./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-67.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_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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_4a721ad7-7ff7-4819-884c-d7e8541c6046/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 83ed3ec8bcd09c585992790b95e2966a76e5b0e36e2946c8579c171a77252508 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:12:02,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:12:02,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:12:02,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:12:02,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:12:02,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:12:02,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:12:02,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:12:02,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:12:02,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:12:02,828 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:12:02,829 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:12:02,829 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:12:02,831 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:12:02,832 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:12:02,832 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:12:02,833 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:12:02,833 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:12:02,834 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:12:02,834 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:12:02,835 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:12:02,836 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:12:02,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:12:02,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:12:02,838 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:12:02,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:12:02,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:12:02,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:12:02,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:12:02,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:12:02,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:12:02,843 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:12:02,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:12:02,844 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:12:02,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:12:02,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:12:02,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:02,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:12:02,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:12:02,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:12:02,846 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:12:02,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:12:02,847 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:12:02,847 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:12:02,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:12:02,848 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_4a721ad7-7ff7-4819-884c-d7e8541c6046/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83ed3ec8bcd09c585992790b95e2966a76e5b0e36e2946c8579c171a77252508 [2023-11-19 04:12:03,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:12:03,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:12:03,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:12:03,313 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:12:03,314 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:12:03,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-67.i [2023-11-19 04:12:06,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:12:06,809 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:12:06,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-67.i [2023-11-19 04:12:06,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/data/1f993f444/673dada2c4234711b88adeff08068f6f/FLAGd2d67bdda [2023-11-19 04:12:07,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/data/1f993f444/673dada2c4234711b88adeff08068f6f [2023-11-19 04:12:07,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:12:07,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:12:07,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:12:07,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:12:07,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:12:07,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425c6c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07, skipping insertion in model container [2023-11-19 04:12:07,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:12:07,352 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_4a721ad7-7ff7-4819-884c-d7e8541c6046/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-67.i[916,929] [2023-11-19 04:12:07,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:12:07,515 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:12:07,531 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_4a721ad7-7ff7-4819-884c-d7e8541c6046/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-67.i[916,929] [2023-11-19 04:12:07,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:12:07,687 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:12:07,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07 WrapperNode [2023-11-19 04:12:07,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:12:07,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:12:07,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:12:07,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:12:07,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,810 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 233 [2023-11-19 04:12:07,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:12:07,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:12:07,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:12:07,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:12:07,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:12:07,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:12:07,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:12:07,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:12:07,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07" (1/1) ... [2023-11-19 