ --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 db54be3d9f8497342bca581078b31c3a59011e5e7c5b276c7ee614fb1a4f3efd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:12:27,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:12:27,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:12:27,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:12:27,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:12:27,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:12:27,870 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:12:27,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:12:27,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:12:27,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:12:27,879 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:12:27,881 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:12:27,881 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:12:27,883 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:12:27,884 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:12:27,884 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:12:27,884 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:12:27,885 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:12:27,885 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:12:27,886 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:12:27,888 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:12:27,889 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:12:27,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:12:27,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:12:27,891 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:12:27,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:12:27,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:12:27,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:12:27,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:12:27,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:12:27,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:12:27,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:12:27,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:12:27,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:12:27,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:12:27,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:12:27,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:27,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:12:27,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:12:27,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:12:27,897 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:12:27,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:12:27,898 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:12:27,898 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:12:27,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:12:27,899 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_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db54be3d9f8497342bca581078b31c3a59011e5e7c5b276c7ee614fb1a4f3efd [2023-11-19 04:12:28,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:12:28,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:12:28,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:12:28,288 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:12:28,289 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:12:28,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-43.i [2023-11-19 04:12:31,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:12:32,163 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:12:32,164 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-43.i [2023-11-19 04:12:32,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/data/0a1cbaeb0/a141e37cbbd4437dbe6f7eaf1d5fc502/FLAG72e77bcd1 [2023-11-19 04:12:32,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/data/0a1cbaeb0/a141e37cbbd4437dbe6f7eaf1d5fc502 [2023-11-19 04:12:32,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:12:32,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:12:32,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:12:32,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:12:32,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:12:32,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4564753c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32, skipping insertion in model container [2023-11-19 04:12:32,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:12:32,393 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_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-43.i[916,929] [2023-11-19 04:12:32,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:12:32,533 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:12:32,546 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_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-43.i[916,929] [2023-11-19 04:12:32,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:12:32,621 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:12:32,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32 WrapperNode [2023-11-19 04:12:32,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:12:32,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:12:32,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:12:32,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:12:32,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,698 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 279 [2023-11-19 04:12:32,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:12:32,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:12:32,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:12:32,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:12:32,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:12:32,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:12:32,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:12:32,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:12:32,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32" (1/1) ... [2023-11-19 04:12:32,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:32,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:12:32,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:12:32,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:12:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:12:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:12:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:12:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:12:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:12:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:12:33,032 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:12:33,037 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:12:33,721 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:12:34,501 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:12:34,502 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:12:34,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:34 BoogieIcfgContainer [2023-11-19 