./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91 --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 dfd4199778f3470f18ddded1b4acee60166184917bf25c1bba255dc5dd2abf98 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:20:36,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:20:36,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:20:36,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:20:36,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:20:37,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:20:37,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:20:37,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:20:37,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:20:37,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:20:37,036 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:20:37,038 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:20:37,038 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:20:37,040 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:20:37,041 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:20:37,041 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:20:37,041 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:20:37,042 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:20:37,042 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:20:37,043 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:20:37,045 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:20:37,045 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:20:37,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:20:37,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:20:37,047 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:20:37,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:20:37,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:20:37,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:20:37,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:20:37,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:20:37,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:20:37,051 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:20:37,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:20:37,052 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:20:37,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:20:37,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:20:37,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:20:37,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:37,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:20:37,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:20:37,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:20:37,055 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:20:37,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:20:37,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:20:37,056 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:20:37,056 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:20:37,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:20:37,057 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_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfd4199778f3470f18ddded1b4acee60166184917bf25c1bba255dc5dd2abf98 [2023-11-24 23:20:37,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:20:37,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:20:37,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:20:37,409 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:20:37,410 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:20:37,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i [2023-11-24 23:20:40,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:40,891 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:40,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i [2023-11-24 23:20:40,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/data/e6d12454c/f97be131a95a41938320a3be5e3b6704/FLAGb1578d5f4 [2023-11-24 23:20:40,925 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/data/e6d12454c/f97be131a95a41938320a3be5e3b6704 [2023-11-24 23:20:40,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:40,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:40,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:40,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:40,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:40,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:40" (1/1) ... [2023-11-24 23:20:40,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43207b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:40, skipping insertion in model container [2023-11-24 23:20:40,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:40" (1/1) ... [2023-11-24 23:20:40,992 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:20:41,162 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_eab00d08-234d-4a22-aff9-43c923057bc7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i[916,929] [2023-11-24 23:20:41,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:41,272 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:20:41,286 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_eab00d08-234d-4a22-aff9-43c923057bc7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i[916,929] [2023-11-24 23:20:41,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:41,395 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:20:41,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41 WrapperNode [2023-11-24 23:20:41,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:41,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:41,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:20:41,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:20:41,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41" (1/1) ... [2023-11-24 23:20:41,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41" (1/1) ... [2023-11-24 23:20:41,483 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204 [2023-11-24 23:20:41,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:41,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:20:41,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:20:41,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:20:41,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41" (1/1) ... [2023-11-24 23:20:41,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41" (1/1) ... [2023-11-24 23:20:41,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41" (1/1) ... [2023-11-24 23:20:41,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41" (1/1) ... [2023-11-24 23:20:41,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41" (1/1) ... [2023-11-24 23:20:41,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41" (1/1) ... [2023-11-24 23:20:41,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41" (1/1) ... [2023-11-24 23:20:41,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41" (1/1) ... [2023-11-24 23:20:41,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:20:41,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:20:41,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:20:41,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:20:41,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41" (1/1) ... [2023-11-24 