04:12:07,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:07,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:12:07,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:12:07,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:12:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:12:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:12:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:12:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:12:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:12:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:12:08,162 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:12:08,167 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:12:08,845 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:12:09,506 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:12:09,506 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:12:09,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:09 BoogieIcfgContainer [2023-11-19 04:12:09,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:12:09,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:12:09,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:12:09,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:12:09,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:12:07" (1/3) ... [2023-11-19 04:12:09,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6ef523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:12:09, skipping insertion in model container [2023-11-19 04:12:09,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:07" (2/3) ... [2023-11-19 04:12:09,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6ef523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:12:09, skipping insertion in model container [2023-11-19 04:12:09,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:09" (3/3) ... [2023-11-19 04:12:09,528 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-67.i [2023-11-19 04:12:09,549 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:12:09,550 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:12:09,624 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:12:09,632 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;@44df13ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:12:09,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:12:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 04:12:09,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-19 04:12:09,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:09,661 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:09,662 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:09,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:09,670 INFO L85 PathProgramCache]: Analyzing trace with hash -45347773, now seen corresponding path program 1 times [2023-11-19 04:12:09,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:12:09,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392133178] [2023-11-19 04:12:09,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:09,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:12:09,972 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:12:09,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1898632841] [2023-11-19 04:12:09,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:09,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:12:09,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:12:09,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:12:10,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:12:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:12:10,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:12:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:12:11,149 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:12:11,152 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:12:11,154 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:12:11,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:12:11,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:12:11,375 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:12:11,381 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:12:11,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:12:11 BoogieIcfgContainer [2023-11-19 04:12:11,555 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:12:11,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:12:11,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:12:11,556 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:12:11,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:09" (3/4) ... [2023-11-19 04:12:11,559 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:12:11,560 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:12:11,562 INFO L158 Benchmark]: Toolchain (without parser) took 4512.18ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 61.2MB in the end (delta: 70.0MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2023-11-19 04:12:11,562 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:12:11,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.39ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 114.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:12:11,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.19ms. Allocated memory is still 165.7MB. Free memory was 114.4MB in the beginning and 110.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:12:11,566 INFO L158 Benchmark]: Boogie Preprocessor took 62.47ms. Allocated memory is still 165.7MB. Free memory was 110.3MB in the beginning and 107.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:12:11,569 INFO L158 Benchmark]: RCFGBuilder took 1637.90ms. Allocated memory is still 165.7MB. Free memory was 107.6MB in the beginning and 125.1MB in the end (delta: -17.5MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2023-11-19 04:12:11,570 INFO L158 Benchmark]: TraceAbstraction took 2038.27ms. Allocated memory is still 165.7MB. Free memory was 124.1MB in the beginning and 61.2MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-19 04:12:11,572 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 165.7MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:12:11,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 637.39ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 114.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.19ms. Allocated memory is still 165.7MB. Free memory was 114.4MB in the beginning and 110.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.47ms. Allocated memory is still 165.7MB. Free memory was 110.3MB in the beginning and 107.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1637.90ms. Allocated memory is still 165.7MB. Free memory was 107.6MB in the beginning and 125.1MB in the end (delta: -17.5MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2038.27ms. Allocated memory is still 165.7MB. Free memory was 124.1MB in the beginning and 61.2MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 165.7MB. Free memory is still 61.2MB. 