04:12:34,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:12:34,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:12:34,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:12:34,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:12:34,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:12:32" (1/3) ... [2023-11-19 04:12:34,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516593d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:12:34, skipping insertion in model container [2023-11-19 04:12:34,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:32" (2/3) ... [2023-11-19 04:12:34,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516593d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:12:34, skipping insertion in model container [2023-11-19 04:12:34,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:34" (3/3) ... [2023-11-19 04:12:34,522 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-43.i [2023-11-19 04:12:34,542 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:12:34,542 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:12:34,609 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:12:34,616 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;@7e8b15c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:12:34,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:12:34,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:12:34,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 04:12:34,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:34,634 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:34,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:34,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:34,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1152502124, now seen corresponding path program 1 times [2023-11-19 04:12:34,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:12:34,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285252421] [2023-11-19 04:12:34,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:34,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:12:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:12:35,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:12:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:12:36,312 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:12:36,315 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:12:36,316 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:12:36,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:12:36,323 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:12:36,329 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:12:36,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:12:36 BoogieIcfgContainer [2023-11-19 04:12:36,485 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:12:36,487 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:12:36,487 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:12:36,487 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:12:36,488 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:34" (3/4) ... [2023-11-19 04:12:36,493 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:12:36,494 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:12:36,496 INFO L158 Benchmark]: Toolchain (without parser) took 4292.23ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 126.1MB in the beginning and 131.0MB in the end (delta: -4.9MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2023-11-19 04:12:36,496 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:12:36,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.68ms. Allocated memory is still 167.8MB. Free memory was 126.1MB in the beginning and 109.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:12:36,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.63ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 104.0MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:12:36,500 INFO L158 Benchmark]: Boogie Preprocessor took 107.54ms. Allocated memory is still 167.8MB. Free memory was 104.0MB in the beginning and 101.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:12:36,505 INFO L158 Benchmark]: RCFGBuilder took 1701.77ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 101.3MB in the beginning and 169.3MB in the end (delta: -68.0MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2023-11-19 04:12:36,506 INFO L158 Benchmark]: TraceAbstraction took 1971.40ms. Allocated memory is still 237.0MB. Free memory was 168.3MB in the beginning and 131.0MB in the end (delta: 37.3MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2023-11-19 04:12:36,507 INFO L158 Benchmark]: Witness Printer took 7.73ms. Allocated memory is still 237.0MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:12:36,515 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.68ms. Allocated memory is still 167.8MB. Free memory was 126.1MB in the beginning and 109.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.63ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 104.0MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.54ms. Allocated memory is still 167.8MB. Free memory was 104.0MB in the beginning and 101.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1701.77ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 101.3MB in the beginning and 169.3MB in the end (delta: -68.0MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1971.40ms. Allocated memory is still 237.0MB. Free memory was 168.3MB in the beginning and 131.0MB in the end (delta: 37.3MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Witness Printer took 7.73ms. Allocated memory is still 237.0MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 155, overapproximation of bitwiseOr at line 64, overapproximation of bitwiseAnd at line 72, overapproximation of someBinaryArithmeticDOUBLEoperation at line 138, overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 10; [L24] unsigned char var_1_5 = 4; [L25] unsigned char var_1_6 = 1; [L26] float var_1_7 = 127.25; [L27] float var_1_8 = 128.5; [L28] unsigned char var_1_11 = 0; [L29] unsigned char var_1_12 = 0; [L30] signed long int var_1_13 = -10; [L31] unsigned char var_1_14 = 1; [L32] signed char var_1_16 = -1; [L33] signed char var_1_17 = -5; [L34] signed char var_1_18 = 2; [L35] double var_1_19 = 256.7; [L36] double var_1_20 = 256.5; [L37] double var_1_21 = 5.058; [L38] double var_1_22 = 2.4; [L39] double var_1_23 = 5.875; [L40] signed long int var_1_24 = -128; [L41] unsigned long int var_1_25 = 128; [L42] unsigned char var_1_26 = 128; [L43] unsigned long int var_1_27 = 4189380979; [L44] unsigned char var_1_28 = 0; [L45] unsigned char var_1_29 = 0; [L46] unsigned long int var_1_30 = 2; [L47] unsigned long int var_1_31 = 1701266831; [L48] unsigned long int var_1_32 = 1169870883; [L49] double var_1_33 = 4.3; [L50] double var_1_34 = 7.25; [L51] unsigned short int var_1_35 = 32; [L52] unsigned char last_1_var_1_1 = 1; [L53] unsigned char last_1_var_1_6 = 1; [L54] signed char last_1_var_1_16 = -1; [L55] double last_1_var_1_19 = 256.7; [L56] signed long int