23:20:41,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:41,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:41,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:20:41,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:20:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:20:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:20:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:20:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:20:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:20:41,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:20:41,780 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:20:41,784 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:20:42,444 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:20:42,909 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:20:42,909 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:20:42,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:42 BoogieIcfgContainer [2023-11-24 23:20:42,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:20:42,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:20:42,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:20:42,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:20:42,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:20:40" (1/3) ... [2023-11-24 23:20:42,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2ee267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:42, skipping insertion in model container [2023-11-24 23:20:42,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:41" (2/3) ... [2023-11-24 23:20:42,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2ee267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:42, skipping insertion in model container [2023-11-24 23:20:42,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:42" (3/3) ... [2023-11-24 23:20:42,921 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-39.i [2023-11-24 23:20:42,942 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:20:42,942 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:20:43,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:20:43,010 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;@766c2539, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:20:43,010 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:20:43,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:20:43,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 23:20:43,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:43,026 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:43,027 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:20:43,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:43,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1247300819, now seen corresponding path program 1 times [2023-11-24 23:20:43,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:43,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037966688] [2023-11-24 23:20:43,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:43,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:43,305 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:20:43,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021477145] [2023-11-24 23:20:43,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:43,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:20:43,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:43,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:20:43,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:20:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:20:44,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:20:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:20:44,906 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:20:44,908 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:20:44,910 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:20:44,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-24 23:20:45,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:20:45,132 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:20:45,135 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:20:45,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:20:45 BoogieIcfgContainer [2023-11-24 23:20:45,267 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:20:45,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:20:45,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:20:45,269 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:20:45,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:42" (3/4) ... [2023-11-24 23:20:45,272 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:20:45,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:20:45,275 INFO L158 Benchmark]: Toolchain (without parser) took 4345.01ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 92.1MB in the beginning and 107.4MB in the end (delta: -15.3MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2023-11-24 23:20:45,275 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:20:45,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.34ms. Allocated memory is still 138.4MB. Free memory was 91.8MB in the beginning and 74.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:20:45,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.69ms. Allocated memory is still 138.4MB. Free memory was 74.8MB in the beginning and 69.4MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:20:45,278 INFO L158 Benchmark]: Boogie Preprocessor took 58.78ms. Allocated memory is still 138.4MB. Free memory was 69.4MB in the beginning and 66.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:20:45,278 INFO L158 Benchmark]: RCFGBuilder took 1367.13ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 66.7MB in the beginning and 159.8MB in the end (delta: -93.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-24 23:20:45,279 INFO L158 Benchmark]: TraceAbstraction took 2354.23ms. Allocated memory is still 192.9MB. Free memory was 158.8MB in the beginning and 108.5MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-24 23:20:45,280 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 192.9MB. Free memory was 108.5MB in the beginning and 107.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:20:45,283 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.34ms. Allocated memory is still 138.4MB. Free memory was 91.8MB in the beginning and 74.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.69ms. Allocated memory is still 138.4MB. Free memory was 74.8MB in the beginning and 69.4MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.78ms. Allocated memory is still 138.4MB. Free memory was 69.4MB in the beginning and 66.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1367.13ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 66.7MB in the beginning and 159.8MB in the end (delta: -93.