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 209, overapproximation of bitwiseAnd at line 62, overapproximation of someBinaryArithmeticDOUBLEoperation at line 140, overapproximation of someUnaryDOUBLEoperation at line 143, overapproximation of someBinaryDOUBLEComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed char var_1_6 = -2; [L24] signed char var_1_7 = 2; [L25] double var_1_8 = 16.25; [L26] double var_1_9 = 31.5; [L27] double var_1_10 = 127.9; [L28] double var_1_11 = 15.9; [L29] double var_1_12 = 64.75; [L30] unsigned long int var_1_13 = 0; [L31] unsigned char var_1_14 = 1; [L32] unsigned short int var_1_15 = 2; [L33] unsigned short int var_1_16 = 25; [L34] unsigned short int var_1_17 = 1; [L35] unsigned long int var_1_18 = 50; [L36] unsigned char var_1_19 = 1; [L37] unsigned short int var_1_20 = 10; [L38] unsigned short int var_1_21 = 10; [L39] float var_1_22 = 15.1; [L40] unsigned long int var_1_23 = 3874754763; [L41] signed long int var_1_24 = -16; [L42] signed char var_1_25 = -10; [L43] signed char var_1_26 = -8; [L44] signed char var_1_27 = 100; [L45] signed char var_1_28 = 0; [L46] unsigned char var_1_29 = 1; [L47] unsigned char var_1_30 = 0; [L48] unsigned long int var_1_31 = 256; [L49] signed short int var_1_32 = 32; [L50] unsigned long int var_1_33 = 3617747482; [L51] unsigned long int var_1_34 = 100; [L52] double last_1_var_1_8 = 16.25; [L53] unsigned long int last_1_var_1_13 = 0; [L54] unsigned short int last_1_var_1_15 = 2; [L55] signed long int last_1_var_1_24 = -16; [L56] signed char last_1_var_1_25 = -10; [L57] unsigned long int last_1_var_1_31 = 256; [L58] unsigned long int last_1_var_1_34 = 100; [L213] isInitial = 1 [L214] FCALL initially() [L215] COND TRUE 1 [L216] CALL updateLastVariables() [L200] last_1_var_1_8 = var_1_8 [L201] last_1_var_1_13 = var_1_13 [L202] last_1_var_1_15 = var_1_15 [L203] last_1_var_1_24 = var_1_24 [L204] last_1_var_1_25 = var_1_25 [L205] last_1_var_1_31 = var_1_31 [L206] last_1_var_1_34 = var_1_34 [L216] RET updateLastVariables() [L217] CALL updateVariables() [L150] var_1_7 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=1279/10, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=63/2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=1279/10, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=63/2] [L152] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=1279/10, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=63/2] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=1279/10, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=63/2] [L153] var_1_9 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=1279/10, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=1279/10, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L155] var_1_10 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L157] var_1_11 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L159] var_1_12 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L161] var_1_14 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L163] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L164] var_1_16 = __VERIFIER_nondet_ushort() [L165] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L166] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L167] var_1_17 = __VERIFIER_nondet_ushort() [L168] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L169] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L170] var_1_19 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L172] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L173] var_1_21 = __VERIFIER_nondet_ushort() [L174] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L175] CALL assume_abort_if_not(var_1_21 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_21 <= 65534) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L176] var_1_23 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L178] CALL assume_abort_if_not(var_1_23 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_23 <= 4294967295) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L179] var_1_26 = __VERIFIER_nondet_char() [L180] CALL assume_abort_if_not(var_1_26 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_26 >= -126) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L181] CALL assume_abort_if_not(var_1_26 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_26 <= 126) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L182] var_1_27 = __VERIFIER_nondet_char() [L183] CALL assume_abort_if_not(var_1_27 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_27 >= -127) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L184] CALL assume_abort_if_not(var_1_27 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_27 <= 126) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L185] var_1_28 = __VERIFIER_nondet_char() [L186] CALL assume_abort_if_not(var_1_28 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_28 >= -1) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L187] CALL assume_abort_if_not(var_1_28 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_28 <= 126) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L188] var_1_30 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L190] CALL assume_abort_if_not(var_1_30 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_30 <= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L191] var_1_32 = __VERIFIER_nondet_short() [L192] CALL assume_abort_if_not(var_1_32 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=2, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_32 >= -32768) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=2, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L193] CALL assume_abort_if_not(var_1_32 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=2, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_32 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=2, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L194] CALL assume_abort_if_not(var_1_32 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=2, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_32 != 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=2, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L195] var_1_33 = __VERIFIER_nondet_ulong() [L196] CALL assume_abort_if_not(var_1_33 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=2, var_1_33=2147483647, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_33 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=2, var_1_33=2147483647, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L197] CALL assume_abort_if_not(var_1_33 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=2, var_1_33=2147483647, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L20] COND FALSE !