last_1_var_1_24 = -128; [L57] unsigned long int last_1_var_1_25 = 128; [L58] unsigned long int last_1_var_1_30 = 2; [L59] double last_1_var_1_33 = 4.3; [L204] isInitial = 1 [L205] FCALL initially() [L206] COND TRUE 1 [L207] CALL updateLastVariables() [L190] last_1_var_1_1 = var_1_1 [L191] last_1_var_1_6 = var_1_6 [L192] last_1_var_1_16 = var_1_16 [L193] last_1_var_1_19 = var_1_19 [L194] last_1_var_1_24 = var_1_24 [L195] last_1_var_1_25 = var_1_25 [L196] last_1_var_1_30 = var_1_30 [L197] last_1_var_1_33 = var_1_33 [L207] RET updateLastVariables() [L208] CALL updateVariables() [L146] var_1_4 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_5=4, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_5=4, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L148] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=4, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=4, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L149] var_1_5 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L151] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=509/4, var_1_8=257/2] [L152] var_1_7 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427387900e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=257/2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427387900e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=257/2] [L154] var_1_8 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L156] var_1_11 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L158] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L159] var_1_12 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L161] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=-5, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L162] var_1_17 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L164] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=2, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L165] var_1_18 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L167] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=513/2, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L168] var_1_20 = __VERIFIER_nondet_double() [L169] CALL assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2529/500, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L170] var_1_21 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=12/5, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L172] var_1_22 = __VERIFIER_nondet_double() [L173] CALL assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=47/8, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L174] var_1_23 = __VERIFIER_nondet_double() [L175] CALL assume_abort_if_not((var_1_23 >= -230584.3009213691390e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 2305843.009213691390e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not((var_1_23 >= -230584.3009213691390e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 2305843.009213691390e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=4189380979, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L176] var_1_27 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_27 >= 3221225471) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_27 >= 3221225471) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L178] CALL assume_abort_if_not(var_1_27 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_27 <= 4294967295) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=0, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L179] var_1_29 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L181] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1701266831, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L182] var_1_31 = __VERIFIER_nondet_ulong() [L183] CALL assume_abort_if_not(var_1_31 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1157955711, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_31 >= 1073741823) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1157955711, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L184] CALL assume_abort_if_not(var_1_31 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1157955711, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_31 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1157955711, var_1_32=1169870883, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L185] var_1_32 = __VERIFIER_nondet_ulong() [L186] CALL assume_abort_if_not(var_1_32 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1157955711, var_1_32=2147483647, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_32 >= 1073741824) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1157955711, var_1_32=2147483647, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L187] CALL assume_abort_if_not(var_1_32 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1157955711, var_1_32=2147483647, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_32 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=-10, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=1, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-128, var_1_25=128, var_1_26=128, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=2, var_1_31=1157955711, var_1_32=2147483647, var_1_33=43/10, var_1_34=29/4, var_1_35=32, var_1_4=126, var_1_5=126, var_1_6=1, var_1_7=2557/10, var_1_8=7600406536] [L208] RET updateVariables() [L209] CALL step() [L63] COND TRUE last_1_var_1_6 || last_1_var_1_6 [L64] EXPR last_1_var_1_16 | ((((var_1_5) > (128)) ? (var_1_5) : (128))) [L64] COND FALSE !((last_1_var_1_16 | ((((var_1_5) > (128)) ? (var_1_5) : (128)))) < last_1_var_1_25) [L68] COND FALSE !(last_1_var_1_33 > last_1_var_1_33) [L71] unsigned long int stepLocal_6 = (var_1_27 - last_1_var_1_1) - var_1_4; [L72] EXPR last_1_var_1_30 & last_1_var_1_25 [L72] COND TRUE stepLocal_6 > (last_1_var_1_30 & last_1_var_1_25) [L73] var_1_26 = (var_1_4 + 4) [L77] unsigned char stepLocal_0 = var_1_14; [L78] COND FALSE !(var_1_28 && stepLocal_0) [L81] var_1_1 = ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) [L83] var_1_30 = ((((((var_1_31 + var_1_32)) < ((3305479224u - var_1_5))) ? ((var_1_31 + var_1_32)) : ((3305479224u - var_1_5)))) - ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) [L84] var_1_33 = var_1_20 [L85] var_1_34 = var_1_22 [L86] var_1_35 = var_1_30 [L87] COND FALSE !(var_1_18 <= (~ var_1_4)) [L94] var_1_24 = var_1_18 [L96] unsigned char stepLocal_1 = var_1_5; [L97] COND FALSE !(var_1_7 > var_1_33) [L104] var_1_13 = var_1_4 [L106] COND TRUE ((var_1_7 + 100000.5f) - var_1_8) > (var_1_33 + var_1_34) [L107] COND FALSE !(var_1_8 > var_1_33) [L110] var_1_6 = var_1_11 [L115] unsigned char stepLocal_2 = var_1_14; [L116] COND FALSE !(stepLocal_2 && var_1_6) [L119] COND FALSE !(\read(var_1_28)) [L123] signed long int stepLocal_5 = var_1_13; [L124] EXPR var_1_24 | var_1_35 [L124] signed long int stepLocal_4 = var_1_24 | var_1_35; [L125] COND TRUE (10000 / 64) >= stepLocal_4 [L126] var_1_25 = ((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4))) [L134] signed char stepLocal_3 = var_1_18; [L135] COND TRUE (var_1_16 ^ 1) >= stepLocal_3 [L136] COND FALSE !