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2354.23ms. Allocated memory is still 192.9MB. Free memory was 158.8MB in the beginning and 108.5MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 192.9MB. Free memory was 108.5MB in the beginning and 107.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 139, overapproximation of shiftLeft at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryArithmeticFLOAToperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 200; [L23] unsigned short int var_1_4 = 8; [L24] unsigned short int var_1_5 = 5; [L25] unsigned long int var_1_6 = 256; [L26] float var_1_7 = 9999999999999.2; [L27] float var_1_8 = 499.5; [L28] float var_1_9 = 64.4; [L29] float var_1_10 = 0.5; [L30] float var_1_11 = 5.8; [L31] float var_1_12 = 16.75; [L32] float var_1_13 = 99.5; [L33] signed short int var_1_15 = -10; [L34] unsigned char var_1_17 = 0; [L35] unsigned long int var_1_19 = 2743323310; [L36] unsigned long int var_1_20 = 4162860161; [L37] unsigned char var_1_21 = 0; [L38] double var_1_22 = 99.7; [L39] unsigned long int var_1_23 = 8; [L40] unsigned char var_1_24 = 1; [L41] unsigned char var_1_25 = 128; [L42] unsigned char var_1_26 = 128; [L43] unsigned char var_1_27 = 32; [L44] unsigned char var_1_28 = 200; [L45] float var_1_29 = 16.1; [L46] float var_1_30 = 7.9; [L47] unsigned char var_1_31 = 0; [L48] unsigned char var_1_32 = 1; [L49] unsigned char var_1_33 = 8; [L50] signed short int last_1_var_1_15 = -10; [L51] double last_1_var_1_22 = 99.7; [L52] unsigned long int last_1_var_1_23 = 8; [L53] unsigned char last_1_var_1_24 = 1; [L54] unsigned char last_1_var_1_27 = 32; [L55] unsigned char last_1_var_1_31 = 0; [L200] isInitial = 1 [L201] FCALL initially() [L202] COND TRUE 1 [L203] CALL updateLastVariables() [L188] last_1_var_1_15 = var_1_15 [L189] last_1_var_1_22 = var_1_22 [L190] last_1_var_1_23 = var_1_23 [L191] last_1_var_1_24 = var_1_24 [L192] last_1_var_1_27 = var_1_27 [L193] last_1_var_1_31 = var_1_31 [L203] RET updateLastVariables() [L204] CALL updateVariables() [L147] var_1_4 = __VERIFIER_nondet_ushort() [L148] CALL assume_abort_if_not(var_1_4 >= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 >= 8) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L149] CALL assume_abort_if_not(var_1_4 <= 17) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_4 <= 17) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=5, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L150] var_1_5 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L152] CALL assume_abort_if_not(var_1_5 <= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_5 <= 8) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5, var_1_8=999/2, var_1_9=322/5] [L153] var_1_8 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5, var_1_9=322/5] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5, var_1_9=322/5] [L155] var_1_9 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_10=1/2, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L157] var_1_10 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=29/5, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L159] var_1_11 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_12=67/4, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L161] var_1_12 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_13=199/2, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L163] var_1_13 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=2743323310, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L165] var_1_19 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L167] CALL assume_abort_if_not(var_1_19 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_19 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4162860161, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L168] var_1_20 = __VERIFIER_nondet_ulong() [L169] CALL assume_abort_if_not(var_1_20 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_20 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L170] CALL assume_abort_if_not(var_1_20 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_20 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L171] var_1_21 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L173] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=128, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L174] var_1_25 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_25 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_25 >= 127) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L176] CALL assume_abort_if_not(var_1_25 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_25 <= 254) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=128, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L177] var_1_26 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_26 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_26 >= 127) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L179] CALL assume_abort_if_not(var_1_26 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_26 <= 254) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=200, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L180] var_1_28 = __VERIFIER_nondet_uchar() [L181] CALL assume_abort_if_not(var_1_28 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_28 >= 190) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L182] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L183] var_1_32 = __VERIFIER_nondet_uchar() [L184] CALL assume_abort_if_not(var_1_32 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_32 >= 1) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L185] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_15=-10, var_1_17=0, var_1_19=4294967295, var_1_1=200, var_1_20=4294967295, var_1_21=0, var_1_22=997/10, var_1_23=8, var_1_24=1, var_1_25=201, var_1_26=127, var_1_27=32, var_1_28=190, var_1_29=161/10, var_1_30=79/10, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=256, var_1_7=49999999999996/5] [L204] RET updateVariables() [L205] CALL step() [L59] COND TRUE (var_1_4 >= last_1_var_1_24) && (last_1_var_1_27 >= ((((var_1_5) < (last_1_var_1_24)) ? (var_1_5) : (last_1_var_1_24)))) [L60] var_1_6 = 200u [L62] COND FALSE !(\read(last_1_var_1_31)) [L73] var_1_17 = var_1_21 [L75] COND FALSE !(\read(var_1_17)) [L78] var_1_31 = (! 1) [L80] EXPR (last_1_var_1_23 * last_1_var_1_15) << (var_1_4 - var_1_5) [L80] unsigned long int stepLocal_0 = (last_1_var_1_23 * last_1_var_1_15) << (var_1_4 - var_1_5); [L81] COND FALSE !(stepLocal_0 <= -128) [L84] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L86] unsigned char stepLocal_4 = var_1_17; [L87] COND TRUE stepLocal_4 || (last_1_var_1_22 <= var_1_12) [L88] var_1_22 = ((((200.3) < (var_1_9)) ? (200.3) : (var_1_9))) [L92] signed long int stepLocal_6 = (((var_1_25) > (256)) ? (var_1_25) : (256)); [L93] COND TRUE var_1_5 <= stepLocal_6 [L94] var_1_27 = ((var_1_28 - var_1_4) - var_1_5) [L98] var_1_29 = (var_1_12 + ((((9.999999999999995E14f) > (var_1_13)) ? (9.999999999999995E14f) : (var_1_13)))) [L99] COND TRUE var_1_19 != 25u [L100] COND TRUE ! var_1_21 [L101] var_1_30 = var_1_8 [L106] COND FALSE !