(!cond) [L197] RET assume_abort_if_not(var_1_33 <= 4294967294) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=24, var_1_17=23, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=2, var_1_33=2147483647, var_1_34=100, var_1_6=-2, var_1_7=-127, var_1_8=65/4, var_1_9=2] [L217] RET updateVariables() [L218] CALL step() [L62] EXPR last_1_var_1_31 & last_1_var_1_24 [L62] COND FALSE !((last_1_var_1_31 & last_1_var_1_24) <= last_1_var_1_34) [L65] unsigned long int stepLocal_2 = last_1_var_1_13; [L66] COND TRUE last_1_var_1_15 >= stepLocal_2 [L67] COND FALSE !(((var_1_9 + 63.35f) + last_1_var_1_8) >= var_1_12) [L70] var_1_15 = var_1_17 [L75] unsigned long int stepLocal_5 = var_1_16 - last_1_var_1_31; [L76] COND FALSE !(! var_1_19) [L79] COND FALSE !(128 > stepLocal_5) [L83] COND FALSE !(((((var_1_17) < (var_1_23)) ? (var_1_17) : (var_1_23))) > var_1_33) [L90] COND TRUE \read(var_1_29) [L91] COND TRUE \read(var_1_29) [L92] var_1_20 = (((((var_1_16 + var_1_17)) < (var_1_21)) ? ((var_1_16 + var_1_17)) : (var_1_21))) [L95] var_1_6 = var_1_7 [L96] COND FALSE !(var_1_15 >= (- (var_1_23 - var_1_17))) [L101] unsigned char stepLocal_3 = var_1_29; [L102] COND FALSE !(var_1_11 >= var_1_10) [L109] var_1_18 = var_1_20 [L111] COND TRUE ! (! var_1_29) [L112] var_1_25 = ((((((((var_1_7) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_7) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))))) < (var_1_27)) ? (((((var_1_7) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_7) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))))) : (var_1_27))) [L118] unsigned char stepLocal_6 = (var_1_28 / var_1_32) >= var_1_7; [L119] COND TRUE var_1_29 && stepLocal_6 [L120] COND TRUE \read(var_1_29) [L121] COND FALSE !(var_1_10 > var_1_12) [L124] var_1_31 = (var_1_18 + var_1_16) [L130] COND TRUE \read(var_1_29) [L131] var_1_13 = var_1_31 [L133] unsigned long int stepLocal_4 = (((((((var_1_1) > (var_1_34)) ? (var_1_1) : (var_1_34)))) > ((var_1_25 * var_1_25))) ? (((((var_1_1) > (var_1_34)) ? (var_1_1) : (var_1_34)))) : ((var_1_25 * var_1_25))); [L134] COND TRUE stepLocal_4 <= (var_1_15 - ((((var_1_21) < (var_1_16)) ? (var_1_21) : (var_1_16)))) [L135] var_1_24 = (((((var_1_13 + var_1_7)) > (var_1_25)) ? ((var_1_13 + var_1_7)) : (var_1_25))) [L137] signed long int stepLocal_1 = var_1_15 + var_1_20; [L138] signed long int stepLocal_0 = var_1_24; [L139] COND FALSE !(var_1_15 == stepLocal_0) [L142] COND TRUE var_1_1 <= stepLocal_1 [L143] var_1_8 = (((((var_1_11 + var_1_12) + 1.00000005E7) < 0 ) ? -((var_1_11 + var_1_12) + 1.00000005E7) : ((var_1_11 + var_1_12) + 1.00000005E7))) [L218] RET step() [L219] CALL, EXPR property() [L209] EXPR last_1_var_1_31 & last_1_var_1_24 [L209-L210] return ((((((((((((((last_1_var_1_31 & last_1_var_1_24) <= last_1_var_1_34) ? (var_1_1 == ((signed short int) last_1_var_1_25)) : 1) && (var_1_6 == ((signed char) var_1_7))) && ((var_1_15 == var_1_24) ? (var_1_8 == ((double) (var_1_9 + var_1_10))) : ((var_1_1 <= (var_1_15 + var_1_20)) ? (var_1_8 == ((double) (((((var_1_11 + var_1_12) + 1.00000005E7) < 0 ) ? -((var_1_11 + var_1_12) + 1.00000005E7) : ((var_1_11 + var_1_12) + 1.00000005E7))))) : (var_1_8 == ((double) ((var_1_12 + var_1_11) + var_1_9)))))) && (var_1_29 ? (var_1_13 == ((unsigned long int) var_1_31)) : 1)) && ((last_1_var_1_15 >= last_1_var_1_13) ? ((((var_1_9 + 63.35f) + last_1_var_1_8) >= var_1_12) ? (var_1_15 == ((unsigned short int) (var_1_16 + var_1_17))) : (var_1_15 == ((unsigned short int) var_1_17))) : (var_1_15 == ((unsigned short int) 1000)))) && ((var_1_11 >= var_1_10) ? ((var_1_29 || var_1_29) ? ((((((var_1_22) > (var_1_11)) ? (var_1_22) : (var_1_11))) <= var_1_10) ? (var_1_18 == ((unsigned long int) 25u)) : 1) : 1) : (var_1_18 == ((unsigned long int) var_1_20)))) && (var_1_29 ? (var_1_29 ? (var_1_20 == ((unsigned short int) (((((var_1_16 + var_1_17)) < (var_1_21)) ? ((var_1_16 + var_1_17)) : (var_1_21))))) : 1) : 1)) && ((var_1_15 >= (- (var_1_23 - var_1_17))) ? (var_1_29 ? (var_1_22 == ((float) var_1_9)) : 1) : 1)) && ((((((((((var_1_1) > (var_1_34)) ? (var_1_1) : (var_1_34)))) > ((var_1_25 * var_1_25))) ? (((((var_1_1) > (var_1_34)) ? (var_1_1) : (var_1_34)))) : ((var_1_25 * var_1_25)))) <= (var_1_15 - ((((var_1_21) < (var_1_16)) ? (var_1_21) : (var_1_16))))) ? (var_1_24 == ((signed long int) (((((var_1_13 + var_1_7)) > (var_1_25)) ? ((var_1_13 + var_1_7)) : (var_1_25))))) : 1)) && ((! (! var_1_29)) ? (var_1_25 == ((signed char) ((((((((var_1_7) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_7) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))))) < (var_1_27)) ? (((((var_1_7) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_7) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))))) : (var_1_27))))) : ((var_1_17 <= var_1_18) ? (var_1_25 == ((signed char) (var_1_28 - 4))) : 1))) && ((! var_1_19) ? (var_1_29 == ((unsigned char) (var_1_19 && var_1_30))) : ((128 > (var_1_16 - last_1_var_1_31)) ? (var_1_29 == ((unsigned char) (var_1_14 && var_1_30))) : 1))) && ((var_1_29 && ((var_1_28 / var_1_32) >= var_1_7)) ? (var_1_29 ? ((var_1_10 > var_1_12) ? (var_1_31 == ((unsigned long int) (((((var_1_33 - var_1_34)) > (0u)) ? ((var_1_33 - var_1_34)) : (0u))))) : (var_1_31 == ((unsigned long int) (var_1_18 + var_1_16)))) : (var_1_31 == ((unsigned long int) ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))))) : 1)) && ((((((var_1_17) < (var_1_23)) ? (var_1_17) : (var_1_23))) > var_1_33) ? (var_1_30 ? (var_1_29 ? (var_1_34 == ((unsigned long int) var_1_21)) : 1) : 1) : 1) ; [L219] RET, EXPR property() [L219] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=48, var_1_14=1, var_1_15=23, var_1_16=24, var_1_17=23, var_1_18=24, var_1_19=1, var_1_1=2, var_1_20=24, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-79, var_1_25=0, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=48, var_1_32=2, var_1_33=2147483647, var_1_34=100, var_1_6=-127, var_1_7=-127, var_1_8=6, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=48, var_1_14=1, var_1_15=23, var_1_16=24, var_1_17=23, var_1_18=24, var_1_19=1, var_1_1=2, var_1_20=24, var_1_21=24, var_1_22=151/10, var_1_23=4294967295, var_1_24=-79, var_1_25=0, var_1_26=126, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=48, var_1_32=2, var_1_33=2147483647, var_1_34=100, var_1_6=-127, var_1_7=-127, var_1_8=6, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:12:11,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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_4a721ad7-7ff7-4819-884c-d7e8541c6046/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 