(\read(var_1_28)) [L209] RET step() [L210] CALL, EXPR property() [L200] EXPR ((((var_1_28 && var_1_14) ? (var_1_1 == ((unsigned char) (var_1_4 + 5))) : (var_1_1 == ((unsigned char) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) && ((((var_1_7 + 100000.5f) - var_1_8) > (var_1_33 + var_1_34)) ? ((var_1_8 > var_1_33) ? (var_1_6 == ((unsigned char) (var_1_11 || var_1_12))) : (var_1_6 == ((unsigned char) var_1_11))) : (var_1_6 == ((unsigned char) 0)))) && ((var_1_7 > var_1_33) ? ((var_1_5 < var_1_26) ? (var_1_13 == ((signed long int) (var_1_4 - 1))) : (var_1_13 == ((signed long int) var_1_5))) : (var_1_13 == ((signed long int) var_1_4)))) && ((last_1_var_1_6 || last_1_var_1_6) ? (((last_1_var_1_16 | ((((var_1_5) > (128)) ? (var_1_5) : (128)))) < last_1_var_1_25) ? (var_1_14 == ((unsigned char) (var_1_11 || var_1_12))) : 1) : 1) [L200] EXPR ((((((((var_1_28 && var_1_14) ? (var_1_1 == ((unsigned char) (var_1_4 + 5))) : (var_1_1 == ((unsigned char) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) && ((((var_1_7 + 100000.5f) - var_1_8) > (var_1_33 + var_1_34)) ? ((var_1_8 > var_1_33) ? (var_1_6 == ((unsigned char) (var_1_11 || var_1_12))) : (var_1_6 == ((unsigned char) var_1_11))) : (var_1_6 == ((unsigned char) 0)))) && ((var_1_7 > var_1_33) ? ((var_1_5 < var_1_26) ? (var_1_13 == ((signed long int) (var_1_4 - 1))) : (var_1_13 == ((signed long int) var_1_5))) : (var_1_13 == ((signed long int) var_1_4)))) && ((last_1_var_1_6 || last_1_var_1_6) ? (((last_1_var_1_16 | ((((var_1_5) > (128)) ? (var_1_5) : (128)))) < last_1_var_1_25) ? (var_1_14 == ((unsigned char) (var_1_11 || var_1_12))) : 1) : 1)) && ((var_1_14 && var_1_6) ? (var_1_16 == ((signed char) (((((var_1_17 + var_1_18)) < (-5)) ? ((var_1_17 + var_1_18)) : (-5))))) : (var_1_28 ? (var_1_16 == ((signed char) var_1_17)) : 1))) && (((var_1_16 ^ 1) >= var_1_18) ? (var_1_28 ? ((var_1_8 <= ((((var_1_33) > (last_1_var_1_19)) ? (var_1_33) : (last_1_var_1_19)))) ? (var_1_19 == ((double) ((((var_1_7) > (((var_1_20 + var_1_21) + (var_1_22 + var_1_23)))) ? (var_1_7) : (((var_1_20 + var_1_21) + (var_1_22 + var_1_23))))))) : (var_1_19 == ((double) var_1_21))) : 1) : 1)) && ((var_1_18 <= (~ var_1_4)) ? (var_1_28 ? (var_1_24 == ((signed long int) ((((256) < (((var_1_26 + var_1_18) + ((((last_1_var_1_24) < (var_1_5)) ? (last_1_var_1_24) : (var_1_5)))))) ? (256) : (((var_1_26 + var_1_18) + ((((last_1_var_1_24) < (var_1_5)) ? (last_1_var_1_24) : (var_1_5))))))))) : (var_1_24 == ((signed long int) -5))) : (var_1_24 == ((signed long int) var_1_18)))) && (((10000 / 64) >= (var_1_24 | var_1_35)) ? (var_1_25 == ((unsigned long int) ((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4))))) : ((var_1_13 < ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) ? (var_1_25 == ((unsigned long int) var_1_26)) : (var_1_25 == ((unsigned long int) var_1_26)))) [L200] EXPR (((((((((var_1_28 && var_1_14) ? (var_1_1 == ((unsigned char) (var_1_4 + 5))) : (var_1_1 == ((unsigned char) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) && ((((var_1_7 + 100000.5f) - var_1_8) > (var_1_33 + var_1_34)) ? ((var_1_8 > var_1_33) ? (var_1_6 == ((unsigned char) (var_1_11 || var_1_12))) : (var_1_6 == ((unsigned char) var_1_11))) : (var_1_6 == ((unsigned char) 0)))) && ((var_1_7 > var_1_33) ? ((var_1_5 < var_1_26) ? (var_1_13 == ((signed long int) (var_1_4 - 1))) : (var_1_13 == ((signed long int) var_1_5))) : (var_1_13 == ((signed long int) var_1_4)))) && ((last_1_var_1_6 || last_1_var_1_6) ? (((last_1_var_1_16 | ((((var_1_5) > (128)) ? (var_1_5) : (128)))) < last_1_var_1_25) ? (var_1_14 == ((unsigned char) (var_1_11 || var_1_12))) : 1) : 1)) && ((var_1_14 && var_1_6) ? (var_1_16 == ((signed char) (((((var_1_17 + var_1_18)) < (-5)) ? ((var_1_17 + var_1_18)) : (-5))))) : (var_1_28 ? (var_1_16 == ((signed char) var_1_17)) : 1))) && (((var_1_16 ^ 1) >= var_1_18) ? (var_1_28 ? ((var_1_8 <= ((((var_1_33) > (last_1_var_1_19)) ? (var_1_33) : (last_1_var_1_19)))) ? (var_1_19 == ((double) ((((var_1_7) > (((var_1_20 + var_1_21) + (var_1_22 + var_1_23)))) ? (var_1_7) : (((var_1_20 + var_1_21) + (var_1_22 + var_1_23))))))) : (var_1_19 == ((double) var_1_21))) : 1) : 1)) && ((var_1_18 <= (~ var_1_4)) ? (var_1_28 ? (var_1_24 == ((signed long int) ((((256) < (((var_1_26 + var_1_18) + ((((last_1_var_1_24) < (var_1_5)) ? (last_1_var_1_24) : (var_1_5)))))) ? (256) : (((var_1_26 + var_1_18) + ((((last_1_var_1_24) < (var_1_5)) ? (last_1_var_1_24) : (var_1_5))))))))) : (var_1_24 == ((signed long int) -5))) : (var_1_24 == ((signed long int) var_1_18)))) && (((10000 / 64) >= (var_1_24 | var_1_35)) ? (var_1_25 == ((unsigned long int) ((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4))))) : ((var_1_13 < ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) ? (var_1_25 == ((unsigned long int) var_1_26)) : (var_1_25 == ((unsigned long int) var_1_26))))) && ((((var_1_27 - last_1_var_1_1) - var_1_4) > (last_1_var_1_30 & last_1_var_1_25)) ? (var_1_26 == ((unsigned char) (var_1_4 + 4))) : (var_1_26 == ((unsigned char) (4 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))))) [L200-L201] return ((((((((((((((var_1_28 && var_1_14) ? (var_1_1 == ((unsigned char) (var_1_4 + 5))) : (var_1_1 == ((unsigned char) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) && ((((var_1_7 + 100000.5f) - var_1_8) > (var_1_33 + var_1_34)) ? ((var_1_8 > var_1_33) ? (var_1_6 == ((unsigned char) (var_1_11 || var_1_12))) : (var_1_6 == ((unsigned char) var_1_11))) : (var_1_6 == ((unsigned char) 0)))) && ((var_1_7 > var_1_33) ? ((var_1_5 < var_1_26) ? (var_1_13 == ((signed long int) (var_1_4 - 1))) : (var_1_13 == ((signed long int) var_1_5))) : (var_1_13 == ((signed long int) var_1_4)))) && ((last_1_var_1_6 || last_1_var_1_6) ? (((last_1_var_1_16 | ((((var_1_5) > (128)) ? (var_1_5) : (128)))) < last_1_var_1_25) ? (var_1_14 == ((unsigned char) (var_1_11 || var_1_12))) : 1) : 1)) && ((var_1_14 && var_1_6) ? (var_1_16 == ((signed char) (((((var_1_17 + var_1_18)) < (-5)) ? ((var_1_17 + var_1_18)) : (-5))))) : (var_1_28 ? (var_1_16 == ((signed char) var_1_17)) : 1))) && (((var_1_16 ^ 1) >= var_1_18) ? (var_1_28 ? ((var_1_8 <= ((((var_1_33) > (last_1_var_1_19)) ? (var_1_33) : (last_1_var_1_19)))) ? (var_1_19 == ((double) ((((var_1_7) > (((var_1_20 + var_1_21) + (var_1_22 + var_1_23)))) ? (var_1_7) : (((var_1_20 + var_1_21) + (var_1_22 + var_1_23))))))) : (var_1_19 == ((double) var_1_21))) : 1) : 1)) && ((var_1_18 <= (~ var_1_4)) ? (var_1_28 ? (var_1_24 == ((signed long int) ((((256) < (((var_1_26 + var_1_18) + ((((last_1_var_1_24) < (var_1_5)) ? (last_1_var_1_24) : (var_1_5)))))) ? (256) : (((var_1_26 + var_1_18) + ((((last_1_var_1_24) < (var_1_5)) ? (last_1_var_1_24) : (var_1_5))))))))) : (var_1_24 == ((signed long int) -5))) : (var_1_24 == ((signed long int) var_1_18)))) && (((10000 / 64) >= (var_1_24 | var_1_35)) ? (var_1_25 == ((unsigned long int) ((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4))))) : ((var_1_13 < ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) ? (var_1_25 == ((unsigned long int) var_1_26)) : (var_1_25 == ((unsigned