(\read(var_1_31)) [L111] signed long int stepLocal_5 = var_1_33 % var_1_4; [L112] COND TRUE stepLocal_5 > var_1_5 [L113] var_1_24 = (((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26))) - var_1_4) [L115] unsigned long int stepLocal_3 = var_1_6; [L116] signed long int stepLocal_2 = 128; [L117] COND FALSE !(var_1_1 > stepLocal_3) [L120] COND TRUE var_1_33 != stepLocal_2 [L121] var_1_15 = (var_1_5 - 1) [L126] COND FALSE !(((((var_1_1) < ((var_1_4 - var_1_5))) ? (var_1_1) : ((var_1_4 - var_1_5)))) > var_1_27) [L137] signed long int stepLocal_1 = var_1_33 + var_1_5; [L138] COND FALSE !(stepLocal_1 > var_1_24) [L141] COND TRUE ! var_1_31 [L142] var_1_7 = ((((var_1_11) > (var_1_13)) ? (var_1_11) : (var_1_13))) [L205] RET step() [L206] CALL, EXPR property() [L196] EXPR (last_1_var_1_23 * last_1_var_1_15) << (var_1_4 - var_1_5) [L196-L197] return (((((((((((((((last_1_var_1_23 * last_1_var_1_15) << (var_1_4 - var_1_5)) <= -128) ? (var_1_1 == ((unsigned char) (var_1_5 + var_1_4))) : (var_1_1 == ((unsigned char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && (((var_1_4 >= last_1_var_1_24) && (last_1_var_1_27 >= ((((var_1_5) < (last_1_var_1_24)) ? (var_1_5) : (last_1_var_1_24))))) ? (var_1_6 == ((unsigned long int) 200u)) : 1)) && (((var_1_33 + var_1_5) > var_1_24) ? (var_1_7 == ((float) (((((((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) - var_1_10)) > (((((var_1_11) > ((var_1_12 + var_1_13))) ? (var_1_11) : ((var_1_12 + var_1_13)))))) ? ((((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) - var_1_10)) : (((((var_1_11) > ((var_1_12 + var_1_13))) ? (var_1_11) : ((var_1_12 + var_1_13))))))))) : ((! var_1_31) ? (var_1_7 == ((float) ((((var_1_11) > (var_1_13)) ? (var_1_11) : (var_1_13))))) : 1))) && ((var_1_1 > var_1_6) ? (var_1_15 == ((signed short int) last_1_var_1_15)) : ((var_1_33 != 128) ? (var_1_15 == ((signed short int) (var_1_5 - 1))) : (var_1_15 == ((signed short int) var_1_27))))) && (last_1_var_1_31 ? (last_1_var_1_31 ? (((((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))) - ((((10u) > (var_1_5)) ? (10u) : (var_1_5)))) != var_1_4) ? (var_1_17 == ((unsigned char) 0)) : (var_1_17 == ((unsigned char) 0))) : (var_1_17 == ((unsigned char) var_1_21))) : (var_1_17 == ((unsigned char) var_1_21)))) && ((var_1_17 || (last_1_var_1_22 <= var_1_12)) ? (var_1_22 == ((double) ((((200.3) < (var_1_9)) ? (200.3) : (var_1_9))))) : (var_1_22 == ((double) (var_1_8 - var_1_9))))) && ((((((var_1_1) < ((var_1_4 - var_1_5))) ? (var_1_1) : ((var_1_4 - var_1_5)))) > var_1_27) ? (((5 * var_1_27) <= var_1_24) ? ((var_1_5 >= var_1_1) ? (var_1_23 == ((unsigned long int) var_1_24)) : (var_1_23 == ((unsigned long int) var_1_5))) : (var_1_23 == ((unsigned long int) var_1_4))) : 1)) && (((var_1_33 % var_1_4) > var_1_5) ? (var_1_24 == ((unsigned char) (((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26))) - var_1_4))) : 1)) && ((var_1_5 <= ((((var_1_25) > (256)) ? (var_1_25) : (256)))) ? (var_1_27 == ((unsigned char) ((var_1_28 - var_1_4) - var_1_5))) : (var_1_27 == ((unsigned char) (((((var_1_25) > (var_1_28)) ? (var_1_25) : (var_1_28))) - var_1_5))))) && (var_1_29 == ((float) (var_1_12 + ((((9.999999999999995E14f) > (var_1_13)) ? (9.999999999999995E14f) : (var_1_13))))))) && ((var_1_19 != 25u) ? ((! var_1_21) ? (var_1_30 == ((float) var_1_8)) : 1) : (var_1_30 == ((float) (var_1_10 - var_1_9))))) && (var_1_17 ? (var_1_31 == ((unsigned char) (! var_1_32))) : (var_1_31 == ((unsigned char) (! 1))))) && (var_1_31 ? (((var_1_6 / var_1_25) <= var_1_4) ? (var_1_33 == ((unsigned char) var_1_5)) : 1) : 1) ; [L206] RET, EXPR property() [L206] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=2, var_1_13=0, var_1_15=-1, var_1_17=0, var_1_19=4294967295, var_1_1=9, var_1_20=4294967295, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=192, var_1_25=201, var_1_26=127, var_1_27=181, var_1_28=190, var_1_30=3, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=200, var_1_7=2, var_1_8=3, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=-10, last_1_var_1_22=997/10, last_1_var_1_23=8, last_1_var_1_24=1, last_1_var_1_27=32, last_1_var_1_31=0, var_1_11=2, var_1_13=0, var_1_15=-1, var_1_17=0, var_1_19=4294967295, var_1_1=9, var_1_20=4294967295, var_1_21=0, var_1_22=2003/10, var_1_23=8, var_1_24=192, var_1_25=201, var_1_26=127, var_1_27=181, var_1_28=190, var_1_30=3, var_1_31=0, var_1_32=1, var_1_33=8, var_1_4=9, var_1_5=0, var_1_6=200, var_1_7=2, var_1_8=3, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 24, 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=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 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 [2023-11-24 23:20:45,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91 --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 dfd4199778f3470f18ddded1b4acee60166184917bf25c1bba255dc5dd2abf98 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:20:47,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:20:48,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:20:48,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:20:48,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:20:48,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:20:48,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:20:48,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:20:48,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:20:48,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:20:48,123 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:20:48,124 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:20:48,124 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:20:48,125 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:20:48,125 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:20:48,126 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:20:48,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:20:48,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:20:48,127 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:20:48,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:20:48,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:20:48,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:20:48,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:20:48,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:20:48,130 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:20:48,130 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:20:48,131 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:20:48,131 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:20:48,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:20:48,132 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:20:48,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:20:48,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:20:48,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:20:48,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:20:48,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:48,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:20:48,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:20:48,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:20:48,136 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:20:48,137 