83ed3ec8bcd09c585992790b95e2966a76e5b0e36e2946c8579c171a77252508 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:12:14,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:12:14,878 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:12:14,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:12:14,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:12:14,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:12:14,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:12:14,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:12:14,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:12:14,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:12:14,951 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:12:14,952 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:12:14,953 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:12:14,955 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:12:14,955 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:12:14,956 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:12:14,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:12:14,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:12:14,959 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:12:14,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:12:14,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:12:14,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:12:14,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:12:14,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:12:14,962 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:12:14,962 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:12:14,963 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:12:14,963 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:12:14,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:12:14,964 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:12:14,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:12:14,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:12:14,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:12:14,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:14,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:12:14,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:12:14,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:12:14,969 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:12:14,969 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:12:14,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:12:14,971 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:12:14,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:12:14,972 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_4a721ad7-7ff7-4819-884c-d7e8541c6046/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83ed3ec8bcd09c585992790b95e2966a76e5b0e36e2946c8579c171a77252508 [2023-11-19 04:12:15,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:12:15,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:12:15,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:12:15,486 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:12:15,487 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:12:15,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-67.i [2023-11-19 04:12:18,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:12:19,094 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:12:19,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-67.i [2023-11-19 04:12:19,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/data/3b1ca693c/2f618f257568493f8c29818ff6cb7b26/FLAG06cfd5760 [2023-11-19 04:12:19,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/data/3b1ca693c/2f618f257568493f8c29818ff6cb7b26 [2023-11-19 04:12:19,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:12:19,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:12:19,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:12:19,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:12:19,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:12:19,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5606ab3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19, skipping insertion in model container [2023-11-19 04:12:19,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,199 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:12:19,447 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_4a721ad7-7ff7-4819-884c-d7e8541c6046/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-67.i[916,929] [2023-11-19 04:12:19,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:12:19,627 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:12:19,647 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_4a721ad7-7ff7-4819-884c-d7e8541c6046/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-67.i[916,929] [2023-11-19 04:12:19,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:12:19,757 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:12:19,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19 WrapperNode [2023-11-19 04:12:19,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:12:19,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:12:19,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:12:19,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:12:19,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,825 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2023-11-19 04:12:19,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:12:19,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:12:19,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:12:19,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:12:19,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,867 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:12:19,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:12:19,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:12:19,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:12:19,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19" (1/1) ... [2023-11-19 04:12:19,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:19,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:12:19,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:12:19,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:12:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:12:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:12:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:12:19,969 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:12:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:12:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:12:20,135 