long int) var_1_26))))) && ((((var_1_27 - last_1_var_1_1) - var_1_4) > (last_1_var_1_30 & last_1_var_1_25)) ? (var_1_26 == ((unsigned char) (var_1_4 + 4))) : (var_1_26 == ((unsigned char) (4 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))))) && ((last_1_var_1_33 > last_1_var_1_33) ? (var_1_28 == ((unsigned char) (! ((var_1_4 != last_1_var_1_24) || var_1_29)))) : 1)) && (var_1_30 == ((unsigned long int) ((((((var_1_31 + var_1_32)) < ((3305479224u - var_1_5))) ? ((var_1_31 + var_1_32)) : ((3305479224u - var_1_5)))) - ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))))) && (var_1_33 == ((double) var_1_20))) && (var_1_34 == ((double) var_1_22))) && (var_1_35 == ((unsigned short int) var_1_30)) ; [L210] RET, EXPR property() [L210] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=126, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=126, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-63, var_1_25=126, var_1_26=130, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=3305439232, var_1_31=1157955711, var_1_32=2147483647, var_1_33=7600406535, var_1_34=7600406534, var_1_35=0, var_1_4=126, var_1_5=126, var_1_6=0, var_1_7=2557/10, var_1_8=7600406536] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=-1, last_1_var_1_19=2567/10, last_1_var_1_1=1, last_1_var_1_24=-128, last_1_var_1_25=128, last_1_var_1_30=2, last_1_var_1_33=43/10, last_1_var_1_6=1, var_1_11=0, var_1_12=0, var_1_13=126, var_1_14=1, var_1_16=-1, var_1_17=57, var_1_18=-63, var_1_19=2567/10, var_1_1=126, var_1_20=7600406535, var_1_21=2567/10, var_1_22=7600406534, var_1_23=7600406533, var_1_24=-63, var_1_25=126, var_1_26=130, var_1_27=3221225471, var_1_28=0, var_1_29=1, var_1_30=3305439232, var_1_31=1157955711, var_1_32=2147483647, var_1_33=7600406535, var_1_34=7600406534, var_1_35=0, var_1_4=126, var_1_5=126, var_1_6=0, var_1_7=2557/10, var_1_8=7600406536] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:12:36,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ --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 db54be3d9f8497342bca581078b31c3a59011e5e7c5b276c7ee614fb1a4f3efd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:12:39,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:12:39,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:12:39,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:12:39,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:12:39,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:12:39,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:12:39,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:12:39,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:12:39,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:12:39,395 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:12:39,395 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:12:39,396 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:12:39,397 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:12:39,398 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:12:39,398 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:12:39,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:12:39,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:12:39,401 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:12:39,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:12:39,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:12:39,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:12:39,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:12:39,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:12:39,403 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:12:39,404 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:12:39,404 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:12:39,405 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:12:39,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:12:39,406 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:12:39,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:12:39,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:12:39,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:12:39,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:39,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:12:39,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:12:39,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:12:39,409 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:12:39,410 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:12:39,411 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:12:39,411 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:12:39,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:12:39,412 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_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db54be3d9f8497342bca581078b31c3a59011e5e7c5b276c7ee614fb1a4f3efd [2023-11-19 04:12:39,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:12:39,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:12:39,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:12:39,845 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:12:39,845 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:12:39,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-43.i [2023-11-19 04:12:42,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:12:43,260 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:12:43,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-43.i [2023-11-19 04:12:43,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/data/2757d65f1/2b3532096de04002888ec816d8b62f8c/FLAGd6c1dc614 [2023-11-19 04:12:43,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/data/2757d65f1/2b3532096de04002888ec816d8b62f8c [2023-11-19 04:12:43,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:12:43,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:12:43,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:12:43,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:12:43,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:12:43,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba2469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43, skipping insertion in model container [2023-11-19 04:12:43,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,359 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:12:43,531 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_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-43.i[916,929] [2023-11-19 04:12:43,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:12:43,675 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:12:43,694 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_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-43.i[916,929] [2023-11-19 04:12:43,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:12:43,813 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:12:43,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43 WrapperNode [2023-11-19 