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:20:48,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:20:48,138 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:20:48,138 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:20:48,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:20:48,139 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_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfd4199778f3470f18ddded1b4acee60166184917bf25c1bba255dc5dd2abf98 [2023-11-24 23:20:48,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:20:48,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:20:48,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:20:48,569 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:20:48,569 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:20:48,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i [2023-11-24 23:20:51,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:51,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:51,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i [2023-11-24 23:20:51,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/data/115c5f51b/1e3adc5682724def81ce4dcf2352145e/FLAG0e3a2bbd6 [2023-11-24 23:20:51,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/data/115c5f51b/1e3adc5682724def81ce4dcf2352145e [2023-11-24 23:20:51,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:51,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:51,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:51,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:51,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:51,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:51" (1/1) ... [2023-11-24 23:20:51,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620f01bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:51, skipping insertion in model container [2023-11-24 23:20:51,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:51" (1/1) ... [2023-11-24 23:20:52,030 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:20:52,184 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_eab00d08-234d-4a22-aff9-43c923057bc7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i[916,929] [2023-11-24 23:20:52,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:52,287 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:20:52,302 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_eab00d08-234d-4a22-aff9-43c923057bc7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-39.i[916,929] [2023-11-24 23:20:52,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:52,403 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:20:52,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52 WrapperNode [2023-11-24 23:20:52,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:52,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:52,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:20:52,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:20:52,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52" (1/1) ... [2023-11-24 23:20:52,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52" (1/1) ... [2023-11-24 23:20:52,495 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 196 [2023-11-24 23:20:52,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:52,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:20:52,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:20:52,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:20:52,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52" (1/1) ... [2023-11-24 23:20:52,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52" (1/1) ... [2023-11-24 23:20:52,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52" (1/1) ... [2023-11-24 23:20:52,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52" (1/1) ... [2023-11-24 23:20:52,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52" (1/1) ... [2023-11-24 23:20:52,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52" (1/1) ... [2023-11-24 23:20:52,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52" (1/1) ... [2023-11-24 23:20:52,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52" (1/1) ... [2023-11-24 23:20:52,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:20:52,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:20:52,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:20:52,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:20:52,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52" (1/1) ... [2023-11-24 23:20:52,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:52,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:52,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:20:52,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:20:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:20:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:20:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:20:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:20:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:20:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:20:52,845 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:20:52,850 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:20:56,608 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:20:56,674 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:20:56,674 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:20:56,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:56 BoogieIcfgContainer [2023-11-24 23:20:56,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:20:56,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:20:56,678 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:20:56,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:20:56,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:20:51" (1/3) ... [2023-11-24 23:20:56,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef8de5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:56, skipping insertion in model container [2023-11-24 23:20:56,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:52" (2/3) ... [2023-11-24 23:20:56,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef8de5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:56, skipping insertion in model container [2023-11-24 23:20:56,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:56" (3/3) ... [2023-11-24 23:20:56,696 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-39.i [2023-11-24 23:20:56,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:20:56,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:20:56,789 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:20:56,798 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;@7c158b94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:20:56,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:20:56,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:20:56,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-24 23:20:56,820 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:56,821 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:56,822 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:20:56,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:56,827 