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:12:20,138 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:12:26,295 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:12:26,314 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:12:26,314 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:12:26,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:26 BoogieIcfgContainer [2023-11-19 04:12:26,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:12:26,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:12:26,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:12:26,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:12:26,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:12:19" (1/3) ... [2023-11-19 04:12:26,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741f7539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:12:26, skipping insertion in model container [2023-11-19 04:12:26,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:19" (2/3) ... [2023-11-19 04:12:26,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741f7539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:12:26, skipping insertion in model container [2023-11-19 04:12:26,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:26" (3/3) ... [2023-11-19 04:12:26,341 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-67.i [2023-11-19 04:12:26,368 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:12:26,368 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:12:26,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:12:26,474 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;@23a53e15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:12:26,475 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:12:26,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 64 states have (on average 1.453125) internal successors, (93), 65 states have internal predecessors, (93), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 04:12:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 04:12:26,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:26,508 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:26,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:26,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:26,518 INFO L85 PathProgramCache]: Analyzing trace with hash 626325745, now seen corresponding path program 1 times [2023-11-19 04:12:26,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:26,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306713929] [2023-11-19 04:12:26,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:26,544 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 04:12:26,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:26,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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 04:12:26,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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 04:12:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:27,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:12:27,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked. [2023-11-19 04:12:27,921 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:27,922 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:27,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306713929] [2023-11-19 04:12:27,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306713929] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:27,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:27,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:12:27,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277545832] [2023-11-19 04:12:27,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:27,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:12:27,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:27,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:12:27,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:12:27,975 INFO L87 Difference]: Start difference. First operand has 98 states, 64 states have (on average 1.453125) internal successors, (93), 65 states have internal predecessors, (93), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 04:12:28,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:28,030 INFO L93 Difference]: Finished difference Result 189 states and 335 transitions. [2023-11-19 04:12:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:12:28,033 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 200 [2023-11-19 04:12:28,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:28,044 INFO L225 Difference]: With dead ends: 189 [2023-11-19 04:12:28,044 INFO L226 Difference]: Without dead ends: 94 [2023-11-19 04:12:28,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:12:28,054 INFO L413 NwaCegarLoop]: 148 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, 148 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 04:12:28,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:12:28,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-19 04:12:28,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-11-19 04:12:28,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 61 states have internal predecessors, (86), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 04:12:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 148 transitions. [2023-11-19 04:12:28,124 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 148 transitions. Word has length 200 [2023-11-19 04:12:28,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:28,125 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 148 transitions. [2023-11-19 04:12:28,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 04:12:28,125 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 148 transitions. [2023-11-19 04:12:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 04:12:28,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:28,133 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:28,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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 04:12:28,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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 04:12:28,353 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:28,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:28,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1606647961, now seen corresponding path program 1 times [2023-11-19 04:12:28,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:28,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121012841] [2023-11-19 