04:12:43,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:12:43,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:12:43,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:12:43,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:12:43,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,909 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-11-19 04:12:43,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:12:43,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:12:43,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:12:43,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:12:43,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:12:43,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:12:43,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:12:43,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:12:43,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43" (1/1) ... [2023-11-19 04:12:43,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:44,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:12:44,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:12:44,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:12:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:12:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:12:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:12:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:12:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:12:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:12:44,330 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:12:44,342 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:12:52,978 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:12:52,987 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:12:52,991 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:12:52,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:52 BoogieIcfgContainer [2023-11-19 04:12:52,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:12:53,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:12:53,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:12:53,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:12:53,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:12:43" (1/3) ... [2023-11-19 04:12:53,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a6e2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:12:53, skipping insertion in model container [2023-11-19 04:12:53,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:43" (2/3) ... [2023-11-19 04:12:53,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a6e2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:12:53, skipping insertion in model container [2023-11-19 04:12:53,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:52" (3/3) ... [2023-11-19 04:12:53,008 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-43.i [2023-11-19 04:12:53,027 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:12:53,027 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:12:53,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:12:53,085 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;@76ca047a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:12:53,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:12:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:12:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 04:12:53,110 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:53,111 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:53,112 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:53,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:53,118 INFO L85 PathProgramCache]: Analyzing trace with hash 834439615, now seen corresponding path program 1 times [2023-11-19 04:12:53,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:53,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055623953] [2023-11-19 04:12:53,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:53,132 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 [2023-11-19 04:12:53,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:53,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:12:53,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:12:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:53,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:12:53,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2023-11-19 04:12:53,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:53,937 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:53,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055623953] [2023-11-19 04:12:53,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055623953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:53,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:53,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:12:53,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066722729] [2023-11-19 04:12:53,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:53,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:12:53,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:53,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:12:53,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:12:53,992 INFO L87 Difference]: Start difference. First operand has 86 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 04:12:54,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:54,044 INFO L93 Difference]: Finished difference Result 165 states and 284 transitions. [2023-11-19 04:12:54,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:12:54,051 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 172 [2023-11-19 04:12:54,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:54,067 INFO L225 Difference]: With dead ends: 165 [2023-11-19 04:12:54,067 INFO L226 Difference]: Without dead ends: 82 [2023-11-19 04:12:54,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:12:54,080 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:54,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:12:54,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-19 04:12:54,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-19 04:12:54,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 54 states have internal predecessors, (72), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:12:54,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 124 transitions. [2023-11-19 04:12:54,153 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 124 transitions. Word has length 172 [2023-11-19 04:12:54,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:54,154 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 124 transitions. [2023-11-19 04:12:54,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 04:12:54,155 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2023-11-19 04:12:54,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 04:12:54,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:54,162 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:54,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:12:54,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:12:54,382 