INFO L85 PathProgramCache]: Analyzing trace with hash 199933563, now seen corresponding path program 1 times [2023-11-24 23:20:56,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:20:56,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254668242] [2023-11-24 23:20:56,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:56,846 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 [2023-11-24 23:20:56,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:20:56,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:20:56,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:20:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:57,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:20:57,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:20:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 526 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-11-24 23:20:57,608 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:20:57,612 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:20:57,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1254668242] [2023-11-24 23:20:57,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1254668242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:57,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:57,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:20:57,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869897551] [2023-11-24 23:20:57,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:57,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:20:57,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:20:57,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:20:57,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:20:57,677 INFO L87 Difference]: Start difference. First operand has 79 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-24 23:20:59,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:59,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:59,911 INFO L93 Difference]: Finished difference Result 155 states and 272 transitions. [2023-11-24 23:20:59,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:20:59,948 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 159 [2023-11-24 23:20:59,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:59,955 INFO L225 Difference]: With dead ends: 155 [2023-11-24 23:20:59,955 INFO L226 Difference]: Without dead ends: 77 [2023-11-24 23:20:59,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:20:59,966 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:59,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-24 23:20:59,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-24 23:21:00,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-24 23:21:00,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:21:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2023-11-24 23:21:00,025 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 159 [2023-11-24 23:21:00,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:00,026 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2023-11-24 23:21:00,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-24 23:21:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2023-11-24 23:21:00,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-24 23:21:00,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:00,032 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:00,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/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)] Ended with exit code 0 [2023-11-24 23:21:00,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:21:00,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:00,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:00,234 INFO L85 PathProgramCache]: Analyzing trace with hash 2091081159, now seen corresponding path program 1 times [2023-11-24 23:21:00,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:21:00,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634313698] [2023-11-24 23:21:00,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:00,236 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 [2023-11-24 23:21:00,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:21:00,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:21:00,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:21:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:00,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:21:00,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 533 proven. 24 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2023-11-24 23:21:01,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:21:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-24 23:21:01,717 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:21:01,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1634313698] [2023-11-24 23:21:01,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1634313698] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:21:01,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [979449420] [2023-11-24 23:21:01,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:01,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:21:01,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:21:01,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:21:01,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:21:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:03,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:21:03,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:03,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-24 23:21:03,968 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:21:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-24 23:21:04,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [979449420] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:21:04,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559473935] [2023-11-24 23:21:04,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:04,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:21:04,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:21:04,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:21:04,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-24 23:21:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:04,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:21:04,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-24 23:21:05,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:21:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-24 23:21:05,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559473935] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:21:05,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-24 23:21:05,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5, 5, 5, 5] total 12 [2023-11-24 23:21:05,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841139075] [2023-11-24 23:21:05,674 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-24 23:21:05,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-24 