04:12:28,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:28,357 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 04:12:28,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:28,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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 04:12:28,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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 04:12:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:29,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:12:29,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:35,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 04:12:35,892 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:35,892 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:35,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121012841] [2023-11-19 04:12:35,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2121012841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:35,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:35,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:12:35,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971795139] [2023-11-19 04:12:35,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:35,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:12:35,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:35,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:12:35,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:12:35,899 INFO L87 Difference]: Start difference. First operand 94 states and 148 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 04:12:38,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:12:40,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:12:42,777 WARN L539 Checker$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 04:12:45,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:12:47,172 WARN L539 Checker$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 04:12:47,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:47,173 INFO L93 Difference]: Finished difference Result 304 states and 482 transitions. [2023-11-19 04:12:47,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:12:47,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-19 04:12:47,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:47,248 INFO L225 Difference]: With dead ends: 304 [2023-11-19 04:12:47,248 INFO L226 Difference]: Without dead ends: 213 [2023-11-19 04:12:47,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 197 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 04:12:47,251 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 171 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 63 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:47,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 426 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 20 Invalid, 5 Unknown, 0 Unchecked, 11.1s Time] [2023-11-19 04:12:47,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-11-19 04:12:47,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 181. [2023-11-19 04:12:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 116 states have (on average 1.4051724137931034) internal successors, (163), 116 states have internal predecessors, (163), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 04:12:47,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 287 transitions. [2023-11-19 04:12:47,306 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 287 transitions. Word has length 200 [2023-11-19 04:12:47,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:47,308 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 287 transitions. [2023-11-19 04:12:47,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 04:12:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 287 transitions. [2023-11-19 04:12:47,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 04:12:47,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:47,313 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:47,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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 04:12:47,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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 04:12:47,538 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:47,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:47,539 INFO L85 PathProgramCache]: Analyzing trace with hash 882881001, now seen corresponding path program 1 times [2023-11-19 04:12:47,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:47,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60170001] [2023-11-19 04:12:47,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:47,540 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 04:12:47,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:47,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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 04:12:47,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a721ad7-7ff7-4819-884c-d7e8541c6046/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 04:12:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:48,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:12:48,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:50,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 04:12:50,343 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:50,344 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:50,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60170001] [2023-11-19 04:12:50,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60170001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:50,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:50,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:12:50,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171580644] [2023-11-19 04:12:50,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:50,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:12:50,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:50,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:12:50,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:12:50,350 INFO L87 Difference]: Start difference. First operand 181 states and 287 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 04:12:53,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:12:55,017 WARN L539 Checker$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 04:12:57,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:12:59,025 WARN L539 Checker$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 04:13:01,032 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 []