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:54,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:54,384 INFO L85 PathProgramCache]: Analyzing trace with hash 287278089, now seen corresponding path program 1 times [2023-11-19 04:12:54,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:54,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452205993] [2023-11-19 04:12:54,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:54,389 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 [2023-11-19 04:12:54,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:54,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:12:54,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:12:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:55,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:12:55,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 04:12:56,927 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:56,928 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:56,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452205993] [2023-11-19 04:12:56,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1452205993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:56,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:56,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:12:56,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227803726] [2023-11-19 04:12:56,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:56,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:12:56,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:56,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:12:56,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:12:56,937 INFO L87 Difference]: Start difference. First operand 82 states and 124 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 04:12:58,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:00,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:02,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:05,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:07,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:07,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:07,162 INFO L93 Difference]: Finished difference Result 241 states and 367 transitions. [2023-11-19 04:13:07,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:13:07,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2023-11-19 04:13:07,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:07,235 INFO L225 Difference]: With dead ends: 241 [2023-11-19 04:13:07,235 INFO L226 Difference]: Without dead ends: 162 [2023-11-19 04:13:07,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:13:07,239 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 91 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:07,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 353 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 11 Invalid, 4 Unknown, 0 Unchecked, 10.1s Time] [2023-11-19 04:13:07,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-19 04:13:07,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 131. [2023-11-19 04:13:07,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 76 states have (on average 1.236842105263158) internal successors, (94), 76 states have internal predecessors, (94), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-19 04:13:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 198 transitions. [2023-11-19 04:13:07,296 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 198 transitions. Word has length 172 [2023-11-19 04:13:07,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:07,298 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 198 transitions. [2023-11-19 04:13:07,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 04:13:07,299 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 198 transitions. [2023-11-19 04:13:07,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 04:13:07,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:07,304 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:07,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:13:07,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:13:07,518 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:07,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:07,520 INFO L85 PathProgramCache]: Analyzing trace with hash -415612251, now seen corresponding path program 1 times [2023-11-19 04:13:07,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:07,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175179930] [2023-11-19 04:13:07,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:07,522 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 [2023-11-19 04:13:07,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:07,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:13:07,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:13:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:08,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:13:08,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:12,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 04:13:12,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:12,767 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:12,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175179930] [2023-11-19 04:13:12,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175179930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:12,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:12,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:13:12,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479324784] [2023-11-19 04:13:12,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:12,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:13:12,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:12,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:13:12,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:13:12,771 INFO L87 Difference]: Start difference. First operand 131 states and 198 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 04:13:15,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:17,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:19,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:21,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:21,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:21,775 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2023-11-19 04:13:21,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:13:21,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2023-11-19 04:13:21,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:21,817 INFO L225 Difference]: With dead ends: 244 [2023-11-19 04:13:21,817 INFO L226 Difference]: Without dead ends: 165 [2023-11-19 04:13:21,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:13:21,821 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 96 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:21,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 352 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 20 Invalid, 4 Unknown, 0 