23:21:05,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:21:05,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-24 23:21:05,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:21:05,685 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (58), 3 states have call predecessors, (58), 6 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2023-11-24 23:21:08,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:10,937 WARN L539 Checker$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 [] [2023-11-24 23:21:12,949 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 [] [2023-11-24 23:21:12,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:12,954 INFO L93 Difference]: Finished difference Result 165 states and 249 transitions. [2023-11-24 23:21:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-24 23:21:12,995 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (58), 3 states have call predecessors, (58), 6 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) Word has length 159 [2023-11-24 23:21:12,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:12,998 INFO L225 Difference]: With dead ends: 165 [2023-11-24 23:21:12,998 INFO L226 Difference]: Without dead ends: 89 [2023-11-24 23:21:13,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 960 GetRequests, 938 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=170, Invalid=336, Unknown=0, NotChecked=0, Total=506 [2023-11-24 23:21:13,001 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 242 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 137 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:13,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 192 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 158 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2023-11-24 23:21:13,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-24 23:21:13,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 85. [2023-11-24 23:21:13,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 57 states have internal predecessors, (74), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:21:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions. [2023-11-24 23:21:13,022 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 122 transitions. Word has length 159 [2023-11-24 23:21:13,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:13,023 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 122 transitions. [2023-11-24 23:21:13,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (58), 3 states have call predecessors, (58), 6 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2023-11-24 23:21:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2023-11-24 23:21:13,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-24 23:21:13,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:13,027 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:13,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:21:13,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:21:13,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:21:13,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:21:13,651 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:13,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:13,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2088967664, now seen corresponding path program 1 times [2023-11-24 23:21:13,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:21:13,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068451691] [2023-11-24 23:21:13,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:13,653 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 [2023-11-24 23:21:13,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:21:13,654 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:21:13,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-24 23:21:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:14,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:21:14,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 219 proven. 123 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2023-11-24 23:21:16,397 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:21:17,132 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:21:17,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068451691] [2023-11-24 23:21:17,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068451691] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:21:17,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [777018714] [2023-11-24 23:21:17,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:17,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:21:17,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:21:17,137 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:21:17,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 23:21:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:19,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:21:19,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:21,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 219 proven. 123 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2023-11-24 23:21:21,316 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:21:22,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [777018714] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:21:22,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358738433] [2023-11-24 23:21:22,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:22,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:21:22,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:21:22,457 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:21:22,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab00d08-234d-4a22-aff9-43c923057bc7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-24 23:21:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:22,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:21:22,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 219 proven. 123 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2023-11-24 23:21:24,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:21:25,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358738433] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:21:25,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 23:21:25,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 11] total 13 [2023-11-24 23:21:25,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393414892] [2023-11-24 23:21:25,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 23:21:25,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-24 23:21:25,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:21:25,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-24 23:21:25,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2023-11-24 23:21:25,006 INFO L87 Difference]: Start difference. First operand 85 states and 122 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-24 23:21:29,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:31,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:33,984 WARN L539 Checker$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 [0]