Unchecked, 8.9s Time] [2023-11-19 04:13:21,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-19 04:13:21,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 132. [2023-11-19 04:13:21,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 77 states have internal predecessors, (95), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-19 04:13:21,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 199 transitions. [2023-11-19 04:13:21,875 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 199 transitions. Word has length 173 [2023-11-19 04:13:21,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:21,877 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 199 transitions. [2023-11-19 04:13:21,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 04:13:21,879 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 199 transitions. [2023-11-19 04:13:21,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 04:13:21,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:21,889 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:21,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:13:22,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:13:22,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:22,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:22,114 INFO L85 PathProgramCache]: Analyzing trace with hash 7089575, now seen corresponding path program 1 times [2023-11-19 04:13:22,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:22,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835746545] [2023-11-19 04:13:22,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:22,115 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 [2023-11-19 04:13:22,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:22,117 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:13:22,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:13:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:22,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:13:22,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 04:13:24,293 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:24,294 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:24,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835746545] [2023-11-19 04:13:24,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1835746545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:24,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:24,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:13:24,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481907501] [2023-11-19 04:13:24,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:24,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:13:24,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:24,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:13:24,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:24,297 INFO L87 Difference]: Start difference. First operand 132 states and 199 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 04:13:26,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:26,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:26,495 INFO L93 Difference]: Finished difference Result 210 states and 318 transitions. [2023-11-19 04:13:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:13:26,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2023-11-19 04:13:26,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:26,499 INFO L225 Difference]: With dead ends: 210 [2023-11-19 04:13:26,499 INFO L226 Difference]: Without dead ends: 131 [2023-11-19 04:13:26,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:26,501 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:26,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 113 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-19 04:13:26,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-19 04:13:26,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2023-11-19 04:13:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 76 states have (on average 1.1710526315789473) internal successors, (89), 76 states have internal predecessors, (89), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-19 04:13:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 193 transitions. [2023-11-19 04:13:26,532 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 193 transitions. Word has length 173 [2023-11-19 04:13:26,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:26,533 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 193 transitions. [2023-11-19 04:13:26,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 04:13:26,533 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2023-11-19 04:13:26,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 04:13:26,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:26,536 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:26,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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)] Ended with exit code 0 [2023-11-19 04:13:26,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:13:26,749 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:26,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:26,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1013978779, now seen corresponding path program 1 times [2023-11-19 04:13:26,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:26,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567984742] [2023-11-19 04:13:26,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:26,751 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 [2023-11-19 04:13:26,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:26,752 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:13:26,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814fd8e3-a4eb-45d0-9c5b-9e58eb205f71/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:13:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:27,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:13:27,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:27,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 04:13:27,336 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:27,336 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:27,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567984742] [2023-11-19 04:13:27,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [567984742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:27,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:27,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:13:27,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512517341] [2023-11-19 04:13:27,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:27,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:13:27,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:27,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:13:27,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:27,339 INFO L87 Difference]: Start difference. First operand 131 states and 193 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)